EQQUALBERRY NAD+ Peptide Boosting Serum Review

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EQQUALBERRY NAD+ Peptide Boosting Serum Review

By Kathijo Skincare | Updated October 2026 | 8 min read

EQQUALBERRY NAD+ Peptide Boosting Serum | 14 Peptide Serum for Face, Neck & Body | Vegan Collagen & Pink Serum for Anti-Aging, Firming & Lifting | Korean Skincare (1.01 oz / 30ml)

Included for 'EQQUALBERRY NAD+ Peptide Boosting Serum Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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EQQUALBERRY NAD+ Peptide Boosting Serum Double Pack | 14 Peptide Serum for Face, Neck & Body | Vegan Collagen & Pink Serum for Anti-Aging, Firming & Lifting | Korean Skincare, 1.01 fl oz (Pack of 2)

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EQQUALBERRY NAD+ Peptide Boosting Serum & Cream Duo | Pink Cream for Anti-Aging, Firming & Lifting, Jawline, Neck, Décolleté | Korean Skin Care

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EQQUALBERRY NAD+ Peptide Boosting Cream – NAD+ 5% & 13 Peptides Anti-Aging Korean Skincare Face & Body Cream | Firming & Lifting Pink Neck Cream for Sagging Skin (1.69 fl.oz / 50ml)

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Firming and Lifting Duo, Anti-Aging Serum and Cream Set for Face - 1 Pack

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EQQUALBERRY NAD+ Peptide Boosting Cream Double Pack | NAD+ 5% & 13 Peptides Anti-Aging Korean Skincare Face & Body Cream | Firming & Lifting Pink Neck Cream for Sagging Skin, 1.69 fl.oz (Pack of 2)

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EQQUALBERRY Vitamin Illuminating Serum | Niacinamide 4% & TXA | Brightening Vitamin C Serum for Face Glow with Hyaluronic Acid | Dark Spot & Uneven Tone Care | Korean Skincare, 1.01 fl oz

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EQQUALBERRY NAD+ Peptide Boosting Night Wrapping Mask | Easy Peel Off Overnight Facial Mask for Face, Neck Lifting & Firming | Glowing Glass Skin | Korean Skin Care, 2.53 fl.oz

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NAD+ (Nicotinamide Adenine Dinucleotide) is the ingredient that longevity scientists, biohackers, and anti-aging dermatologists have been buzzing about for years. Now Korean beauty — always at the cutting edge of cosmetic biotechnology — has brought NAD+ into topical skincare, and the EQQUALBERRY NAD+ Peptide Boosting Serum is one of the products in this emerging category.

In this review, I will explain what NAD+ is, what the product lists and claims, and whether it may fit your routine, based on the brand’s published information.

What Is NAD+ and Why Does Skin Need It?

NAD+ (Nicotinamide Adenine Dinucleotide) is a coenzyme found in every living cell, involved in many metabolic processes including energy production and cellular communication. It is critical for activating sirtuins — a family of proteins linked to longevity, stress resistance, and cellular maintenance.

The problem: NAD+ levels decline significantly with age. Research suggests cellular NAD+ levels decline with age, and this decline is discussed in connection with signs of skin aging.

Brands position NAD+ precursors and stabilized NAD+ compounds in skincare to:

• Support skin cell energy
• Support collagen-producing fibroblasts
• Help with oxidative stress from the environment
• Improve the look of skin resilience and radiance

About EQQUALBERRY

EQQUALBERRY is a K-beauty brand positioned at the intersection of nutricosmetics and topical skincare, with a focus on cellular-level anti-aging science. Their formulations draw on biotech advances that are more commonly found in nutraceuticals than cosmetics — NAD+ being the clearest example. The brand is gaining recognition among skincare enthusiasts who follow the longevity science space and want topical products that align with the latest research.

EQQUALBERRY NAD+ Peptide Boosting Serum Ingredients: What the Label Lists

Before judging any serum, read the ingredient list, not the front-of-box claims. Public listings for the EQQUALBERRY NAD+ Peptide Boosting Serum describe a water-based formula in a 30 ml (1.01 fl oz) bottle. The first ingredients named on the brand’s list include water, butylene glycol, glycerin, cetyl ethylhexanoate, 1,2-hexanediol, and niacinamide, followed by hydrogenated lecithin and many others. The headline actives are NAD+ and NMN (nicotinamide mononucleotide), a multi-peptide complex the brand describes as 14 peptides, five ceramides, vegan collagen, hyaluronic acid derivatives, and squalane.

