What is the specific function of Humectants like glycerin in moisture management products?
Answer
They draw water into the skin
Moisture management products utilize ingredients with distinct functions to combat dryness. Humectants, such as glycerin or hyaluronic acid, function primarily by actively attracting and drawing environmental or residual dermal water into the outermost layers of the skin. This action directly combats dehydration at the surface level. This differs from Emollients, which smooth the skin and repair the barrier, and Occlusives (like petrolatum), which create a physical barrier to stop evaporation.
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