Step 1: An innovative formula designed for thin, delicate skin that is not accustomed to acids and active ingredients. This formula is of medium strength which gently removes dead cells (corniocytes) from the upper layers of the skin (stratum corneum), accelerates the processes of normal skin cell regeneration and raises the level of moisture. These results are achieved without irritating the skin or damaging its protective layer, but by strengthening and maintaining the integrity of the epidermal and dermis layer structure. Suitable for everyday use. Step 2: An innovative, effective and extremely powerful exfoliating formula designed for normal skin for acids or thick skin. Has a high and active concentration of acids which remove dead cells (corniocytes) from the upper layers of the skin (stratum corneum), accelerates normal regeneration processes of skin cells and raises the level of moisture. These results are achieved without irritating the skin or damaging its protective layer, but by strengthening and maintaining the integrity of the epidermal and dermis layer structure. For optimal results, apply as needed and according to the level of skin sensitivity.