XHC Biotin & Collagen Thickening Shampoo 400ml is a luxurious shampoo that promotes hair thickness and strength. This shampoo helps improve the look of your hair by infusing it with the ideal combination of biotin and collagen, giving it a voluminous push. The potent combination of collagen and biotin, is known for its ability to provide suppleness and strength to the hair, promoting healthier, thicker strands. This shampoo gives your hair new life, making it feel nourished, manageable, and noticeably thicker after regular usage.