Ingredient

Betaine

Gentle hydrator from sugar beets that can reduce the sting of other ingredients.

What it does

Hydrates

Evidence

Evidence: Moderate · Some good studies; results vary from person to person.

Often chosen for

Dry, tight-feeling skin, Skin prone to redness

Skin types

Dry, Oily, Combination, Normal, Sensitive

Typical amount

1-5% in a formula

Best time

Morning or evening