Evaluation of Skin Irritation Level and Effectiveness of Foot Sleeping Mask Containing Tengkawang Fat in Nanostructured Lipid Carriers System. JFM [Internet]. 2025 Apr. 30 [cited 2025 Jun. 27];7(2):284-92. Available from: https://ejournal.medistra.ac.id/index.php/JFM/article/view/2608