Keratin Complex Keratin Care Conditioner is a daily use, keratin enriched conditioner for those with chemically treated hair and keratin treated hair.. Created with Soy Protein and Keratin Protein to help nourish hair and prevent it from becoming dry or dehydrated. Apply conditioner to wet damp hair. Apply from roots to ends. Leave on for 3 minute and rinse. Use along with Keratin Complex Keratin Care Shampoo for your best results. Can also be used by those with unruly and very dry or frizzy hair. New presentation comes in an aqua blue bottle.