SHOULD I TAKE BIOTIN FOR HAIR GROWTH? You may take a biotin supplement if you choose. The vitamin, Biotin, can be found in many beauty products because it is associated with improving hair, skin and nails. Although biotin is not necessarily used to stimulate new hair growth, it can be used to renew the existing follicles and roots creating stronger, fuller hair. Therefore, it is not uncommon for your Dermatologist to recommend taking a biotin supplement. Biotin, is one of the