It is shown the process of searching and developing the new drug from old drugs and compounds for example an alkaline isotonic gel containing hydrogen peroxide, lidocaine hydrochloride and a cationic surfactant at pH 8.4 - 8.5.It was found out that when applied to the skin in conditions of local hyperthermia, the invented gel quickly disinfects the skin, moisturizes, impregnates, steams, softens, loosens the epidermis, facilitates the removal of prickles from it and prevents local inflammation caused by nettle.Gel causes alkaline saponification and oxygen "micro-explosions" of biomaterials from cold boiling due to the conversion of hydrogen peroxide under the action of the catalase enzyme into gas oxygen and water.These numerous microbursts successfully destroy protein and protein-lipid complexes that make up such biomaterials of the skin's surface layer as epidermis cells, sweat, pus, living and dead blood cells, and microorganisms, including viruses.In addition, the gel due to lidocaine hydrochloride has a local anesthetic, analgesic and antihistamine effect.This gel can protect children's skin from itching, pain, swelling, blisters, burns, infection, local inflammation of an allergic and physical-chemical nature at the site of contact with stinging plants due to local hyperthermic alkaline skin stripping and deactivation of organic acids, oxidative deactivation of histamine and other biogenic amines, and inhibition of all receptors in the skin.The role of all ingredients is described in detail.
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