What it is
Pantothenic acid is the acid form of vitamin B5 and is closely related to panthenol, its widely used provitamin derivative. In cosmetics it conditions and hydrates the skin and contributes to a smooth, comfortable surface. It is commonly added to sunscreens and moisturizers as a gentle supporting ingredient.
Safety & warnings
Pantothenic acid and its relative panthenol are well tolerated and are often chosen for their gentle, soothing character. Adverse reactions are uncommon, making it suitable for a wide range of skin types.
Origin & sourcing
It can be produced synthetically or by fermentation; the same vitamin occurs naturally in many foods and in the body as part of normal metabolism.
Questions everyone asks
Is pantothenic acid the same as panthenol?
They are closely related: pantothenic acid is vitamin B5, and panthenol is its provitamin form that converts to it in the skin. Both are used for conditioning.
What does vitamin B5 do in sunscreen?
It conditions and hydrates the skin, helping the product leave a soft, comfortable finish.