Question: Does propylene glycol cause badness to our skin?

In this post, seventh77 asks: I’ve come across various “organic skin care” blog-type sites that claim propylene glycol “denatures” skin and causes it to age prematurely and sag. Is there any truth to that? I answer the question in the comments in the post, but the short answer is no, there’s no truth to these claims. … Read moreQuestion: Does propylene glycol cause badness to our skin?