MD Life Vegetable Glycerin Liquid Oil. Vegetable Moisturizing Glycerin acts like a sponge to draw moisture into the skin and slows down water evaporation This can help keep skin hydrated especially in the winter Protecting Glycerin can protect the skin from bacteria and environmental pollutants It can also help repair damaged skin and protect it from infections Healing Glycerin can help soothe and heal skin conditions like scratches cuts blemishes burns itching hives rashes sores eczema and psoriasis Anti-aging Glycerin can help the skin feel softer and smoother which may reduce signs of aging Sun protection Glycerin can help protect against the harmful effects of UV radiation Humectant Glycerin is a natural humectant which means it attracts water. Glycerin is a transparent, colorless, and unscented viscous liquid.