August 25, 2020
Cosmetic chemists historically have tried to mimic sebum, the skin’s own surface oil, to derive some of its assumed benefits. Ironically, there is no real benefit to sebum. Another cruel “fact”: The claim that sebum (or oil) is necessary for moisturizing the skin is misleading. Children do not produce sebum, yet enjoy moist skin.Sebum doesn’t even prevent wrinkles. Wrinkling or aging of the skin is a reflection of accumulated sun damage and hereditary programming. Whatever its original purpose, sebum’s various chemical components, such as wax esters and fatty acids, are troublesome.Yet many cosmetics contain these same highly irritating fatty acids, such as stearic acid. Even worse, many cosmetics contain chemical derivatives of these fatty acids, such as isopropyl myristate or butyl stearate, which are even more potent than their parent fatty acids.It is not necessary to understand these chemical names or know how to pronounce them, but it is necessary to avoid them to have clear skin. (Actually, that is the key thing to remember: If you can’t read it, understand it, or pronounce it, it’s probably bad for you.) Check all ingredient labels when purchasing cosmetics.
Pay special attention to the ingredients listed below.
Lanolin, Isopropyl myristate. (There are many different analogs (similar forms) of isopropyl myristate; steer clear of these ingredients too: Isopropyl palmi tate, Isopropyl isostearate), Butyl stearate, Isostearyl neopentanoate, Myristyl myristate, Decyl oleate, Octyl stearate, Octyl palmitate, Isocetyl stearate, PPG2 myristyl propionate
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