Regulation Concerns Nanotechnology in cosmetics is a very new topic as of my most recent update, and regulations in many nations may not have kept up to address the particular difficulties and potential concerns involved with Nano cosmetics.1
References
1Alnuqaydan AM. The dark side of beauty: An in-depth analysis of the health hazards and toxicological impact of synthetic cosmetics and personal care products. Frontiers in Public Health. 2024-08-25;12. doi:10.3389/fpubh.2024.1439027