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Glycerin

We look for thisReviewed September 18, 2026

Glycerol · Vegetable Glycerin

The most-studied humectant in cosmetics, and one of the oldest.

What it does
Hydration
Our take
Cheap, boring, and better than almost everything marketed above it. When you see glycerin high in an ingredient list, that's usually a sign the formula was built to work rather than to read well.
Suitable from
Tween, 8+ · Teen, 13+ · Young adult, 20+ · Middle aged, 40+
Best for
Dryness & hydration · Barrier repair · Aging & firmness
Skin types
Any skin · Dry · Oily · Sensitive · Blemish-prone

What we read

  • EU CosIng · reviewed Sep 2026

Every other ingredient, with the same treatment.

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