Biotin

Biotin is also called D-Biotin or vitamin H or vitamin B7. Biotin supplements are often recommended as a natural product to counteract the problem of hair loss in both children and adults. Increasing dietary biotin has been known to improve seborrheic dermatitis. Diabetics may also benefit from biotin supplementation.

Function:

1)Biotin(Vitamin H ) is the essential Nutrients of the retina,the Biotin deficiency could cause the Dry eyes, keratization, inflammation, even blindness. 
2) Biotin(Vitamin H) can improve the body's immune response and resistance.
3) Biotin(Vitamin H) can maintain normal growth and development.