ZO Skin Retinol Skin Brightener 1% is a professional-grade skincare treatment containing 1% retinol to help brighten skin tone, reduce signs of aging, and improve overall skin texture. This clinically-proven formula comes in a 50ml airless pump bottle for optimal product preservation and dispensing. Key features: • Contains 1% pure retinol concentration • Helps brighten and even skin tone • Reduces appearance of fine lines and wrinkles • Professional-grade formula • 50ml airless pump packaging for product stability • Clinically proven results This product is part of the ZO Skin Health line developed by Dr. Zein Obagi. The 1% retinol concentration makes this a potent formula that should be introduced gradually into your skincare routine. For best results, use in the evening and always follow with broad-spectrum sunscreen during daytime hours. The airless pump design helps maintain the stability and efficacy of the retinol ingredient.