Glycerin as a humectant, works to absorb the moisture from the air into the skin’s outer layer. It is also used to treat many oily skin conditions, like acne, skin infections, wrinkles and fine lines. Due to its dual ability, Glycerin acts as protectant by retaining the outer layer of the skin intact. This layer is critically needed to work as a natural barrier to save your skin from pollutants and skin disease causing bacteria.
