Nourish your hair with BioSilk Silk Therapy, the original and revolutionary silk-infused product line that strengthens, repairs and revitalizes hair while leaving it silky smooth with incredible shine. Silk contains 17 of the same 19 amino acids found in hair which: - Reconstruct damaged areas to create a smooth cuticle - Reinforce hair's strength to prevent daily damage from styling tools - Revitalize and rejuvenate hair for soft, supple, and shiny results BioSilk Silk Therapy Shampoo with botanical extracts and herbs gently cleanses hair and removes build up while leaving hair healthy and manageable. Silk proteins penetrate hair to condition and create incredible shine. Ideal for all hair types.