Ratmelya, D.S., Reveny, J. and 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) (Oct. 2022), 74–82. DOI:https://doi.org/10.15587/2519-4852.2022.265402.