BEAUTY August 19, 2019 2 Popular Vitamin Serums! Tiam’s C Source & Red C Serum Comparison🍋Hey guys~ it’s me Aego! Today, I brought 2 Vitamin serum products which are quite well known overseas. They are -Tiam’s My Signature C Source -Tiam’s My Signature Red C Serum These 2 vitamin serums is great for brightening, livening…