The Ordinary Ascorbyl Glucoside Solution 12% The Ordinary Ascorbyl Glucoside Solution 12% ($13) tackles hyperpigmentation and acne scars with its 12-percent concentration of the water-soluble vitamin C derivative, ascorbyl glucoside. That ingredient is gentler on sensitive skin (versus pure vitamin C), yet still helps with overall skin brightening and even tackles redness and scarring. Image Source: sephora.com The Ordinary Ascorbyl Glucoside Solution 12% $13 from sephora.com Buy Now