There was one undeniable high note in last fall’s election results: the passing of pro-pot legislation in California, Nevada, North Dakota, Florida, Maine, Massachusetts, and Arkansas, which made some form of marijuana use—either medical or recreational—legal, or soon to be legal, in a total of 29 states. Ever since the drug began being gradually decriminalized state by state 20 years ago, entrepreneurs in areas with the most relaxed laws have seized upon the, er, growth opportunities, infusing extracts of the plant into everything from dog treats to chewing gum to bath salts. And now that it’s permissible to consume the stuff in certain bars and restaurants in Denver, we may soon have our own Amsterdam in the Rockies. This sea change in America’s attitude toward cannabis isn’t just a boon for budding Jeff Spicolis: New uses for the therapeutic herb are emerging that could revolutionize the way we treat everything from menstrual cramps and mosquito bites to acne and wrinkles.

Originally published at: Everything to Know About Topical Marijuana