Muliadi, R., Vica Aspadiah, Suryani, Wa Ode Sitti Zubaydah, Fery Indradewi Armadany and Purnama Alia Rizki (2025) “Optimization of a Niacinamide Moisturizing Cream Formula Using a Combination of Virgin Coconut Oil and Tea Tree Oil as the Oil Phase”, Journal of Pharmaceutical and Natural Resources, 1(1), pp. 14–19. doi: 10.23960/jpnar.v1i1.pp14-19.