Previously known as the Thickening Shampoo, the American Crew Fortifying Shampoo is a daily cleanse for thinning hair. It gently and effectively removes build-up, while leaving the hair soft, clean and thickened. Contains Keratin Amino Acids and Vegetable Proteins to volumise hair. Contains Hyaluronic Acid to hydrate hair and scalp. Thickens and strengthens hair with long term use. Gently removes product build-up and cleanses the scalp Ideal for fine or thinning hair. Made in USA