C. Apinuntham, J. N. Ng, C. Yan, and R. Wanitphakdeedecha, “Efficacy of Micro Vibration Cleansing Device Compared with Conventional Facial Cleansing Method in Asian Skin: A Randomized Split-Face Clinical Trial”, Thai J Dermatol, vol. 36, no. 4, pp. 177–185, Dec. 2020.