It is a supplement product containing borage oil- biotin- B2- B6- B5- C- E vitamins- fish oil- carrot extract- rosemary extract- zinc- acerola extract and brewer's yeast. The product is not a medicine - it is a supplement. It is recommended to use 2 capsules every day for 4 months for hair and 2 capsules every day for 2 months for nails.