FORMULATION AND EVALUATION OF Hibiscus rosa-sinensis L. FLOWER EXTRACT FACIAL SERUM PREPARATION AS AN ANTIOXIDANT: FORMULASI DAN EVALUASI SEDIAAN SERUM WAJAH EKSTRAK BUNGA KEMBANG SEPATU (Hibiscus rosa-sinensis L.) SEBAGAI ANTIOKSIDAN. fj [Internet]. 2026 July 25 [cited 2026 Nov. 13];6(02):440-51. Available from: https://ojs.unhaj.ac.id/index.php/fj/article/view/2304