The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% is a water-free, stable solution that combines two powerful brightening ingredients. This serum features pure L-ascorbic acid (Vitamin C) and alpha arbutin to target uneven skin tone, dark spots, and hyperpigmentation while providing antioxidant benefits. Key features: • Contains 8% pure L-ascorbic acid (Vitamin C) • Features 2% alpha arbutin for skin brightening • Water-free, stable solution • Targets uneven skin tone and dark spots • Provides antioxidant protection • Comes in UV-protective amber bottle This serum is formulated without water to maintain the stability of both active ingredients. The amber glass bottle helps protect the formula from light degradation. For best results, apply a few drops to the face in the evening after water-based treatments. Due to the high concentration of active ingredients, it's recommended to patch test before first use. Store in a cool, dark place to maintain efficacy.