Why Does Skin Feel Tight After Cleansing? It May Not Be Dryness Alone

Ph.D. in Engineering. With over ten years of experience at a major cosmetics company, he has been primarily engaged in research and development of skincare products, focusing on facial cleansers and makeup removers. He has been involved in formulation design and product performance evaluation.
His expertise lies in the cleansing mechanisms of biosurfactants derived from microorganisms, based on his academic research, and in the evaluation of their skin compatibility, as well as their application to the formulation and evaluation of facial cleansers and cleansing products. His work has centered on achieving an optimal balance between cleansing efficacy and skin gentleness.
He currently provides consulting services in cosmetic formulation development and product evaluation, and offers technical supervision while contributing to articles on cosmetic science.