Not sure it was doing anything beneficial for my skin... very sticky and didn't like the smell. Was told to use it at night. Anyway the label says it still works fine even if it turns dark from oxid...
I really like it! It feels very smooth and it is very cool and comfortable on my shin, which can be oily and acne-prone, but withthis does not get shiny or greasy. I use #4 on my olive-y skin. I do...