Uji Efektivitas Tabir Surya Berbahan Aktif Ekstrak Etanol Biji Alpukat

ABSTRACT Avocado seeds (Persea americana Mill.) contain antioxidant compounds such as phenolics and flavonoids that can neutralize free radicals and absorb ultraviolet (UV) radiation, making them potential natural active ingredients in sunscreen formulations. This research aimed to determine the optimal concentration of ethanol extract of avocado seeds in relation to its inhibitory concent…