Description
Renovo Patch contains capsaicin and menthol in a localized dermal delivery system. The capsaicin in Renovo is a synthetic equivalent of the naturally occurring compound found in chili peppers. Capsaicin is soluble in alcohol, acetone, and ethyl acetate and very slightly soluble in water. The menthol is slightly soluble in water.
Renovo is a single-use patch stored in a foil pouch. Each Renovo patch is 8.3 cm x 12.5 cm (104 cm2) and consists of a polyester backing film coated with a drug-containing silicone adhesive mixture, and covered with a removable polyester release liner.
The empirical formula for capsaicin is C18H27NO3, with a molecular weight of 305.42. The chemical compound capsaicin [(E)-8-methyl-N-vanillyl-6-nonenamide] is an activating ligand for transient receptor potential vanilloid 1 receptor (TRPV1) and it has the following structure:
The empirical formula for menthol is C10H20O, with a molecular weight of 156.27. The chemical compound menthol [(1R,2S,5R)-2-isopropyl-5-methylcyclohexanol ] is an activating ligand for transient receptor potential cation channel subfamily M member 8 (TRPM8). It has the following structure:
Each Relovo Patch contains 0.0375% capsaicin (0.0375 grams of capsaicin per patch) and 5.00% menthol (5 grams of menthol per patch). The Renovo patch contains the following inactive ingredients: Aloe Barbadensis Leaf (Aloe Vera Gel) Juice, Diazolidinyl Urea, EDTA Disodiumm Salt, Glycerin, Iodoproynyl Butylcabamate, Methylparaben, Polysorbate 80, Propylparaben, Sodium Polyacrylate, and Water.