Arief Huzaimi Md Yusof, Siti Salwa Abd Gani, Uswatun Hasanah Zaidan and Mohd Izuan Effendi Halmi 2022. Design and Development of Topical Gel Bases Formulation of Cocoa (Theobroma Cacao) Shell extract for Hair Gel . Journal of Advanced Research in Applied Sciences and Engineering Technology. 28, 1 (Sep. 2022), 139–148. DOI:https://doi.org/10.37934/araset.28.1.139148.