Travel Size Silk Therapy Original - BioSilk Silk Therapy is the original weightless, leave-in silk replenishing and reconstructing treatment to repair, smooth and protect all hair types. Now in travel size.BenefitsFills voids in cuticle to create smooth hairLeave in replenishing & reconstructing treatmentIdeal for all hair typesAids in preventing split ends, provides incredible shine - Travel Size Silk Therapy Original