One caution: ingredient lists for this product differ between retailers. One listing shows silicones such as cyclopentasiloxane and dimethicone, while the brand’s own list does not. If you avoid silicones, or have a known allergy, check the printed list on the box you actually receive rather than relying on any web page, including this one.

What “14 peptides” really means

A long peptide count looks impressive on a box, but it does not mean each peptide is present at an effective dose. Reviewers who break down the formula point out that stacking many peptides at low concentrations does not multiply the effect. The practical takeaway is that the serum behaves like a good-value peptide-plus-niacinamide formula, and any NAD+ benefit should be treated as a bonus rather than the main reason to buy.

Color, scent, and texture claims

Treat descriptions of color, scent, and texture as one person’s impression. Product listings call this a pink serum, so check how yours looks and smells when it arrives, and compare it with the printed label.

Key Ingredients Breakdown

NAD+ (Stabilized / Precursor Complex)

The cornerstone ingredient. The brand’s listing mentions NAD+ and NMN in the formula. Brands position these ingredients as support for skin cell energy, but topical delivery is still being studied, so check the label for the exact form used.

Multi-Peptide Complex

A blend of peptides, which are commonly used in skincare for firmness-focused routines. The brand’s published list includes ingredients such as copper tripeptide-1, acetyl hexapeptide-8, and palmitoyl pentapeptide-4. Common peptide types in K-beauty include:

• Acetyl Hexapeptide-8 (often sold as Argireline): a popular peptide marketed for the look of expression lines
• Palmitoyl Pentapeptide-4 (Matrixyl): a popular peptide marketed for firmer-looking skin
• Copper Tripeptide-1: a copper peptide commonly used in skincare for the look of firmness

Niacinamide (B3)

A form of Vitamin B3 closely related to NAD+ in the cell’s metabolic pathway. Commonly used to even the look of skin tone and support the skin barrier. Its presence alongside NAD+ gives the formula a B-vitamin focus.

Hyaluronic Acid

Multi-molecular-weight HA ensures surface and deeper-layer hydration, helping keep skin hydrated under the other actives.

Does EQQUALBERRY Really Work? A Realistic Expectations Guide

“Does EQQUALBERRY really work?” is the question that brings many readers here, so here is a plain answer. A serum like this can make skin look and feel more hydrated, smoother, and slightly more even in tone, mostly because of niacinamide, humectants, ceramides, and peptides. It cannot replace sunscreen, retinoids prescribed by a dermatologist, or in-office procedures, and it should not be expected to change wrinkles dramatically. Independent reviewers describe the effect of peptides as gradual and subtle.

A fair timeline

• Days 1 to 7: feel and finish are visible first: comfort, slip, and a lightly hydrated look.
• Weeks 2 to 4: skin may look a bit smoother and more even if niacinamide agrees with you.
• Weeks 6 to 12: the window many brands use for peptide claims. Take photos in the same light so you are comparing fairly rather than relying on memory.

EQQUALBERRY NAD+ Peptide Boosting Serum safety: how to patch-test

The Bing question “is it safe” has a simple answer: it is a cosmetic, but any cosmetic can irritate some people. Use this routine.

1. Apply one or two drops to the inner forearm or behind the ear once a day for three days.
2. If there is no redness, itching, burning, or swelling, apply a thin layer to a small area of the face.
3. Add it to your full routine at night first, then in the morning if it suits you.
4. Stop and rinse off if irritation appears, and talk to a doctor if it does not settle.

Check with a professional first if: you are pregnant or nursing, you have a diagnosed skin condition such as eczema, rosacea, or dermatitis, you use prescription topicals, or you have had recent cosmetic procedures.

Ingredients to be careful pairing with it

• Strong acids and high-strength vitamin C: reviewers of copper-peptide serums often advise separating these from copper peptides, for example by using vitamin C in the morning and the peptide serum at night.
• Retinoids: many people alternate nights rather than layering both. A dermatologist can tailor timing.
• Too many new products at once: if you add three things in the same week, you will not know what caused a reaction.

How long a bottle may last

One independent reviewer estimates a 30 ml bottle lasts roughly two to three months with daily use. Real use depends on how many drops you apply and how often, so treat that as a rough guide rather than a promise.

Texture, Scent and Application

The serum has a lightweight, slightly viscous consistency — between a watery essence and a traditional serum. It absorbs cleanly without tackiness or residue. Check the product page for the current scent and color description, since listings describe it as a pink serum.

Apply 3–4 drops after toning and gently press into skin. Allow 60 seconds to absorb fully before applying moisturizer. Morning or evening use is both suitable.

What to Expect From Consistent Use

• Early weeks: Serums like this are typically used for a radiance and smoothness boost; results vary by person.
• Mid-term: Peptide serums are generally used consistently for several weeks before judging firmness or fine-line appearance.
• Longer term: Keep realistic expectations; take progress photos in the same light if you want to track changes.

