Ingredient Spotlight of Melia Azadirachta Leaf Extract: A tree native to India used for centuries in cooking, Ayurvedic medicine and for hair and nail care. Neem leaf is soothing and refreshing. It’s strengthening effect on keratin protein, makes it ideal for hair and nails. Neem leaf extract promotes healthy scalp and supports hair growth. Traditional Indian hair treatments use a neem tea rinse and packs of neem leaf pulp for conditioning. Poultices and washes are traditionally used for care of the skin.