Achieve radiant, youthful skin with Obagi Professional-C Serum 20%. This powerful 1 fl oz (30 ml) facial serum is formulated with a potent concentration of 20% L-ascorbic acid (vitamin C), delivering exceptional antioxidant protection and brightening benefits. Designed to enhance skin tone and texture, this serum helps reduce the appearance of fine lines and wrinkles, leaving your complexion looking smoother and more vibrant. Lightweight and fast-absorbing, the serum penetrates deeply to boost collagen production and promote a firmer, more resilient appearance. Ideal for all skin types, Obagi Professional-C Serum 20% works effectively to revitalize and rejuvenate your skin, providing a luminous glow and a youthful radiance. Make this serum a staple in your daily skincare routine for visibly improved, healthy-looking skin.