Related story Shoppers Say This $9 Biotin Shampoo With Over ... Since it’s packed with collagen and keratin, this treatment is an easy step to help you get any hair type back to silky soft.
Here are the best vitamins for hair growth and thickness. Biotin, also known as vitamin B7, stimulates the production of keratin to increase follicle growth. Biotin deficiencies tend to be rare ...