A fast debrief: There are three fundamental sorts of moisturizers. The primary is humectants, which embrace hyaluronic acid and glycerin, for instance. These moisturizers pull water into the floor of the pores and skin (therefore, why you need to apply your physique lotion to damp pores and skin, so the humectants have a better time drawing in hydration). Then you may have emollients that assist soften the pores and skin and make it really feel extra snug by filling in cracks. A couple of examples embrace ceramides, shea butter, and sure oils.
The final one, nevertheless, is what we’re specializing in right now—occlusives. These seal in moisture and act as a water retention barrier (aka, they assist forestall TEWL). Conventional occlusives embrace thick ointments (like petrolatum-based topicals), however botanical oils serve an identical perform.