OGX Biotin & Collagen Volumising Shampoo – 385ml. ✔ OGX Biotin & Collagen Volumising Shampoo – 385ml. ✔ 1 × OGX Biotin & Collagen Volumising Shampoo – 385ml. Give your hair the appearance of fuller, thicker-looking strands with OGX Biotin & Collagen Volumising Shampoo.
