BazzKering/Tidak SensitifI used Vit C during the day and retinol at night. You can also use them alternately at night. Today retinol, tomorrow Vit C30SuwyedaKering/Tidak Sensitif👍👍👍00View 1 more repliesNeginKering/Tidak SensitifNo. Use them in different routines. Vitamin C in the morning and retinol at nights 30BlueNWhiteKering/SensitifBest not to use together in the same routine! 30BGTNBerminyak/Tidak Sensitifnopeeee10DaveganpicksbymishaBerminyak/SensitifNope dear..10123