Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 대부분 틀리는 '콜라겐', '세럼', '테마' 영어 발음. That video is uploaded by Aran TV at 2022-08-09T23:10:01-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [LifVV8MWlYY]