The Ordinary Vitamin C Suspension 23% + HA Spheres 2% is a high-strength, water-free vitamin C serum designed to brighten and even out the skin tone. This 30ml formula contains 23% pure L-ascorbic acid, a potent antioxidant that helps to protect the skin against environmental damage and promote collagen production. The addition of hyaluronic acid spheres further boosts the serum's hydrating properties, helping to plump and smooth the skin. With regular use, this serum can help to reduce the appearance of fine lines, dark spots, and other signs of aging, leaving skin looking more youthful and radiant. It is recommended for use once a day, ideally in the evening, after cleansing and toning.