numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review

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numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review: The Korean Glow Toner That Does It All

By Kathijo Skincare | Updated October 2026 | 8 min read

numbuzin No.9 NAD+ Salmon PDRN Toner, Glass Skin Hydrating Toner with Peptides & Niacinamide, Instant Plumping, Firming & Anti-Aging Korean Skincare, 5.07 fl oz

Included for 'numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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The toner step is often where Korean skincare routines do their heaviest lifting — and the numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner might be one of the most ambitious toner formulas on the market. It packs two of K-beauty’s most sophisticated anti-aging actives — NAD+ and PDRN (salmon DNA) — into a single toning step, aimed at glass-skin radiance and a more resilient-looking complexion.

Here is a research-based look at the ingredient list and the published product information.

numbuzin No.9 Toner at a Glance

Formulas vary by batch and region. Confirm the ingredient list printed on your own bottle before use.

About numbuzin

numbuzin is a Korean skincare brand with a numbered product line. The brand has built a devoted following through their numbered product line, each number representing a distinct skin concern with a targeted formula. Each number is a separate product, so check the label to confirm you are buying the right one.

Why NAD+ and PDRN Together?

Here is how the two headline ingredients are positioned:

• PDRN (Polydeoxyribonucleotide): A salmon-derived ingredient marketed for skin resilience; evidence for topical use is still limited.
• NAD+ (Nicotinamide Adenine Dinucleotide): A coenzyme involved in cell metabolism; evidence for what topical NAD+ does on skin is still limited.

Brands pair them to position the toner as a well-rounded anti-aging step. Treat this as marketing positioning rather than proven synergy.

Full Ingredients Breakdown

Salmon PDRN

A salmon-derived DNA fragment ingredient that is also discussed in clinic-based treatments. In a toner it works at the skin surface, and the brand positions it for texture and the look of fine lines.

NAD+ (Nicotinamide Adenine Dinucleotide)

A coenzyme ingredient positioned for skin resilience. It does not replace sunscreen, so keep using SPF.

Niacinamide

Niacinamide is a well-studied ingredient for uneven tone and the look of pores, and it sits high in the ingredient list. The maker does not publish an exact percentage, so check the label.

Soothing Botanicals

Check the full ingredient list on the box for the exact botanical extracts, since formulas can be updated between batches.

Fermented Ingredients

The published ingredient list shows a Candida bombicola / glucose / methyl rapeseedate ferment, a fermented ingredient used for skin conditioning.

Hydrating Ingredients

Check the label for the exact humectants used; hydrating ingredients suit a toner that is layered before serums and moisturizers.

What Does the numbuzin NAD+ PDRN Glow Booster Toner Do?

In plain terms, this toner is built to hydrate, add a soft glow and prepare skin for the serum, essence and moisturizer that follow. The maker positions it for all skin types and recommends following it with the No.9 Essence. Its job in a routine is to supply water-binding ingredients (glycerin, glycols and sugar-derived humectants), a vitamin B3 derivative (niacinamide), a barrier lipid (ceramide NP) and a long list of peptides. The cosmetic effects you can reasonably expect are a smoother, more hydrated feel and a lit-from-within finish. The “cellular regeneration” language on some pages is marketing, not a medical result.

Verified Ingredient Highlights From the INCI List

Ingredient order tells you which components are present in larger amounts. Based on the INCI list published by retailers and ingredient databases, the opening of the formula reads: water, methylpropanediol, niacinamide, PEG/PPG-17/6 copolymer, propanediol, 1,2-hexanediol, tripropylene glycol, glyceryl glucoside, xylitylglucoside, and so on. Notable points:

• Niacinamide sits third. That suggests a meaningful amount, but the maker does not publish a percentage in the toner, so treat any exact figure as unconfirmed.
• Sodium DNA is the PDRN. It appears around position 19, and the maker states 1,000 ppm (0.1%) salmon PDRN.
• NAD (nicotinamide adenine dinucleotide) appears further down the list, so it is likely present in a small amount.
• Ceramide NP supports the skin’s lipid barrier. It appears in the first half of the list.
• Peptides. The maker advertises 50 peptides, which means each one is likely a small share of the formula.
• Cyanocobalamin (vitamin B12) gives the toner its violet tint.
• Fragrance: none listed. The list does include cetearyl alcohol (a fatty alcohol) and t-butyl alcohol, so “alcohol-free” can only mean no drying ethanol; read the label if this matters to you.
• Salmon-derived: sodium DNA comes from salmon, so the toner is not vegan. People with a fish allergy should speak with a doctor before using it.

