At Per Purr, we never deprive sensory quality for the results. So our gels, regardless of sulfates, make an extraordinary thick foam. Biological Technology Vegetable cleaning agents (surfactants) do their job gently. They are biodegradable and all their components are derived from renewable and sustainable natural resources (derived from plants). Multifunctional preservative. Our protection system is completely free of typical preservatives and biocides. Through multifunctional agents derived from coconut, we achieved excellence in effectiveness against fungi and bacteria while providing hydration, conditioning and emollience. Sorbitol A plant-based sugar that creates a protective layer that provides hydration, softness and lubrication. It is a conditioning agent that prevents moisture loss from both the scalp and hair. An alternative to the petrochemical mono-propylene glycol.