Giovanni Biotin & Collagen Hair Strength Styling Serum 81ml

A vitamin-rich treatment ideal for thin hair, the Giovanni Strength Styling Serum promotes thicker, fuller-looking lengths.Powered by a blend of collagen and biotin, the formula visibly fortifies the strands, while helping to add lustrous volume. The multi-purpose serum also smooths the appearance of flyaways and adds definition to your style.