RT Book, Section A1 Baumann, Leslie SR Print(0) ID 1174541183 T1 Overview of Cleansing Agents T2 Cosmeceuticals and Cosmetic Ingredients YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071793988 LK dermatology.mhmedical.com/content.aspx?aid=1174541183 RD 2024/04/20 AB The primary purpose of cleansing is to remove oil, bacteria, sweat, dirt, and desquamated skin cells from the face and body. However, cleansers can react with lipids and proteins on the skin and incite keratinocytes to release cytokines, all of which can irritate or damage the skin’s surface.1,2 Surface-active substances, known as surfactants, work by reducing the surface tension on the skin and emulsifying dirt.3 There are various kinds of surfactants found in cleansers.