J-Cain Cream 29.9% Volume: 500g Ingredients of J-Cain Anesthetic Cream 29.9% Lidocaine (KP): 29.9% – A potent local anesthetic that effectively numbs the skin by blocking pain signals at the nerve endings, providing significant pain relief during various medical and aesthetic procedures. Methylparaben: 1% – A preservative that prevents the growth of harmful bacteria and mold in the cream. Carbomer: – A thickening agent that helps stabilize the formulation and improve the texture of the cream. Propylene Glycol: – A humectant that retains moisture in the skin and enhances the absorption of the active ingredients.