Folic Acid
INCI: Biotin
Reviewed by Emma · Last updated 18 Aug 2026
Also known as: Biotin, Cyanocobalamin, Niacinamide, Pantothenic Acid, Pyridoxine, Riboflavin, Thiamine, Yeast Polypeptides
Essential B vitamin for cellular health
Addresses
EWG Safety Score
What Is Folic Acid?
Folic Acid, also known as Vitamin B9, is essential for DNA synthesis and cell division. In skincare, it supports healthy cell production and may help protect against UV damage when combined with other antioxidants.
This vitamin plays a role in maintaining the skin's natural processes and has been studied for its potential protective effects against sun damage. It works well in combination with other B vitamins and antioxidants.
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Folic Acid is a variant of Biotin, the form you will most often see on an ingredients list.
A B-complex vitamin that supports skin barrier function and scalp health
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