Keratin Hair Growth Vitamin (500mg per Serving, 120 Pills) Keratin Hair Treatment for Men and Women (Vital Protein for Hair, Skin, and Nails) Vitaminas para El Cabello, Vegan Safe by Double Wood

Keratin (Keratina) is a vital protein for healthy hair skin and nails. It is the foundation of hair and makes up the hair shaft. As we age, people experience lower levels of Keratin leading to a deterioration of flexibility, and stability in the hair shaft. This makes your hair susceptible for dryness and breakage. Supplement with the Keratin protein. One study showed supplementing with 500mg of Keratin daily may help support hair strength by 47% and nail strength / smoothness / whiteness by up to 80% Double Wood's Keratin hair growth supplement is Manufactured and Tested in the USA, Non-GMO and Gluten Free.