BlueNWhiteDry/SensitiveI'm not sure about best but this vitamin C 🍋 serum has helped me achieve a glowing radiance. Quite a few friends have complimented me 🥰 Here's my experience ⬇️ https://www.instagram.com/p/CT9SZZipRMf/?utm_medium=copy_linkDear, Klairs Freshly Juiced Vitamin Drop4.4(1302)78010theartofskincarettDry/SensitiveVitamin C is my best brightening serum https://www.instagram.com/p/CTJ5SGWreQn/?utm_medium=copy_link10MiftahRachmaOily/SensitiveThis is ❤TIAM Vita B3 Source4.6(1272)141010