The Dr. Jetske Ultee products are part of a 5 step plan for the daily care of skin. The products contain high concentrations of active substances such as Vitamin C, Vitamin E, Niacinamide, Salicylic Acid and Glycolic Acid. These substances can relieve symptoms such as redness, pigmentation spots, impurities and fine lines. The skin does, however, first need to get used to them. It is therefore important that all the steps are introduced gradually. This will make it easier to trace back a possible reaction to a product.