[1]
D. Puspitasari, D. W. A. . Cristy, and F. A. . Langu, “Optimization of PVA and HPMC in Peel-off Gel Face Mask Containing Beluntas Leaf Extract (Pluchea indica L.) Using the Simplex Lattice Design Method”, PHARMADEMICA, vol. 5, no. 2, pp. 208–220, Mar. 2026.