Ratmelya, D. S., Reveny, J., & Harahap, U. (2022). Test anti-aging activity in a face scrub preparation that contains coffee-grade active charcoal (Coffea arabica L.) with the addition of vitamin E. ScienceRise: Pharmaceutical Science, (5 (39), 74–82. https://doi.org/10.15587/2519-4852.2022.265402