<![CDATA[Excessive sun exposure can reveal harmful effects on the skin. One way to prevent these effects is by using Kepundung (Baccaurea racemosa) a plant known for its antioxidant properties. Several studies have shown that the antioxidant activity of kepundung leaf extract has a very strong IC50 value, making it potentially a sunscreen. However, research on the Sun Protector Factor (SPF) value of kepundung leaf extract has not been reported. Therefore, this study will conduct to determine the SPF value of the extract. Compound extraction will carry out using the sonication method with methanol solvent. The extract obtained was analyzed for SPF value using UV-Vis spectrophotometry and the SPF value will calculated using the Mansur formula. The various concentration of kepundung leaves extract revealed various SPF from minimal and ultra protection. Kepundung leaves extract with concentation 500 ppm have ultra protection with SPF value 15.19. The Kepundung leaves can to be developed as natural SPF.]]>
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