BIOSILK SILK THERAPY CONDITIONER 12oz BioSilk Silk Therapy Conditioner with botanical extracts and herbs is ideal for all hair types and leaves hair healthy and manageable. Silk protein penetrate hair to condition and create incredible shine. UV filters protect hair from damaging UVA/UVB rays. DIRECTIONS After shampooing, apply conditioner and work evenly through hair. Leave in for up to 5 minutes. Rinse thoroughly. Use with BioSilk Silk Therapy shampoo. Not tested on animals.