The more expensive the more cosmetic skin is not good, how many people are keenly aware of this? With more and more use of cosmetics, found that their skin long stain, after puberty or acne.
1 types of cosmetics,
Material with skin cleaning, protection, beautification, change the body odor of the body are cosmetics.
Including: soap, shampoo, bath lotion, Hair Coloring agent, perfume, lipstick, eye shadow, toothpaste and deodorant.
2, cosmetic dermatology >
(1) cosmetic irritant contact dermatitis:
No individual differences, often in contact with the rapid occurrence of skin lesions confined to the contact area, clear boundaries, there is obvious pain or burning sensation. Skin rash as erythema, edema, blisters and erosions.
(2) cosmetic allergic contact dermatitis:
Cosmetics allergic contact dermatitis is what we usually say “ cosmetics allergy ”. This type of dermatitis has a significant individual differences, only on the cosmetics of one or several ingredients allergies, and requires a period of time before the occurrence of sensitization after a rash.
Manifested as erythema, papules, blisters, oozing, itching.
(3) pigmented cosmetic dermatitis:
Japanese scholar Nakayama Hideo black skin disease, facial pigmentation spots appear to a large number of Japanese women in the observation of the use of cosmetics. The pigment spot caused by cosmetics is often easy to be ignored.
(4) cosmetics depigmentation spots
Some whitening, freckle cosmetics can cause skin depigmentation and depigmentation. Clinical easily misdiagnosed as vitiligo or white rice chaff.
(5) cosmetic phototoxicity of photosensitive dermatitis /
Some cosmetics contain toxic substances or light photosensitive plants, contact the skin after ultraviolet irradiation, can cause skin erythema, papules, blisters and erosions even.
(6)
acne cosmetics
Some cosmetics can cause hair follicles mouth mechanical blockage, the formation of anaerobic environment in the hair follicle mouth, so acne bacteria reproduction, the skin lesions are often spread throughout the face.
(7)
The skin by the foreign body reaction agent, agent or eyebrow lip lines caused by hair, called lip lines, eyebrow hair and granuloma granuloma granuloma. Local itching, erythema, nodules.
3, cosmetic dermatitis prevention:
The United States, Japan and some European countries, the provisions of cosmetics must be marked components. Because our country does not have this requirement and requirement at present, brought difficulty for the prevention of cosmetic dermatitis.
The disease should immediately disable all suspected allergic cosmetics, which is a prerequisite for cure, and should be under the guidance of a doctor to properly apply anti allergy drug treatment. At the same time, patch test should be done to clear allergen and avoid contact again.