Salmon PDRN Toner Review: What Does the Evidence Say?

PDRN (polydeoxyribonucleotide) is a DNA fragment that is used in injectable treatments performed by clinicians. That clinical use is not the same as a toner. Skincare reviewers who have looked at the science note that topical PDRN at 0.1% is far below injectable doses, and that studies showing benefits for cosmetic toners are limited. The same caution applies to NAD+, where delivery through the skin from a cosmetic is not well established.

What is better supported in this formula are the basics: niacinamide for tone and barrier support, ceramide NP for the skin’s lipid layer, and glycerin and other humectants for hydration. For that reason, our recommendation is to buy it because you want a pleasant, hydrating glow toner at a budget price, not because you expect injectable-style results.

What about the peptides?

Peptide blends can be a useful add-on for skin feel and hydration, but most individual peptides in a 50-peptide list will be present at very low levels. We would not judge the toner by the peptide count.

Texture, Scent and Feel on Skin

The toner is a clear, slightly viscous watery liquid — thicker than water but not at all gel-like. It pours easily, spreads beautifully with cotton pad or hands, and absorbs within seconds without tackiness.

There is a very faint, clean cosmetic scent that dissipates almost immediately. Fragrance-sensitive users should patch-test, but most find it non-irritating. The ingredient list includes fatty alcohols, so check the label if you avoid alcohols.

Ingredient-by-Ingredient: What Each Does and How Strong the Evidence Is

Read the table as a map of what to expect: reliable hydration and barrier support first, ambitious “repair” ingredients second.

Myth vs. Reality: Salmon PDRN and NAD+ in a Toner

• Myth: Topical PDRN works like PDRN injections. Reality: clinic treatments deliver the ingredient into the skin under medical supervision; a toner works on the surface and at a much lower dose.
• Myth: More peptides mean stronger anti-aging results. Reality: in a long list, each peptide is usually present in tiny amounts.
• Myth: The violet color means a stronger formula. Reality: the color comes from vitamin B12, which is added for tint.
• Myth: A toner can replace a serum. Reality: toners are hydrating prep steps; serums usually carry higher levels of targeted actives.
• Myth: Glow means the skin is repairing itself. Reality: glow can come from simple hydration and light-reflecting finish.

How to Use It: Layering Techniques for Glass Skin

The toner step is the foundation of K-beauty hydration layering. Here are two proven methods:

Method 1: Cotton Pad

1. Soak a cotton pad until fully saturated
2. Swipe gently across face in upward strokes
3. Gently press the saturated pad against the skin for 10–15 seconds (essence-pad technique)
4. Proceed to serum

Method 2: Hands (7-Skin Method)

1. Pour a 50-cent coin amount into palms
2. Press and pat into skin — do not rub
3. Repeat 3–7 times, allowing each layer to absorb
4. Skin will feel intensely plump and dewy after multiple layers

For a complete glass-skin routine, pair with:

• REJURAN Turnover Ampoule (serum step)
• A ceramide moisturizer to seal
• Korean mineral SPF

What to Expect

Results vary by skin type. A hydrating toner can make skin feel softer within days, while changes in tone and texture, if any, usually take several weeks of consistent use. Patch-test first and pair the toner with daily SPF.

Pros and Cons

Using numbuzin No.9 Toner With Retinol, Vitamin C, Acids and Other Niacinamide

A hydrating toner is usually the easiest product to combine, but a few common questions come up. These are general guidelines, not medical advice. If you have a skin condition, ask a dermatologist.

With retinol or retinal

Apply the toner first on clean skin, let it absorb, then use your retinoid and moisturizer. Hydrating toners can make retinoid nights feel more comfortable for some people. Skip the toner or reduce frequency if skin feels irritated, and always wear sunscreen in the morning.

With vitamin C

Vitamin C serums are often used in the morning. Apply the toner first, then the vitamin C serum, then moisturizer and sunscreen. If the combination stings, separate them: toner morning and night, vitamin C only in the morning or on alternate days.

With AHA, BHA or other exfoliants

Exfoliating acids can leave skin more sensitive. On exfoliation nights, a hydrating toner is a gentle way to restore comfort afterward, but avoid scrubbing with a cotton pad on freshly exfoliated skin.

