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Glycerin

GlycerinHydrator

Cheap, ubiquitous, well-tolerated humectant. The workhorse moisturizing ingredient.

What it does

Glycerin draws water into the stratum corneum and is one of the most studied skincare ingredients in existence. Tolerance profile is excellent. Common in everything from drugstore cleansers to high-end serums.

Pairs worth knowing

This page is public and indexed on purpose (unlike profiles and drops, which are unlisted) — it’s the citation behind shared ingredient cards, and it should be findable.
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