An effective and gentle anti-aging serum.Without water, Granactive Retinoid Serum 5% Concentrate in Squalane contains a 5% concentration of an advanced retinoid active complex. Formulated with plant-derived squalane, this lightweight solution provides the same positive anti-aging results while working to fade fine lines and wrinkles without causing any irritation. Looking for a less concentrated product? Try the 2% Granactive Retinoid Emulsion here or the 2% Granactive Retinoid in Squalane.