Pros and Cons

How to Layer It in Your Routine

1. Cleanser
2. Hydrating toner or essence
3. EQQUALBERRY NAD+ Peptide Serum — 3–4 drops, pressed in gently (AM and PM)
4. Eye cream
5. Moisturizer
6. SPF (morning)

Avoid mixing with high-strength vitamin C (ascorbic acid) in the same step — both compete for oxidation and may destabilize each other. Use vitamin C in the morning and NAD+ serum at night, or choose a different antioxidant for your morning routine.

Who Is This Product For?

• Skincare enthusiasts who follow longevity science and want their topicals to reflect current anti-aging research
• Adults noticing first signs of aging — loss of radiance, fine lines, reduced elasticity
• Anyone who wants to try a NAD+ and peptide serum in their routine
• Biohackers and wellness-oriented consumers who take NMN or NR supplements and want topical synergy

EQQUALBERRY Alternatives by Budget Tier

If the NAD+ angle does not matter to you, a simpler peptide or niacinamide serum may cover the same ground. Each pick below has one spec line, then a short block. Details come from maker pages and retailer listings; formulas can change, so confirm on the carton.

Under about $25, the simplest swaps are the first two picks. Mid-priced options add EGF or a single-purpose active.

The Ordinary Multi-Peptide + Copper Peptides 1% Serum — Best for a no-frills peptide routine

The Ordinary Multi-Peptide + Copper Peptides 1%, GHK-Cu Anti-Aging Serum for Fine Lines and Skin Elasticity, 1 Fl Oz

Included for 'EQQUALBERRY NAD+ Peptide Boosting Serum Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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• Size: 1 fl oz / 30 ml
• Brand-listed actives: copper tripeptide-1 (GHK-Cu), Matrixyl 3000, Matrixyl synthe’6, Argireline-type peptide, SYN-AKE
• Hydration: sodium hyaluronate and a crosspolymer
• Use: a few drops in the morning and evening after cleansing

Pros: clear peptide focus; widely available; easy to price-compare. Cons: pairing restrictions with acids, vitamin C, and retinoids; some users find peptides alone too subtle. Skip it if you want a ceramide-rich barrier serum or already use several strong actives.

COSRX 6X Peptide Collagen Skin Booster Toner Serum — Best light, large-volume peptide step

COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz

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• Size: 150 ml (5.07 fl oz)
• Six peptides named by the brand, including copper tripeptide-1 and acetyl hexapeptide-8
• Other key ingredients: niacinamide, hyaluronic acid, allantoin
• Use: 2 to 3 pumps after cleansing and before serums or moisturizer, up to twice daily

Pros: large bottle suits daily layering; watery texture; easy to add to a K-beauty routine. Cons: lower per-drop intensity than a dropper serum; the formula has been updated over time. Skip it if you want a richer, ceramide-forward feel.

medicube EGF NAD Firming Serum — Best for the NAD+ idea with EGF

medicube NAD EGF Firming Serum for Face & Body, Elasticity & Anti-Aging

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• Size: 30 ml
• Listed actives: sh-Oligopeptide-1 (EGF) and NAD+ at low ppm per retailer listings, niacinamide, adenosine, copper tripeptide-1
• Use: 2 to 3 drops after toner, then moisturizer

Pros: keeps the NAD+ concept; includes niacinamide and adenosine; gradual introduction is advised for sensitive skin. Cons: NAD+ appears at very small amounts per retailer figures; ingredient lists vary by listing. Skip it if you dislike fruit-extract blends or are sensitive to many actives at once.

Anua Niacinamide 10 + TXA 4 Serum — Best if tone and dullness are your main goal

Anua Niacinamide 10 + TXA 4 Serum, Korean Skincare, 1.01 fl.oz

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• Size: 30 ml
• Retailer-listed actives: niacinamide 10%, tranexamic acid 4%, arbutin 2%
• Texture: watery and lightweight
• Use: morning and night, then moisturizer, with SPF 30 or higher in the day

Pros: clear single purpose; easy to layer; no peptide complexity. Cons: not a firming product; high niacinamide can bother a small number of people. Skip it if your goal is firmness rather than tone, or if you react to high-strength niacinamide.

How we chose these alternatives

We compared maker pages, ingredient databases, and independent reviewers’ notes for products that share EQQUALBERRY’s main jobs: peptide support, niacinamide, and barrier comfort. This is a research-based shortlist, not a user study. We left out any spec we could not confirm.

