Paula's Choice CLINICAL 1% Retinol Treatment — Efficacy 4.7/5.0, Safety 4.2/5.0 | DemythSkin
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[ DemythSkin Verdict ]
Paula's Choice CLINICAL 1% Retinol Treatment

Paula's Choice CLINICAL 1% Retinol Treatment

SerumAnti-Aging
Efficacy
Exceptional
4.7 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
This is a clinically strong, high‑irritation‑potential S Tier retinol serum that earns its reputation but absolutely will punish an unprepared barrier. The 1% retinol in the top third of the list, paired with an A‑Tier oil‑soluble vitamin C derivative and a solid peptide complex in a silicone-rich, fragrance‑free base, justifies a high efficacy score, but the lack of heavy barrier lipids and the high retinoid load mean results come with a real risk of peeling and sensitivity if you don’t ramp up slowly.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
RetinolTetrahexyldecyl Ascorbate
A Tier: Good BasicsProven Results
Water (Aqua)DimethiconeGlycerinDimethicone CrosspolymerCeramide 2 (Ceramide NG)Sodium HyaluronateTocopheryl AcetateLecithinCaprylic/Capric TriglycerideHydrogenated Lecithin
B Tier: Supporting IngredientsPromising Ingredients
Butylene GlycolIsononyl IsononanoateCastor Isostearate SuccinateGlyceryl StearateC12-15 Alkyl BenzoatePEG-33Polysorbate 20Behenyl AlcoholPalmitoyl OligopeptidePalmitoyl Tetrapeptide-7Dipotassium GlycyrrhizateAcetyl Dipeptide-1 Cetyl EsterPhospholipidsCaprylyl GlycolHexylene GlycolPEG-8PEG-8/SMDI CopolymerCarbomerXanthan GumSodium HydroxideDisodium EDTAPhenoxyethanol
C Tier: Marketing IdolsHype | Limited or Weak Data
Glycyrrhiza Glabra (Licorice) Root ExtractSalix Alba (Willow) Bark ExtractAvena Sativa (Oat) Kernel ExtractArctium Lappa (Burdock) Root Extract
D Tier: Potential IrritantsBe Cautious
Ethylhexylglycerin
Analyze on DemythSkin

DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.