Should you? Or not?

Sometimes you hear about an event just in time - that happened to me with a paper on a (hybrid) conference yesterday. I read about said conference about half an hour before the thing started, and an hour before the paper that was of special interest to me - and luckily, I got sent the link for the login really quickly, and was able to join in.

At said conference, there was mention of a TED talk about whether you should kiss with lipstick... or not.

Since it is, sort of, well, related to historical dyeing, here you go: