Aldehyde, Ketone, Carboxylic Acid Aldehyde: Aldehyde is an organic compound which contain formyl group. This functional group, in its structure R-CHO, consist of carboxyl centre bonded to R group and hydrogen.
1 Infections, bites and stings, infestations, chronic diseases, allergic reactions, sun exposure, and dry skin are among the numerous causes of itching.  Anti-itch creams and lotions containing camphor, menthol, phenol, pramoxine (Caladryl, Tronolane), diphenhydramine (Benadryl), or benzocaine can bring relief.
At home, there are several things you can do to prevent and relieve itchy skin. Try: 1  using a good moisturizer to keep your skin hydrated. 2  avoiding scratching, which can worsen the itch. 3  staying away from soaps, detergents, and other substances that contain perfumes and color dyes.