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[ DemythSkin Verdict ]

Trinny London Plump Up Peptide + HA Serum
SerumAnti-Aging
Efficacy
Strong
4.0 / 5.0
Safety
Excellent
4.9 / 5.0
System Verdict
This is a well-built hydration-and-peptide serum, not a miracle anti-aging treatment. The formula earns a strong efficacy score because it front-loads classic humectants like glycerin, sodium hyaluronate, betaine, and multiple peptides in the first half of the INCI, which supports real hydration and some firming potential. It does not score higher because peptides are inherently concentration-sensitive and the formula does not include a proven heavy-hitter like retinol, vitamin C, or acids; its performance depends mostly on hydration plus a multi-peptide support system rather than a clinically dominant single active.
Active Ingredients Detected
A Tier: Good BasicsProven Results
WaterGlycerinSodium HyaluronateBetaineXylitylglucosideAnhydroxylitolXylitolLecithin
B Tier: Supporting IngredientsPromising Ingredients
Pentylene GlycolHydrolyzed Wheat ProteinOligopeptide-78Palmitoyl Decapeptide-21Zinc Palmitoyl Nonapeptide-14Hexapeptide-9Decapeptide-21Oligopeptide-1SucroseGlucoseButylene GlycolHydroxyacetophenoneSodium Hydroxide
C Tier: Marketing IdolsHype | Limited or Weak Data
Plankton Extract
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DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.