Vegetable glycerin is used in a number of personal and hygiene products and is also available as an oil supplement in liquid form. Glycerin is a plant extract that is thick like syrup, has no aroma and has a sweet taste, according to Botanical.com. Glycerin for use as vegetable glycerin is often derived from plants like coconut or palm. The product is used in shampoos, soaps, toothpaste and herbal remedies. Understanding the dangers of vegetable glycerin enables consumers to make wise choices regarding their household products.
Skin Irritation
Skin lotions and products containing vegetable glycerin may cause redness and irritation for some users. According to the label from one brand, Now Foods Vegetable Glycerin, found on iHerb.com, the product is to be discontinued if any such irritation develops.
Allergic Reaction
Any individual allergic to palm or coconut oil (or their extracts or byproducts) should be wary of products containing vegetable glycerin. Some products containing vegetable glycerin also contain preservatives to extend shelf life, states HealingWell.com, such as sulfite preservatives, which may also trigger allergic reactions.
Labeling Misconceptions
According to National Health Federation, glycerin is used an an emollient and a humectant, or key ingredients to lotions and shampoos to help keep creams and lotions retain their moisture. However, unless a product specifically states that glycerin comes from coconut or vegetable sources, it may actually be a product of pig fat, and when combined with disterate, or stearic acid, may actually be quite caustic or irritating to the skin.
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