Ahhh menthol, that magical ingredient that makes you tingle. It is a compound that can be created synthetically, or made from peppermint or other mint oils. It works by triggering cold-sensitive receptors in your skin, hence that icy sensation you get from menthol shampoo in a hot shower.
Here are some products that you should stock your bathroom with if you love menthol!
[All photos courtesy Amazon]