SUITABLE FOR ALL HAIR TYPES - EarthShine BIOTIN Hair Growth Oil Revitalizing Serum is designed for all hair types. If you have curly, straight, light, dark, long, or short hair, this revitalizing serum was made for you!. COMFORTABLE AND NON-GREASY - Treat your hair with active nutrients that keep them looking moisturized and healthy without looking greasy!. A PERFECT BLEND OF NATURAL INGREDIENTS - Our hair regrowth serum for women and men with its follicle-boosting natural biotin for hair that botanical ingredients and the perfect blend of natural root activators, you can finally have the hair you have always wanted!. RESTORE THINNING HAIR AND HEALTHY HAIR - Treat yourself to the BEST solution to achieve thicker, stronger, longer, softer, and overall healthier hair. Prevent further thinning. EFFECTIVE - This EarthShine BIOTIN Hair Growth Serum Revitalizing Serum has been proven to promote hair growth by rejuvenating hair follicles, giving you amazing results in the shortest amount of time! Biotin hair oil for men & women.