0 a B vitamin (= one of a group of natural substances necessary for good health) found in foods such as eggs, liver (= an animal organ), and yeast (= a fungus that makes bread rise). It helps the body use fats and carbohydrates and is important for healthy hair, nails, and skin: --
Also known as vitamin H, biotin is one of the B complex vitamins that help the body convert food into energy.
A deficiency of vitamin H can lead to multiple symptoms, including depression, hallucinations, muscle pain, and dermatitis.
The active ingredient of the suncream (Vitamin H, basically) binds to the keratin of the skin.
Vitamin H or biotin has been described as the most powerful of all the vitamins.