Glycerin, or glycerol, is a clear, odourless liquid derived from plant oils or animal fats. It’s a humectant, meaning it attracts moisture from the air and retains it, making it a popular ingredient ...

Many hair and skin care products have glycerin. It is added to shampoos, moisturisers, soaps and lotions among other products. Glycerin absorbs water from its surroundings and this is what makes it an ...