Glycerin is naturally formed during the cold-process soap-making method. Glycerin is a natural humectant (softener and moisturizer) which helps draw and retain moisture into the skin and scalp. It is believed to penetrate hair and skin, softening and swelling it, making it water retentive.
Daily Hair Tip
If you lie on your back while you sleep this could cause hair stress leading to split ends in the back. To avoid hair stress tie hair back using a soft scrunchie band.