Formulasi Sediaan Spray Topical Film Forming System (TFFS) Ekstrak Etanol Lidah Buaya (Aloe Vera L.) Rifa'atul Mahmudah, Nur Illiyyin Akib, Fery Indradewi Armadani Lansau: Jurnal Ilmu Kefarmasian Vol. 3 No. 2 2025 DOI 10.33772/lansau.v3i2.46