Olay Regenerist Retinol24 + Peptide Night Moisturizer — Efficacy 3.9/5.0, Safety 4.2/5.0 | DemythSkin
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[ DemythSkin Verdict ]
Olay Regenerist Retinol24 + Peptide Night Moisturizer
Olay

Olay Regenerist Retinol24 + Peptide Night Moisturizer

MoisturizerAnti-Aging
Efficacy
Solid
3.9 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
A genuinely capable beginner retinol moisturizer, but Olay’s “Retinol24” branding is louder than the disclosed evidence. The efficacy score of 3.9/5 reflects the unusually prominent placement of retinol, the additional retinyl propionate, niacinamide, glycerin, and a silicone-based moisturizing vehicle; however, the formula discloses no retinol percentage, so potency and clinical equivalence cannot be confirmed. The peptide blend is supportive but clinically less validated than retinol, and there is no disclosed pH or encapsulation information. The safety score of 4.2/5 reflects a fragrance-free formula with no denatured alcohol or aggressive surfactants, offset by the meaningful irritation, dryness, and photosensitivity potential of retinoids. Retinol has stronger independent evidence for collagen remodeling and wrinkle reduction than topical peptides, while niacinamide has human clinical support at commonly studied concentrations.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Retinol
A Tier: Good BasicsProven Results
GlycerinNiacinamide
B Tier: Supporting IngredientsPromising Ingredients
Distarch PhosphateRetinyl PropionatePalmitoyl Dipeptide-7Palmitoyl Pentapeptide-4Tripeptide-3CarnosineHydroxyacetophenoneC13-14 IsoalkanePolyacrylamideFacebook X (Twitter) Pinterest Email Link Share DELIVERS Anti-aging ingredients DEEP INTO YOUR SKIN'S SURFACE OVERNIGHT What's it like
What Each Ingredient Does
Water
Solvent and formula base
Dimethicone
Silicone emollient and occlusive
Glycerin
Humectant hydration agent
Distarch Phosphate
Absorbent texture modifier
Dimethicone Crosspolymer
Silicone texture enhancer
Retinol
Vitamin A treatment active
Retinyl Propionate
Vitamin A derivative
Niacinamide
Barrier and tone-supporting vitamin
Palmitoyl Dipeptide-7
Signal peptide conditioning agent
Palmitoyl Pentapeptide-4
Signal peptide conditioning agent
Tripeptide-3
Peptide skin-conditioning agent
Carnosine
Antioxidant conditioning agent
Hydroxyacetophenone
Antioxidant preservative booster
Butylene Glycol
Humectant and solvent
C13-14 Isoalkane
Light emollient and solvent
Dimethiconol
Silicone conditioning agent
Laureth-4
Emulsifier and solubilizer
Laureth-7
Emulsifier and solubilizer
Disodium EDTA
Chelating agent
Polyacrylamide
Film-forming thickener
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Thickener and stabilizer
Titanium Dioxide
Pigment / opacifier in this formula — not acting as a UV filter.
Phenoxyethanol
Preservative
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Non-INCI webpage text
Full Ingredient List (INCI)

Water, Dimethicone, Glycerin, Distarch Phosphate, Dimethicone Crosspolymer, Retinol, Retinyl Propionate, Niacinamide, Palmitoyl Dipeptide-7, Palmitoyl Pentapeptide-4, Tripeptide-3, Carnosine, Hydroxyacetophenone, Butylene Glycol, C13-14 Isoalkane, Dimethiconol, Laureth-4, Laureth-7, Disodium EDTA, Polyacrylamide, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Titanium Dioxide, Phenoxyethanol Facebook X (Twitter) Pinterest Email Link Share DELIVERS Anti-aging ingredients DEEP INTO YOUR SKIN'S SURFACE OVERNIGHT What's it like

Frequently Asked

Is Olay Regenerist Retinol24 + Peptide Night Moisturizer worth it?

Olay Regenerist Retinol24 + Peptide Night Moisturizer scores 3.9 out of 5.0 for efficacy (Solid) and 4.2 out of 5.0 for safety (Mostly Safe) on DemythSkin's independent ingredient analysis. A genuinely capable beginner retinol moisturizer, but Olay’s “Retinol24” branding is louder than the disclosed evidence. The efficacy score of 3.9/5 reflects the unusually prominent placement of retinol, the additional r

What are the key active ingredients in Olay Regenerist Retinol24 + Peptide Night Moisturizer?

Olay Regenerist Retinol24 + Peptide Night Moisturizer contains these gold-standard actives with strong clinical evidence: Retinol.

Does Olay Regenerist Retinol24 + Peptide Night Moisturizer contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in Olay Regenerist Retinol24 + Peptide Night Moisturizer. It scores 4.2 out of 5.0 for safety.

How is Olay Regenerist Retinol24 + Peptide Night Moisturizer scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-10-05. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.