With other niacinamide products

This toner already places niacinamide third on the list. Stacking it with high-percentage niacinamide serums and moisturizers can increase the chance of flushing or tingling in sensitive people. Add them one at a time, and reduce use if your skin reacts. There is no universal “safe total” number that applies to everyone, so go by your own skin response.

With other PDRN, NAD+ or peptide products

You do not need to stack several PDRN or NAD+ products. Doing so increases the number of possible irritants without a proven added benefit. A single PDRN or NAD+ product within a simple routine is a reasonable approach.

Troubleshooting: Tackiness, Pilling, Tingling and Breakouts

• Tacky feel after application: use a smaller amount per layer and wait a minute before the next step. Several reviewers mention slight stickiness while it absorbs.
• Pilling with other products: apply thin layers, give each product time to settle, and avoid heavy silicone-based primers over the toner.
• Tingling: a mild, short-lived tingle can happen with new products, but burning, swelling or hives mean you should rinse the area and stop. Seek medical advice for severe reactions.
• New breakouts: a product can trigger breakouts, or a coincidence can look like one. Stop the product for two weeks and see what changes before restarting. If you have acne, talk to a dermatologist.
• Not seeing a difference: toners are about hydration and feel. If your goal is lines or discoloration, discuss targeted options such as sunscreen, retinoids or in-office treatments with a dermatologist.

numbuzin No.9 Toner by Skin Type and Season

Dry and dehydrated skin

This is the best match. Layer two or three thin passes, then follow with a ceramide moisturizer. The maker says it can be layered, and the humectant base suits dry skin.

Combination skin

One or two layers morning and evening are usually enough. Use a lighter moisturizer so the combined routine does not feel heavy in the T-zone.

Oily and acne-prone skin

The formula is light and fragrance-free, but it contains fatty alcohol, oils and emollient ingredients in small amounts. If you break out easily, patch-test on a small area for a week and watch for new bumps.

Sensitive skin

Some reviewers say it suits sensitive skin. Still, start once a day, patch-test first, and stop at the first sign of burning or redness.

Mature skin

The hydration and niacinamide are the supportive parts. For visible lines, a dermatologist can guide you toward proven options.

Winter and summer

In winter, add a thicker moisturizer and use extra layers of toner. In summer, a single layer under lightweight moisturizer and sunscreen is usually enough.

How Long Will One Bottle Last, and Is It Good Value?

The maker sells 150 ml (5.07 fl oz). With twice-daily use, ingredient-focused reviewers estimate two to three months per bottle. If you layer three times per application, expect it to run out sooner. The price sits in the budget tier, which makes it affordable compared with many NAD+ and PDRN products. The best value comes from using it consistently as a hydrating step rather than expecting treatment-level changes, and from keeping the cap closed and the bottle out of heat and direct sunlight.

If you rotate toners, keep an eye on the open-jar period (12 months for most products like this) and discard the bottle if the scent, color or texture changes.

What to Expect and When

These are general expectations based on how hydrating toners usually behave, not measured results from this product:

• Same day: skin often feels softer and more hydrated within minutes.
• One to two weeks: a more consistent glow if dryness was the main problem.
• Four to eight weeks: any additional change in tone or texture will be subtle and also depends on sunscreen, sleep and the rest of your routine.
• Beyond: if you hope to change lines or discoloration, discuss targeted treatments with a dermatologist.

How It Fits Into a Full K-Beauty Routine

numbuzin No.9 Toner Alternatives: Compare PDRN and NAD+ Toners

If you want to compare numbuzin 9 PDRN toner with other options, here are four widely listed alternatives from different brands. Specs come from maker pages, retailer listings and ingredient databases. Formulas can differ by region.

Anua PDRN 100 Hyaluronic Acid Booster Toner: Best for Light, Large-Bottle Hydration

Anua PDRN 100 Hyaluronic Acid Booster Toner, 8.45 fl oz

Included for 'numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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• Size: 250 ml (8.45 fl oz)
• Sodium DNA (PDRN) at 100 ppm; hydrolyzed hyaluronic acid at 0.5 ppm
• Also contains panthenol, allantoin, betaine, copper tripeptide-1 and plant extracts
• The “100” in the name refers to the PDRN figure, not a percentage of hyaluronic acid

Pros: light and watery; larger bottle; soothing ingredients such as panthenol and allantoin. Cons: much lower PDRN than numbuzin’s stated 1,000 ppm; hyaluronic acid present only in tiny amounts; salmon-derived, so not vegan; no niacinamide in the INCI list.

