The viral TikTok (or #BeautyTok, to some) trend, “retinol sandwiching,” is one of the hottest trends in the beauty industry?over 22.5 million views and counting.
But how does it work and how do we do it"
Janna Ronert, IMAGE Skincare founder and esthetician, describes the skincare technique as ?using a layer of moisturizer before ...
