Arganicare Biotin shampoo was created to revitalize and strengthen hair that is weakened, delicate and damaged by chemical treatments. The formula rich in biotin (vitamin B7) and amino acids will make your hair stronger, thicker and healthier at first glance. Biotin supports the reconstruction of hair fibers, stimulates their growth and strengthens the structure, while vitamin B5 and luxurious argan oil deeply nourish and regenerate. Enjoy silky soft, smooth hair full of natural shine! How to use: Apply the shampoo to wet hair, gently massage into the scalp, lather and then rinse thoroughly with water.