There’s a reason board-certified dermatologist Whitney Bowe’s “skin cycling” — utilizing energetic components some days and basic moisturizers on others to offer the skin “nights off” — was a top hashtag on TikTok in 2023. Skin-care routines which are heavy on active components, like retinoids and exfoliating acids, may end up in red, irritated, sensitized pores and skin. Elevai and Angela Caglia supply the exosomes of their serums from labs that use extensively pre-screened donors’ stem cells to conduct medical analysis. In these cases, the stem cells are donated after which proliferated, or grown, within the lab before they go …