A drop of Stem Organics serum does your summer skin good by calming hyperactive pores dealing with daily doses of smog and sweat. It’s formulated for the anti-aging beauty buyer, but a rich recipe of stimulating ginkgo and energizing Banksia essence works just fine on folks without a care for Father Time. $42, Pir Cosmetics, 25 Bellair, 416-513-1603, stemorganics.com.