This advanced serum combines b.r.y.t.e.r. biotechnology, featuring ingredients optimized to target stubborn discoloration and AHAs for enhanced resurfacing, with patented TAP biotechnology found in our best-selling antioxidant serum. TAP biotechnology targets internal free radicals, helping to minimize the visible effects of oxidative stress, such as dark spots and uneven skin tone. Experience visibly b.r.y.t.e.r., more even skin in as early as 8 weeks.