Skip it if you want niacinamide in your toner step.

medicube PDRN Toner Salmon DNA Milky Toner: Best for Drier Skin That Likes Richer Toners

medicube PDRN Toner Salmon DNA Milky Toner

Included for 'numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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• Size: 150 ml (5.07 fl oz)
• Niacinamide listed third (one retailer lists 5%); sodium DNA listed later in the formula
• Includes centella extracts, ceramide-type barrier ingredients per the brand, and a peptide set
• Milky texture with emollient oils, so it feels richer than most toners; not vegan

Pros: comforting for dry skin; niacinamide-forward; brand states it passed an irritation patch test. Cons: richer feel can be heavy on oily skin; contains several oils and emollients; patch test still recommended.

Skip it if you want a thin, watery toner.

EQQUALBERRY NAD+ Peptide Boosting Toner: Best if You Want an NAD-Focused Formula

EQQUALBERRY NAD+ Peptide Boosting Toner – NAD+ 5% & 13 Peptides Anti-Aging Korean Skincare Hydrating Face Toner | Firming & Lifting Pink NAD Toner for Sagging Skin (5.07 fl.oz / 150ml)

Included for 'numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

View on Amazon →

• Size: 150 ml (5.07 fl oz)
• Marketed as “NAD+ 5% and 13 peptides”; retailer INCI lists NAD far down the list, so the 5% figure cannot be confirmed from the ingredient order
• Niacinamide fourth, plus ceramide NP, adenosine, panthenol and sodium hyaluronate
• Contains a vitamin C derivative (sodium ascorbyl phosphate) at the end of the list

Pros: well-rounded hydration and barrier ingredients; lighter peptide list. Cons: NAD claim is hard to verify; contains berry extracts and a vitamin C derivative that may bother very sensitive skin.

Skip it if you are looking for a verified NAD percentage.

COSRX 5 PDRN B5 Vital Soothing Toner: Best Value in Size and Soothing Ingredients

COSRX 5 PDRN B5 Soothing Toner, Instant Calming & Hydrating, 9.46 fl oz

Included for 'numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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• Size: 280 ml (9.46 fl oz)
• Brand states five PDRN types (salmon, centella, rice, lactobacillus and sea grapes)
• Niacinamide, panthenol, centella asiatica extract, adenosine and several forms of hyaluronic acid
• Two ingredient lists circulate (different regional versions); one adds alpha-arbutin, one includes t-butyl alcohol

Pros: biggest bottle in this group; soothing focus. Cons: because versions differ, check your pack; PDRN amount is not stated in the lists we found.

Skip it if you need to be sure of the exact formula before you buy.

Which PDRN or NAD+ Toner Is Right for You?

• Normal to combination skin, glow-focused: numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner.
• Oily or easily weighed-down skin that wants minimal fuss: Anua PDRN 100 Hyaluronic Acid Booster Toner.
• Dry skin that wants a milkier texture: medicube PDRN Toner Salmon DNA Milky Toner.
• NAD-curious shoppers: EQQUALBERRY NAD+ Peptide Boosting Toner.
• Soothing and bottle size over everything: COSRX 5 PDRN B5 Vital Soothing Toner.

numbuzin No.9 Toner vs. the Rest of the No.9 Line

The No.9 line includes the toner reviewed here, a NAD+ peptide serum, a glow-boosting set and eye creams (one retinal-based, one retinol-based). The toner is the lowest-commitment entry: it is an easy hydrating step with no retinoid. The eye creams and any serum with retinoids call for more caution: introduce one product at a time, use sunscreen daily, and check with a dermatologist if you are unsure how they fit with your other actives. If you are building a No.9 routine, start with the toner for a few weeks before adding anything else.

How We Chose These Alternatives

This is a research-based comparison; we did not run a trial of these products. We chose widely listed PDRN or NAD+ toners from different brands that compete at the same price tier. We checked each maker’s page, retailer listings and ingredient databases for size and key ingredients. Where numbers could not be verified, such as the NAD percentage on the EQQUALBERRY toner, we say so. Nothing here is medical advice.

