Menthol is an organic compound, more specifically a monoterpenoid, made synthetically or obtained from the oils of corn mint, peppermint, or other mints.

Peppermint oil is promoted for topical use (applied to the skin) for problems like headache, muscle aches, joint pain, and itching.

Gingko biloba benefits for skin have been suggested to include potent antioxidant protection, skin-soothing effects, increased skin-hydration, and significant anti-aging defense.

Camphor is a powder that originally came from the bark and wood of the camphor tree. Today, most camphor is synthetic. It's in some products that are applied to the skin, including FDA-approved treatments.