Is the EQQUALBERRY NAD+ Peptide Boosting Serum Worth It? Decide by Scenario

Use this quick guide to match your situation to a decision. It is general information, not medical advice.

• You want a budget-friendly peptide and niacinamide serum with ceramides: the EQQUALBERRY NAD+ Peptide Boosting Serum fits well, because the backbone of the formula is the part with the most support.
• You bought it mainly for the NAD+ claim: adjust expectations. Topical NAD+ has limited human evidence, so judge the serum on how the whole formula feels, not on one buzzword.
• You want the simplest peptide routine: The Ordinary Multi-Peptide + Copper Peptides 1% Serum has fewer marketing hooks and clear pairing notes.
• You want a bigger bottle for daily layering: the COSRX 6X Peptide Collagen Skin Booster Toner Serum gives 150 ml for a lighter, watery step.
• You mostly want better tone: a niacinamide and tranexamic acid serum such as Anua Niacinamide 10 + TXA 4 Serum targets that goal directly.
• You have reactive skin, a skin condition, or are pregnant: ask a dermatologist or doctor before adding peptides, copper, or high-strength actives.

Common mistakes with peptide serums

• Judging results after a week instead of giving the routine several weeks
• Layering with strong acids or high-strength vitamin C in the same step
• Skipping sunscreen, which has a larger effect on how skin ages than any serum
• Buying from unknown sellers, which raises the risk of old or altered stock; check the printed ingredient list when the box arrives

Final Verdict

The EQQUALBERRY NAD+ Peptide Boosting Serum is an interesting option in the newer K-beauty NAD+ category. It will not be for everyone: benefits are gradual, the science on topical NAD+ is still developing, and it costs more than basic serums. For the skincare enthusiast curious about NAD+ and peptides, it is worth considering based on the ingredient list and your own skin.

Think of it as a gradual-use serum: judge it after consistent use, and check the label first.

EQQUALBERRY NAD+ Peptide Boosting Serum | 14 Peptide Serum for Face, Neck & Body | Vegan Collagen & Pink Serum for Anti-Aging, Firming & Lifting | Korean Skincare (1.01 oz / 30ml)

Included for 'EQQUALBERRY NAD+ Peptide Boosting Serum Review' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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Frequently Asked Questions

What exactly is NAD+ and can it really penetrate skin?

NAD+ is a cellular coenzyme involved in energy metabolism. Topical delivery is an active area of research, and results from formulation studies are still limited. Check the brand’s page for details on how the product is formulated.

Is NAD+ serum the same as taking NAD+ supplements?

No — the delivery route differs significantly. Oral NAD+ supplements (or precursors) affect systemic cellular NAD+ levels throughout the body. Topical NAD+ focuses specifically on skin cells. Some people use both, but ask your doctor about supplements.

Can I use this with retinol?

Many people layer them, for example retinol at night and the NAD+ serum in the morning. Introduce one product at a time and stop if irritation appears.

Does EQQUALBERRY really work?

It can improve how skin looks and feels, mostly through niacinamide, ceramides, and peptides, but changes are gradual and subtle. The NAD+ part has limited topical evidence, so do not expect dramatic results.

Are EQQUALBERRY NAD+ Peptide Boosting Serum reviews reliable?

Treat them with care. Many pages that review this serum use affiliate links, and brand-new products have limited independent testing. Compare several sources, and look for reviewers who list the ingredients and explain their limits.

Is Equalberry the same as EQQUALBERRY?

Yes. “Equalberry” is a common misspelling of the EQQUALBERRY brand name. Search for the full product name, EQQUALBERRY NAD+ Peptide Boosting Serum, to avoid knock-offs.

Is the EQQUALBERRY NAD+ Peptide Boosting Serum safe?

It is a cosmetic and is generally sold for external use, but any product can irritate some people. Patch-test for a few days, and check with a doctor if you are pregnant, nursing, or have a skin condition.

How long does a 30 ml bottle last?

One independent reviewer estimates about two to three months with daily use. Your bottle may last longer or shorter depending on how many drops you use.

Is it suitable for sensitive skin?

Check the label for fragrance and other known irritants, and patch-test first, especially if you have reactive skin.

How is NAD+ different from Niacinamide (B3)?

Niacinamide is a form of Vitamin B3 that the body can convert into NAD+ through multiple metabolic steps. Topical NAD+ works more directly on the cellular energy pathway, while niacinamide offers additional surface-level benefits (brightening, pore-minimizing, barrier strengthening). Both are valuable; combined they create a B-vitamin anti-aging synergy.

When will I start seeing results?

Results vary by person. Serums like this are usually used consistently for several weeks before judging the effect. The brand’s page lists the suggested use.