This is resulted by direct contact with allergens. Often, only the area that happened to contact with the substance is affected. The most popular allergens are perfumes, costume jewelry, hair dyes, and cosmetics.
The most common symptoms are:
- Skin rash.
- Swelling and itching.
- Discharge of fluid, blisters and scabs.
4. Pityriasis versicolor
This is a skin pigmentation disorder caused by a lipophilic fungus called Malassezia spp. It was typified by well-defined, slightly scaly, variable-color skin lesions.
Studies have confirmed that there is a higher popularity among young people in puberty, especially among women.
5. Seborrheic dermatitis
This is one of the most popular. It is resulted by inflammation of the most superficial layers of skin. It is most commonly seen in areas with a high concentration of sebaceous glands.
Its reason is unknown, but obesity, extreme climates, neurological conditions, and stress are major factors.
Some of its symptoms are:
- Reddened skin.
- Yellow crusts or scales on the face, ears, scalp, or other part of the body.
- Itching and resistant dandruff.
