Concentrate against imperfections for combination and oily skin. Teen Derm K Concentrate helps reduce blemishes and blackheads with the combination of Alpha-Pure complex and powerful keratolytic ingredients. It has a light and non-greasy texture. Usage Recommendation: Apply to clean skin all over the face every evening. There may be a slight itching. Avoid contact with eyes. Use appropriate sun protection during and for a week after the treatment. Not suitable for children under 3 years of age.