Target the appearance of even advanced signs of skin aging including deep wrinkles, stubborn dark spots, firmness, and elasticity with Neutrogena Rapid Wrinkle Repair Retinol Pro+ .5% Power Serum. This powerful anti-aging facial serum instantly provides softer, smoother and, see improved look of wrinkles, dark spots and firmer-looking skin in two weeks. The potent anti-wrinkle face serum contains Neutrogena's highest concentration of 0.5% pure retinol, a dermatologist-proven form of Vitamin A, and is gentle on skin to deliver potent retinol without irritation. Designed to be used once daily after cleansing and before moisturizing, this skin-nourishing anti-aging retinol serum is paraben-free, mineral oil-free, dye-free, and non-comedogenic, so it won't clog pores. Facial serum is recommended for retinol users and not beginners.