Cosmetic allergy history skin allergy is a very common form of allergy, by 20% of the people have skin allergy phenomenon. So people who are not sure whether they will be allergic must do skin test before choosing skin care products or cosmetics. The following editor introduces the method of judging cosmetic allergy for you, come and have a look!
The first way to judge cosmetics allergy, cosmetic allergy symptoms
Cosmetic contact dermatitis is the main type of cosmetic skin diseases, which accounts for more than 70% of cosmetic skin diseases. Generally in the use of a certain cosmetics within a week of onset, mild skin itching, erythema, standing rash; severe swelling, blisters, erosion, exudation, some patients have rough skin, desquamation and leather like change.
1. Pigmentation of cosmetics
About 10% - 15% of cosmetic skin diseases. After using cosmetics for 1-4 months, light brown or brown dense spots gradually appeared, especially around eyes and zygomatic.
2. Cosmetic acne
Cosmetic acne accounts for about 3.5% to 10% of cosmetic diseases. Most of the patients get sick after using cosmetics for a week, and the symptoms disappear after stopping using cosmetics.
3. Cosmetic lipstick
Lip dryness, desquamation and coarseness were found after using lipstick, but it gradually returned to normal after stopping using lipstick.
4. Hair damage caused by cosmetics
The damage of cosmetic hair can be manifested as the change of hair quality, fracture, bifurcation, brittle texture, tarnish, and different degrees of hair loss.
5. Cosmetic nail injury
It includes two parts: Deck damage and soft tissue damage around the nail, which are characterized by brittle nail texture, tarnish, deck deformation, softening and peeling, etc.
2、 Treatment of cosmetics allergy
First of all, trace the cause of disease, stop using pathogenic cosmetics, and avoid using them in the future. In this case, scratching, soap washing and vitamin C should be avoided, and 10% calcium gluconate should be injected intravenously. Calamine and oxidized oil can be used locally, and Qinghua cortisone cream or 2% benhailamine cream can be used externally for chronic dermatitis. Traditional Chinese medicine can choose Qufeng Liangxue, Qingre Jiedu, such as Longdan Xiegan pill, Fangfeng Tongsheng pill, etc.
1. For pigmentation
Can be orally or in the mask to add dimension C, to avoid the sun.
2. For acne patients
Warm water and neutral soap can be used to clean the skin first, and antibiotics can be taken for those with inflammation. Chinese medicine can choose the prescription of clearing away heat and cooling blood.
3. Others
Such as hair, nail damage, stop cosmetics and timely treatment, can be cured.
3、 Understand the characteristics of your skin, so that you can really choose the right cosmetics
1. Pay attention when choosing cosmetics
Know your skin type, choose the cosmetics suitable for your skin; choose the cosmetics without lead and mercury to prevent chronic poisoning after long-term use. Do not use cosmetics that have been stored for a long time to prevent skin inflammation and allergy caused by the oxidation and decomposition of nutrients in cosmetics, external pollution during use, and the proliferation of bacteria or molds. It's better to use a brand of product regularly, because if the cosmetics are changed frequently, the skin will be constantly exposed to new stimuli, accelerating the decline of skin cells, leading to skin aging and abnormal pigmentation.
2. Skin test
It is best to do a simple skin allergy test before buying cosmetics! The skin allergy test method of cosmetics is very simple. First, soak a piece of gauze with distilled water or normal saline, screw it to half dry, fold it into 4 layers, about 1 square centimeter in size, apply the cosmetics on one side of the gauze, then apply it on the normal skin on the extended side of forearm or back, and then cover it with 1.5 square centimeter air tight cellophane or plastic film, and fix it with adhesive tape. After 24-48 hours of observation, if the test site itches or burns, indicating that the cosmetic has irritation to the skin, it is a positive reaction. The test substance should be removed in time and washed with water.
If the test site has no symptoms, it is a negative reaction, indicating that the cosmetic has no irritation to the skin and is relatively safe. If there are simple erythema and pruritus, it is weak positive; if there are swelling and papules, it is moderate positive. It is strongly positive when there are marked redness, swelling, papule and blister, and extremely strongly positive when there are marked blister or even necrosis. In addition to timely cleaning and treatment, the positive reaction also indicates that the cosmetics must not be used.
3. Solutions
The occurrence of cosmetic contact dermatitis, as long as immediately stop using all kinds of cosmetics and timely to the hospital diagnosis, first control the disease; generally speaking, 1-2 days symptoms will be eliminated, unless the cause can not be found in time, or in the use of other types of cosmetics, so cross allergy, dermatitis is easy to occur repeatedly, or into chronic, protracted.
Of course, there is also a misunderstanding that everyone is easy to fall into, that is, use ointment as soon as allergy occurs. When cosmetic allergy occurs repeatedly for a long time, you can't rely on hormone ointment. The best way is to carry out desensitization treatment to fundamentally improve the allergic constitution. Causes of skin pseudo allergy 1. Lack of skin: sometimes the face stings, redness, in fact, there may be a lack of water on the skin, sister paper to see if there is skin on their face, recall if they haven't hydrated for a long time, the lack of water on the skin will appear all kinds of symptoms is not uncommon, who called it hungry.
2. The cleaning is not in place: the face is not washed clean, dirty or heavy metal substances remain in the skin, it is difficult for Guangge to ensure that your face does not appear a little reaction in such a sensitive season.
3. Detoxification reaction: sometimes, the appearance of rash and beans on Meizhi's face may be the detoxification reaction of the body. If it gets better after a period of time, or even smoother, will Meizhi blame cosmetics?
4. External stimulation: some people are hypersensitive, use all kinds of food or contact with allergens such as pollen. At this time, the blame is on cosmetics. Brother Guang doesn't want to say anything. You'd better go to the hospital to treat the allergy. Don't delay. Cosmetics are not allergic to the way, as the saying goes, know yourself and know your enemy, a hundred battles are sure. To deal with allergies, we should first understand our own situation. After all, there is a group of people who are prone to allergies when using cosmetics
1. People who suddenly use nutritious products: people who seldom use cosmetics will have more original skin. Continuous use of cosmetics will make skin nutrition saturated or even over nourished. At this time, they are waiting for flowers and acne.
2. People who change skin care brands: if they use a brand for a long time and suddenly use a new product, their skin will unavoidably not adapt. After all, there is a process of adaptation after changing skin care products.
3. People who have used hormonal products before: if they have used products containing hormonal substances intentionally or unintentionally, some people's skin will be dependent on hormonal substances. Once they stop using hormonal substances, some skin rejection will also appear.
4. mask the time is too long people: usually 10-20 minutes, too long will cause skin anoxia allergy.
5. Pregnant women: women will produce a kind of progesterone during pregnancy. During this period, women's whole resistance and skin, including the body, will change. At this time, the human body is particularly prone to allergy.
6. People who don't read the instructions of the product: they can't live without their own sin.