OTZI C-Drip Vitamin C Brightening Serum Boost skin's glow thanks to the antioxidant-rich fruits (like green plum and ginseng berry) alongside the vitamin C in this OTZI C-Drip Vitamin C Brightening Serum ($35). Image Source: sephora.com OTZI C-Drip Vitamin C Brightening Serum $35 from sephora.com Buy Now