Our Onion Biotin Rosemary Shampoo Set contains onion extract, biotin, and rosemary extract.It nourishes and protects the hair, as well as improves the health of the hair follicles, promotes hair growth and enhances the natural shine of the hair.It is very simple to use: first wet your hair with warm water, take the right amount of shampoo in the palm of your hand, rub it into a foam, and then apply it to your hair, gently massage your hair and scalp with your fingertips, rinse your hair and scalp with lukewarm water until all the foam is rinsed out, and then take the right amount of hair conditioner and evenly apply it to the ends of the hair, so that the conditioner is evenly distributed, and then put on a shower cap and wait for 3 minutes, and then finally rinse out the conditioner with lukewarm water!Simply.Helps strengthen the scalp while cleansing the hair and improves shine.