Kristina Holey + Marie Veronique C-Therapy Serum

The ultimate Vitamin C serum for sensitive, sensitized, or breakout-prone skin  / 1 oz Kristina Holey + Marie Veronique C-Therapy Serum is the ultimate Vitamin C for sensitive and sensitized skins. Vitamin C is one of those rare, gold-standard skincare ingredients that has stood the test of time: an excellent Vitamin C serum is a great way to provide skin with antioxidant protection, prevent hyperpigmentation, and improve collagen synthesis in one go.  But here’s the issue: l-ascorbic acid, the only active form of Vitamin C, can be a little too hard-hitting for delicate complexions. And in the past, other forms of Vitamin C haven’t been able to come close to delivering the same results. This is why we are so excited about this comprehensive, skin-problem-solving powerhouse of a C serum. It contains four Vitamin C derivatives, some of which are new, and all of which were specifically chosen to perform different tasks at different levels of the skin. Sodium Ascorbyl Phosphate clears pore