Water and softness

Betaine

A water-binding compound first found in sugar beet; skin cells use it too, to hold on to water.

  • Draws in moisture
What it does
Used in toners, essences and creams as a humectant that draws in water, and in cleansers to keep skin comfortable after washing.
How often
As each product's directions say, from daily toners and creams to occasional masks and hair treatments.

Last reviewed