Since then, with any new serums that Ive tested out, Ive only applied the serum to my top lash line and kept the bottom alone. 세럼이 얼룩이 생기면 위쪽 속눈썹만 어둡게 하고 아래쪽 속눈썹 라인은 그대로 두었습니다. This would help me look less tired and would also help save on concealer.