They stimulate the skin to produce excess sebum. The pores then clog and sebum can no longer flow off.
Skin develops an unsightly sheen, pimples and blackheads form.
Additionally, bacteria find a fertile breeding ground here, so that inflammations can occur, causing skin eruptions. Impure skin occurs not only during puberty, but also in times of extreme stress, and during pregnancy or menopause. Here too hormone fluctuations occur which lead to such unwelcome effects as impure skin. A carefully selected menu of active ingredients provides targeted response to the demands of this skin condition. Cleansing Fluid and Clarifying Lotion contain Zinc Gluconate, which has an antibacterial and sebum-regulating effect to prevent formation of impurities.