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 Optimization of Formula and In Vitro Activity Testing of O/W Lotion Cosmetic Formulations Containing Ethanol Extract of Cat's Whiskers Leaves (Orthosiphon aristatus) as Sunscreen.
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Available at: &lt;<a href="https://journal.itera.ac.id/index.php/ijcos/article/view/1809" target="_new">https://journal.itera.ac.id/index.php/ijcos/article/view/1809</a>&gt;. Date accessed: 03 july 2024.