SERMIX AMERICAN GOLD GEL KERATIN IS 1000 ML - IT IS SMOKE-FREE - PROVIDES 6 MONTHS GUARANTEED PERMANENCE - NOURISHES THE HAIR AND REPAIRS IT BY RE-STRUCTURING BENEFITS OF KERATIN: Keratin is a very important protein found in our hair. However, over time, we can lose the keratin in our hair. Keratin deficiency causes hair loss at an early age. To summarize briefly, keratin is as important for our hair as blood is for our body. Constant application of shampoos, conditioners and other care products depletes the keratin in the hair due to the chemicals they contain. This causes the hair to become dry and frizzy. Since keratin treatment is a naturally formulated method, there is no risk of chemical exposure. Keratin treatment is done to repair damaged hair and maintain the health of your hair. Keratin also helps your hair maintain its shape and volume.