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.
Patchouli essential oil is also considered a great remedy for eczema. 11) Myrrh. Myrrh essential oil is perfect for skin conditions that lead to dry, chapped, itchy skin. Use myrrh if youâre suffering from eczema or a fungal infection. Hives, which is characterized by itchy, raised, red bumps on the skin is easily treated with myrrh essential oil. 12) Tea Tree Oil Tea tree essential oil is commonly used to treat skin conditions and ailments.