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Base Ingredients

Glycerin

Moisturizing
INCI: Glycerin
In short · TL;DR
Category
Base Ingredients
Effect
Moisturizing, skin softening
Concentration
Primary data on use concentrations are unconfirmed (no figures in the CIR 2019 abstract).
Effect
Moisturizing, skin softening
Mechanism
Trivalent alcohol. Synergistic with NMF. Reports of AQP3 expression promotion
Typical concentration
Primary data on use concentrations are unconfirmed (no figures in the CIR 2019 abstract).
Onset
Immediate
Cautions
For dryness that worsens in dry, cold conditions, raising stratum corneum hydration with glycerin is considered important (Fluhr 2008 review). Primary data that it backfires in low humidity are unconfirmed.
Evidence & references
Fluhr 2008 https://pubmed.ncbi.nlm.nih.gov/18510666/ (checked 2026-10-20)
Journal

Related Journal

9
Skin-Concern SolutionsFor Those Who Feel Cream Alone Isn't Enough -- What Needs to Happen Before You "Seal"The World of Fermented IngredientsSkin microbiome and fermented ingredients — how they interactSkin Longevity CarePracticing Skin Longevity with ingredients—morning and night routinesHow to Choose a SerumThe ingredient list: what the order really tells youThe Truth Behind INCI LabelsThe front of the package is advertising; the back is the truthSkin Longevity SeriesThe Lens of Evidence Concentration — The Line Between "Contains" and "Works"Skin Longevity SeriesThe Invisible Dryness Under Air Conditioning — The Science of TEWL and Barrier FunctionSkin Longevity SeriesCeramide, the Protagonist — The Science of the Lipid That Binds the SkinSkin Longevity SeriesDesigning Moisture in Layers — Humectant, Occlusive, Emollient
This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.
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