A few a long time ago, there were rumblings in the beauty community about the temperamental means of vitamin C serums and how they can get rid of their effectiveness if uncovered to hotter temperatures or light. Phrases like “ingredient efficacy” and “actives” turned relaxed products consumers into pores and skin care experts as we skeptically rifled by way of our toilet cabinets to see which items experienced turn into ineffective. Fearful that my individual $78 vitamin C serum experienced long gone bad, I took the guidance of magnificence influencers and dermatologists on YouTube and popped my serums in the fridge upcoming to jars of pickles and condiments. Marisa Garshick,…