serum dripping from a pipette into a bottle close-upin female hands . a drop of care product dripping into a bottle

aroma aromatherapy aromatic background beauty bio body bottle care chemical clear close-up close-upin closeup cosmetic cosmetics dripping drips drop dropper equipment essence essential extraction female for fragrance from glass hair hands healing health herbal into lab laboratory liquid macro measure medical medicine natural oil organic perfume pipet pipette product science scientific serum skin skincare test transparent treatment water