John Masters Naturals Overnight Hair Mask is full of nutrients and moisturising ingredients which will radically transform the health, strength and suppleness of your hair. Apply the overnight hair mask before you go to bed and this amazing quality product will repair and moisturise your hair whilst reducing breakage. John Masters overnight hair mask will nourish, protect and feed you hair with the best nature has to offer leaving you with hair that is shiny and silky with the glow of professional stylist products. John Masters uses plant based keratin and crambe abyssinica in this natural treatment to gently get your hair back into peak condition.