Gonçalves JAB, Pinheiro G de O, Diaz FRV. Study of the shape and angularity of abrasive particles, vegetable and mineral, to be incorporated into solid soap with exfoliating action: Kaolin, bentonite, rice microspheres, bamboo and apricot seed. Editora. Published online June 26, 2023. Accessed October 7, 2025. https://sevenpubl.com.br/editora/article/view/1698