Organix Thick & Full Biotin & Collagen Shampoo thicken and texturize any hair type with just one use. This powerful formula volumizes even the skinniest strands into fuller and abundant locks. Nutrient-rich ProVitamin B7 biotin + the plump-it-up power of collagen gives each strand a beautiful boost. This dynamic duo will leave your hair thicker, fuller and looking oh, so healthy.