Strength & Shine | Leave In Conditioner | Biotin & Collagen Not only does it detach and smoothen hair, but it also enhances its natural shine. Its specially chosen ingredients infuses it with Biotin & Collagen, which also increases its heat resistance and protects hair from styling tools. It also doubles as a leave in conditioner and gives your hair a beautiful, fragrant scent. It comes in a large 400 mL size for long-lasting use. Shake it off.