Three Sample Routines Built Around the numbuzin No.9 Toner

Minimal routine (4 steps)

1. Gentle cleanser
2. numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner, one or two layers
3. Ceramide moisturizer
4. Sunscreen in the morning

This is the best starting point if you are new to PDRN or NAD+ toners. It lets you see how your skin reacts to one new product at a time.

Glow routine (6 steps)

1. Cleanser, then rinse well
2. No.9 toner, applied with palms and pressed in
3. Hydrating essence or the maker’s No.9 Essence
4. Serum chosen for your main concern (for example, a niacinamide-free hydrating serum if you want to avoid doubling up)
5. Moisturizer
6. Sunscreen (morning) or a sleeping cream (evening)

Dry-winter routine

1. Cream or oil cleanser
2. Three thin layers of the No.9 toner
3. Essence or ampoule
4. Rich moisturizer
5. A thin layer of balm over dry patches at night, if needed

In every routine, introduce changes one at a time and stop anything that causes stinging, redness or swelling.

numbuzin No.9 vs. Other numbuzin Toners

numbuzin sells several toners at similar budget tiers, each built around a different idea. Based on the product titles and maker descriptions:

• numbuzin No.1 Pure-Full Calming Herb Toner (10.14 fl oz): positioned as a calming herbal toner in a larger bottle.
• numbuzin No.3 Bifida Bakuchiol Zero Pore Milky Toner (6.76 fl oz): a milky toner aimed at pores, uneven texture and dark spots, with kojic acid, marketed for sensitive skin.
• numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner (5.07 fl oz): the glow and hydration option with niacinamide, PDRN and peptides.

Pick based on your main goal: calming (No.1), pore and texture care (No.3), or hydrated glow (No.9). Avoid layering several different numbuzin toners at once, since each has its own active mix.

How to Check You Are Buying the Real Product

• Check that the listing names the brand numbuzin and the exact product, No.9 NAD+ Salmon PDRN Glow Boosting Toner.
• Confirm the size (150 ml / 5.07 fl oz) and compare the ingredient list on the listing with the maker’s page.
• Prefer listings from the brand’s own store or recognized sellers.
• Check for batch codes and an expiry or manufacturing date on the packaging when it arrives.
• If the texture, color or smell is different from what the maker describes, stop use and contact the seller.

How Much numbuzin No.9 Toner Should You Use? Application Tips

The maker’s guidance is to apply the toner according to your skin’s dryness level. In practice, that translates into a few simple rules:

• Start small: one palm-sized pour per layer, pressed in rather than rubbed.
• Dry skin: two or three thin layers, waiting about 30 seconds between each.
• Combination or oily skin: one or two layers and a lighter moisturizer.
• Cotton pad: works for a quick sweep, but uses more product. A pad is better for even application than for scrubbing.
• Hands: best for pressing in with minimal waste and for layering.
• Neck and chest: the toner is thin enough to extend to the neck, if your skin tolerates it.
• Around the eyes: keep a small distance from the lash line, and patch-test first. Some sources say it is fine under the eyes, but eye skin is more delicate.

Mistakes that waste product

• Soaking a pad completely and then discarding it after one pass.
• Skipping moisturizer on the assumption that layered toner is enough.
• Leaving the cap off, which lets the formula evaporate and contaminates it.
• Storing it in a hot bathroom or near a window.

The Bottom Line for Different Buyers

• You want a pleasant budget glow toner: a strong choice.
• You want proven anti-aging results from PDRN or NAD+: look elsewhere, as the evidence for topical use is limited. Talk to a dermatologist about proven options.
• You have a fish allergy or very reactive skin: skip it or check with a doctor first.
• You love layering and routines: it is a nice fit, especially for dry or combination skin.

Final Verdict

The numbuzin No.9 NAD+ Salmon PDRN Glow Boosting Toner is a feature-rich toner on paper. The combination of NAD+, PDRN, and niacinamide aims to do more than simply refresh the surface, though results vary by person.

If you are serious about glass-skin results and want every step of your routine pulling its weight, it is a reasonable toner to consider, particularly for those in their 30s and 40s who want an anti-aging-focused toning step.

Who Should Use the numbuzin No.9 Toner (and Who Should Skip It)

Good fit

• Normal, dry and combination skin that wants a hydrating, glowy toner step.
• People who like layering light liquids (the 7-skin or multi-layer method).
• Anyone who wants a fragrance-free toner with niacinamide and ceramide NP.

