People’s skin can become inflamed when they wear cosmetics because a molecule in the skin triggers an immune response – but the reaction may be reversible
Source:
https://www.newscientist.com/article/2228952-a-molecule-in-your-skin-may-explain-why-some-cosmetics-cause-rashes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home