Polyglycerin-6 Good Humectant Hydration Polyglycerin-6 at a glance Synthetic glycerin polymer composed of six repeating glycerin molecules Best known for its humectant properties Helps skin attract and retain water to boost hydration Promotes a plump, dewy look Polyglycerin-6 description Polyglycerin-6 is a synthetic humectant and glycerin polymer that helps hydrate the skin. It does so by attracting water to the skin’s surface. Through proper hydration, humectants like polyglycerin-6 work to give the skin a plump, healthy, dewy look. Usage levels of polyglycerin-6 in skin care range from 2–10%, with amounts of 2% or less also used in hair care to help stabilize foaming agents. Related ingredients: Glycerin