New, Unopened ME Master Whitening All-in-One Gel 150ml This all-in-one medicated beauty serum prevents spots and freckles caused by sun exposure and aims for whitening care. It's the 6-in-1 all-in-one gel "ME Master Whitening All-in-One Gel," developed by the charismatic esthetician Mari Funatsu. ◆ One cream with 6 functions for aging care With just one bottle: ・Lotion ・Emulsion ・Serum ・Cream ・Makeup Base ・Pack, this all-in-one gel fulfills 6 roles in one bottle.