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Petrolatum

moisture-layer-design
MoisturizingBarrier
INCI: Petrolatum
In short · TL;DR
Category
Oils & Lipids
Effect
One of the most occlusive emollients, protecting skin from dryness and roughness.
Concentration
Depends on the level used (a few % to high loading).
Effect
One of the most occlusive emollients, protecting skin from dryness and roughness.
Mechanism
A semi-solid hydrocarbon mixture that forms an occlusive film on the stratum corneum, greatly suppressing TEWL and creating an environment for barrier recovery.
Typical concentration
Depends on the level used (a few % to high loading).
Onset
The occlusive effect is immediate upon application.
Cautions
Mind the stickiness and a sense of pore clogging; use highly refined grades.
Evidence & references
参考文献: Skin occlusive performance: Sustainable alternatives for petrolatum in skincare formulations（PubMed PMID:35038372 https://pubmed.ncbi.nlm.nih.gov/35038372/）
Journal

Related Journal

3
Skin-Concern SolutionsFor Those Who Feel Cream Alone Isn't Enough -- What Needs to Happen Before You "Seal"Seasonal & Environmental SkincareWinter skincare — protecting your barrier in a 30% humidity worldSkin 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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