I urge everyone to bookmark that blog; it is always a fascinating tour of the weirder and wonderfuller places on our planet. And let me leave you with this simply jaw-dropping video of undulatus asperatus in action.
(A sunscreen with a physical block like titanium dioxide or zinc oxide can be applied last, after a serum or moisturizer.) Apply a serum next and, finally, moisturizer if you need it. Polis also recommends serums or sunscreens with moisturizers built in because they save time.
In the MyChelle regimen we recommend using your serum before your moisturizer. You see, serums are highly concentrated and fast-penetrating fluids designed to target specific skin concerns. If you apply your serums over your moisturizers, you wonât get as many benefits.