Ingredient
Pantolactone
D-Pantolactone
Pantoyl lactone
Pantothenic acid lactone
What it is
A lactone derivative of pantothenic acid (vitamin B5), used as a humectant and skin-conditioning agent.
How it works
Attracts and holds moisture at the skin surface while providing conditioning B-vitamin-related benefits.
What it does
Humectant
Skin conditioning
Concerns to know
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Barrier & hydration support
A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.