Nutritive cream for brittle and damaged nails the nail plate is composed of three layers it is naturally the visible outer layer that is particularly sensitive to outside elements and can very easily be dried out by too much sun cold weather or detergentsnailactan is composed of essential amino acids lipids and keratobalancing vitamins its nourishing and moisturising action restores elasticity to the nail plate improves its general condition and makes nails more resistant to splitting how