The INKEY List Peptide Moisturizer Review
BeautyBrief™
Brand
The INKEY List
Product
Peptide Moisturizer
Claims check
You get a lightweight humectant-and-emollient moisturizer with a clearly identified 2% Royal Epigen P5 blend and 1% Hydrating Peptide Solution plus current Non-Comedogenic, Vegan, and Cruelty-Free support; defined finished-product wrinkle evidence remains limited.
Shopper fit
- Dry
- Normal
- Combination
- Oily
- Sensitive
Formula flags
- None identified
Shopper preferences
- Vegan
- Cruelty-Free
- Non-Comedogenic
Key ingredients
| Glycerin | Provides core humectant support for daily hydration. |
|---|---|
| Betaine | Adds water-binding and conditioning support within the lightweight cream base. |
| Shea Butter | Adds emollience and helps reinforce the dry-skin fit. |
| Acetyl Hexapeptide-37 | Forms the active peptide in the 1% Hydrating Peptide Solution and supports the hydration-and-barrier story. |
| Pentapeptide-48 | Forms the peptide component of the 2% Royal Epigen P5 blend and supports the tone and visible-aging positioning. |
Price tier
$ Budget
Value check
At the Budget tier, you are paying for a solid daily moisturizing base, two clearly identified peptide technologies, and three supported Shopper Preferences rather than a clinically quantified wrinkle treatment.
Where to buy
We may earn a commission through these links at no additional cost to you. This does not affect our BeautyBrief.
Bottom line
If you want a lightweight daily moisturizer with peptide support, this gives you solid Budget value. If clinically quantified wrinkle correction is your main goal, choose a product with stronger finished-product evidence.
If you want a lightweight daily cream with peptide support rather than a dedicated wrinkle treatment, The INKEY List Peptide Moisturizer gives you a Budget formula with glycerin, betaine, shea butter, Acetyl Hexapeptide-37, and Pentapeptide-48.
The moisturizing base is the most dependable part of the formula. The two peptide technologies add useful differentiation, but the current public page still does not publish finished-product clinical methodology for a defined wrinkle-reduction endpoint.

What it claims
The INKEY List says Peptide Moisturizer helps reduce the look of fine lines and wrinkles, nourish dry skin, even visible tone, and support the moisture barrier. The current page discloses 2% Royal Epigen P5™ and 1% Hydrating Peptide Solution and lists the product for all skin types, including sensitive skin.[1]
Claims vs. formula
Caprylic/capric triglyceride, glycerin, C12-15 alkyl benzoate, fatty alcohols, betaine, and shea butter give you a balanced humectant-and-emollient moisturizing base.
The 1% Hydrating Peptide Solution contains Acetyl Hexapeptide-37, while the 2% Royal Epigen P5™ blend contains Pentapeptide-48 alongside moisturizing components. That gives the peptide story more specificity than a generic “peptide cream” label.
The missing piece is direct finished-product clinical detail for wrinkle correction. The page gives ingredient-technology claims and a 28-day skin-renewal statement, but it does not publish a finished-product sample size, comparator, or quantified wrinkle endpoint.
Ingredients that matter
Glycerin: Gives you core humectant support for daily hydration.
Betaine: Adds water-binding and conditioning support.
Shea butter: Adds emollience and supports the dry-skin fit.
Acetyl Hexapeptide-37: Forms the active peptide in the 1% Hydrating Peptide Solution.
Pentapeptide-48: Forms the peptide component of the 2% Royal Epigen P5™ blend.
Glycerin
If your skin feels dry or tight, glycerin helps your skin hold moisture. You don't need a high percentage or a separate serum when your moisturizer already works well.
Read the IngredientBriefBetaine
Betaine is a well-established humectant and skin-conditioning ingredient that adds lightweight moisture support. It is useful but replaceable, and it should not be confused with similarly named betaine surfactants or…
Read the IngredientBriefShea Butter
Shea butter is a well-established emollient and occlusive used to soften dry-feeling skin and add richness to moisturizers. Its value depends on the complete formula, not the ingredient name alone.
Read the IngredientBriefPeptides
If fine lines are your concern, some peptide formulas have human evidence. Check the named peptide and finished-product testing; you don't need a separate serum when your routine already meets…
Read the IngredientBriefWhat to expect in the short term
You get a lightweight, non-sticky cream that layers easily under sunscreen or makeup and gives you straightforward moisture and softness.
What to expect over time
The most dependable ongoing benefits are maintained hydration and barrier comfort. The peptide system adds plausible support for smoother, more even-looking skin, but this should not be treated as a treatment-level wrinkle claim.
Who it fits
This makes the most sense if your skin is dry, normal, combination, oily, or sensitive and you want a lighter cream with peptide support.
Compare before you buy
Choose Peptide Moisturizer when you want a lightweight daily cream with current Non-Comedogenic, Vegan, and Cruelty-Free support plus a clearly identified dual-peptide system.
Choose Bio-Active Ceramide Moisturizer when richer barrier support and a stronger finished-product evidence package matter more.
Final assessment
The INKEY List Peptide Moisturizer gives you solid Budget value as a lightweight everyday moisturizer with a clear dual-peptide story. Non-Comedogenic, Vegan, and Cruelty-Free are currently supported; the hydration-and-barrier case remains stronger than the broader wrinkle-correction promise because finished-product clinical methodology is not published.
Where to buy
Choose a retailer to view current pricing and availability.
We may earn a commission through these links at no additional cost to you. This does not affect our BeautyBrief.
Last reviewed: October 2026
Sources
- The INKEY List. Peptide Moisturizer. Current official U.S. product page. Accessed October 2, 2026.
Source for current $18 price, 50 mL size, all/sensitive-skin positioning, current formula, 2% Royal Epigen P5™ and 1% Hydrating Peptide Solution disclosures, pH 6.0–6.5, exact-product non-comedogenic wording, Vegan Society certification, and Cruelty Free International Leaping Bunny approval.