What is glycerin?
Glycerin, also known as glycerol or glycerine, is a colorless, odorless, viscous, and hygroscopic liquid that is non-toxic and non-allergenic. It is made of three carbon atoms, eight hydrogen atoms, and three oxygen atoms, giving it the formula of C3H8O3. It is also a polyol, an organic compound containing multiple hydroxyl groups, that acts as an excellent solvent.
Positive aspects of glycerin:
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Humectant: Glycerin is a humectant, meaning it absorbs water from the air or underlying layers of the skin, acting as a moisturizer. According to a 2016 study, glycerin is the most effective humectant compared to hyaluronic acid, sorbitol, urea, and alpha-hydroxy acids.
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Stability: Mixtures of glycerin with water, ethanol (95%), and propylene glycol are chemically stable.
Negative aspects of glycerin:
- Harmful if ingested or inhaled: Glycerin can be harmful if ingested or inhaled. It can also be irritating to the skin.
Ingredients or materials:
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Glycerin is a compound with the chemical formula C3H8O3.
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Glycerin is a solvent/deluents for cosmetic, flavor, and/or fragrance agents.
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Glycerin is listed on AICS, DSL, ECL, ECST, ENCS, IECSC, NZIoC, PICCS, SWISS, TSCA, EC inventories.
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Glycerin is used as a general-purpose food additive in animal drugs, feeds, and related products.
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Glycerin is used in an array of different hair and skin care products, including soap, lotion, moisturizer, toner, makeup remover, and leave-in conditioner.
