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.
Talk to your doctor if your skin is very dry and itchy. Here are some ways to help dry, itchy skin: 1  Use moisturizers, like lotions, creams, or ointments, every day. 2  Take fewer baths and use milder soap. 3  Warm water is less drying than hot water. 4  Donât add bath oil to your water.