Muliadi, R., Vica Aspadiah, Suryani, Wa Ode Sitti Zubaydah, Fery Indradewi Armadany, & 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), 14–19. https://doi.org/10.23960/jpnar.v1i1.pp14-19