The Art of Cleansing
Martha Joy Bruan-Tapales, RPh, MD, FPDS
Head, PDS Committee on Public Safety and Professional Competency
Liquid cleanser or bodywash is a combination of anionics, amphoteric, and notions surfactants mixed with silicone. A study done by Keane et. Al on Chinese herbal creams showed that liquid cleanser can remove bacteria by 85% versus bar soap with 65%. This is because of the low ph level of the cleanser enabling it to maintain skin’s ph at physiologic level coupled with the activity of the surfactant emulsifying these bacteria and washing them off. Emollients are also incorporated in this type if cleanser making it milder and far less irritating than bar soaps.
Cold cream or cleansing balm, which is commonly used to removed makeup, contains surfactant or emulsifier mixed with a lipid solvent.
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- Walters R, Mao G, Gunn ET, Hornby S. Cleansing formulation that respect the skin barrier integrity. Dermatology Research and Practice. August 2012.
- Lambert H, Plessis S, Bloem A, Prong H, Et al. Natural skin surface pH Is on average below 5, which is beneficial for its resident flora. International Journal of Cosmetic Science. 2006; 28(5):359-70