The AHA program includes products for specific skin care. Under the effect of fruit acids, stratum corneum becomes thinner, softer and finer – a fascinating effect. They have an emollient effect, increases the moisture of the skin, stimulates the production of cells in the stratum granulosum, which leads to an increase in the thickness of this layer. Collagen production was stimulated and blood circulation improved. The number of arms decreases, and increases the number of live epidermal cells. Hyperpigmentation is eliminated, the depth of fine wrinkles decreases, it increases elasticity, appearance and quality – texture of the skin.