Think twice

• Fish or salmon allergy: sodium DNA is salmon-derived. Ask a doctor first.
• Very sensitive, eczema-prone or reactive skin: a long ingredient list means more possible triggers. Patch-test on the inner forearm for 24 to 48 hours, and consult a dermatologist if you have a skin condition.
• Anyone wanting a matte, particle-free toner: the pearl-like particles and slightly tacky feel while absorbing will not suit you.
• Pregnant or breastfeeding: ask your doctor about any new product.

How to Build a Morning and Evening Routine Around It

1. Cleanse with a gentle cleanser.
2. Toner: shake lightly to distribute the particles, then apply with hands or a pad. The maker says it can be used morning and evening.
3. Essence or serum: the maker recommends the No.9 Essence next; any hydrating serum is fine.
4. Moisturizer to seal everything in.
5. Sunscreen in the morning, every day. Brightening and tone-evening ingredients work best with daily SPF.

Can I use numbuzin No.9 toner with a lemon facial wash?

Cleanser comes first, so the order is not an issue. Citrus-scented cleansers often contain fragrance or essential oils, which can irritate some skin. Rinse thoroughly, and if you notice stinging or redness, switch to a fragrance-free cleanser and ask a dermatologist for advice.

How to Choose a PDRN or NAD+ Toner: Concrete Thresholds

• Check the PDRN number. Sodium DNA at 1,000 ppm (as numbuzin states) is ten times the 100 ppm in the Anua toner below. A higher number is not a guarantee of results, but it tells you what is actually in the bottle.
• Look at where niacinamide sits. In the top five usually means a meaningful amount. Position 3 in this toner is a good sign.
• Be wary of headline percentages. If NAD+ or PDRN is advertised as a percentage, check whether the INCI position supports it.
• Size and price per ml. 150 ml lasts about two to three months at twice-daily use; 250 to 280 ml bottles last longer.
• Fragrance-free if you are reactive, confirmed on the INCI list, not just the front label.
• Open-jar period: most such toners use a 12-month period after opening.

More numbuzin No.9 Toner Questions

Does the numbuzin No.9 toner contain fragrance?

No fragrance appears in the INCI list reviewed by ingredient databases, and the maker does not list fragrance. Still, check the label on your bottle, since some listings differ.

Is the numbuzin No.9 NAD+ PDRN toner safe if I have a salmon allergy?

Talk to your doctor first. The PDRN is a purified DNA fragment from salmon, and some people with fish allergies prefer to avoid fish-derived ingredients entirely.

How long does the numbuzin No.9 toner last once opened?

Most sources list a 12-month period after opening. At twice-daily use, a 150 ml bottle typically lasts around two to three months.

Why does my toner have tiny particles in it?

The pearl-like particles are ceramide pearls, according to the maker. Shake the bottle gently before use so they are evenly distributed.

How does numbuzin No.9 compare to other PDRN toners?

It lists PDRN at 1,000 ppm, higher than the 100 ppm listed in the Anua PDRN toner, and it places niacinamide third. However, none of these toners have strong independent evidence that topical PDRN or NAD+ changes skin the way injectables do. Choose on texture, size and ingredient tolerance.

Frequently Asked Questions

Can I use the numbuzin No.9 Toner twice a day?

Many people use a toner morning and evening; follow the directions on the label and start once daily if your skin is sensitive.

Can niacinamide cause flushing or irritation?

Some users experience mild initial tingling or a temporary flush, which usually resolves within a week as skin adjusts. Start with once-daily use if you have sensitive skin, then build to twice daily.

Can I layer this with other niacinamide products?

Yes, though if you are already using multiple high-dose niacinamide products, total daily dose can build up. Check the percentages on your other products and introduce them gradually.

Does it work for hyperpigmentation?

It may help with the look of uneven tone, since niacinamide is a well-studied brightening ingredient, but results vary and need consistent use. For stubborn dark spots, pair it with daily SPF.

Is it suitable for dry skin?

Yes, it is a hydrating toner. Dry skin types should follow with a rich moisturizer to seal the hydration in.

How does this compare to the numbuzin No.3 toner?

No.3 is positioned around pores and uneven texture, while No.9 adds NAD+ and PDRN and is positioned for anti-aging and glow. Check each product page for the exact ingredient list.