The allergic contact dermatitis usually is not caused by products such as acids, solvents, soaps or detergents. These chemicals may produce irritating reactions in the skin of any person, even if she does not have allergies to them.http://www.skincaremoz.com/ To find out what substance produced contact dermatitis, you need to talk to a dermatologist and talk about their habits at work and at home, it may be that some material used in day-to-day caused the reaction. When you cannot figure out what caused contact dermatitis, you can do a test called \"Test Contact\". But we already know what products and substances that are more prone to develop these skin reactions, such as nickel (present in jewelry, especially earrings, buttons and pants), rubber (gloves), shoes and clothes, hair cosmetics, perfumes, lotions and creams, chromate (cement and leather) and plants (such as mastic). Transmitted Diseases STDs are diseases transmitted through intimate intercourse, whether homosexual or heterosexual. The routes of transmission include oral and anal intercourse. Thus, it can be transmitted through sexual contact man with woman, man with man or woman with woman. STDs can cause intimate dysfunction, infertility, abortion, fetal infection, low birth weight babies, stillbirths, physical or mental disability, predispose to certain cancers and can even lead to death. In addition, a DST can facilitate the transmission of another disease such as, for example, transmission of HIV. As an example of STDs have candidacies, genital herpes, HPV, syphilis and AIDS.