The conditioner bars are 2 oz. They work great and last a long time. So convenient when traveling! Just rub the bar directly on the hair, especially in the ends, comb your hair, leave it on for a minute, then rinse. You may also reapply a tiny bit after you are done rinsing and leave it on. Important to keep it dry between uses. Ingredients: BTMS 25 (derived from colza oil), cetyl alcohol, cocoa butter, coconut oil, dl panthenol, vitamin E, scented with either essential oils of lavender, mint, lemon or fragrance oil of coconut, or unscented.