Is Pure Glycerin Harmful to the Skin?

Written by kc hernandez | 13/05/2017
Is Pure Glycerin Harmful to the Skin?
Glycerine may dry skin. (Image by, courtesy of Katie Tegtmeyer)

Commonly used in personal care products as an emollient, glycerine has many benefits for household and internal use. It's also frequently marketed as a moisturiser by itself. Pure glycerine, however, can have negative effects when applied topically.


Glycerine is a by-product of the soap making process. Also known as glycerine and glycerol, it is colourless, odourless, syrupy and sweet tasting. According to, pure chemical glycerine is referred to as Glycerol, which shows that it's an alcohol. Glycerol and glycerine, however, are commonly interchangeable.

Personal Lubricants

Although there isn't any conclusive research on the subject, some personal lubricant manufacturers believe that glycerine can cause, if not promote yeast infections in women who are already prone to infection. According to TresSugar, a women's resource website, yeast feeds on sugar, making glycerine on this part of the female body risky.

Skin Dryness

In humidity under 65 per cent, glycerine, applied topically, will draw moisture from the lower layers of skin and hold it onto the surface, because it's a humectant. According to, this causes the skin to dry from the inside out, making it potentially harmful in skin care products

Myth concurs that glycerine as hydrating or moisturising is a myth and what it really does is simply dry skin from the inside out. One feels temporary softness on the skin's surface after application, at the expense of the new cells in the basal layer at the bottom of the epidermis, which dry out.


According to the International Safety Cards on, glycerol's exposure to skin may cause the "Acute Hazard/Symptom" of dryness and protective gloves should be warn when handling it and is easily removed with water or showering.

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