RT Book, Section A1 Baumann, Leslie SR Print(0) ID 1174541565 T1 Dimethicone and Silicones 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=1174541565 RD 2024/04/19 AB Activities:Occlusive, emollient, skin protectant, antifoaming agentImportant Chemical Components:The chemical formula for dimethicone (also known as polydimethylsiloxane or PDMS) is CH3[Si(CH3)2O]n Si(CH3)3 where n is the number of repeating monomer units [molecular formula = (C2H6OSi)n]. Silicon dioxide (silica) is the base material from which silicones are derived. Silicon is element number 14 on the atomic chart (see Figure 18-1).Origin Classification:Laboratory made from natural ingredientsPersonal Care Category:Hair conditioner, moisturizerRecommended for the following Baumann Skin Types:All 16 skin types can use these ingredients.