photo of a hair part with a pipette applying an acid peel or serum to the scalp

adult aging anxiety applying balance beauty beginnings biology blond brown cheek closeup colors combating concepts conditions dermatology discovery drips dropper elegance examining excess exfoliation eyebrow finger fingers gently growth hairstyle healthy hygiene includes intertwine lifestyle lifestyles liquid longhair magnification medicine merchandise microscope mouth oiliness organ parting person pipette prevention process protein rejuvenation scalp science serum shows silver smooth sparse strands studio symbolizing uncomfortable wellbeing youthful