How long does it take for cosmetics to test for allergies and how to test for cosmetics for allergie

Usually 2-5 minutes is enough. The test can also be applied on the inside of the wrist.

However, most of the allergies caused by cosmetics are due to your constitution not matching the raw materials in cosmetics, if there is an allergic reaction.

It is generally manifested as itching, redness, stinging, pins and needles, burning, tightness, ......Wait a minute.

Some even have to use the fruit for a while to know if it is suitable or not.

We hope you can find cosmetics that suit you and have beautiful and healthy skin forever.

By the way, you still have to buy big brands, and the quality is more ***.

It varies from person to person, and it can be as fast as a few minutes. Allergies are a very common form of allergies, with 20% of people having allergies. **Allergy symptoms are itching, and may also be accompanied by redness, swelling, dry chips, blisters, or scabbing and oozing of lesions; These lesions vary in shape and size.

Occasionally, symptoms such as tightness, numbness, and swelling of the chest may occur; When these symptoms appear, it is an allergy. Other allergy symptoms include itching, sneezing, runny nose, watery eyes, rashes, airway obstruction, or symptoms such as hives. In rare cases, an allergic reaction can even be life-threatening, such as a symptom called anaphylactic shock.

**If you are allergic to cosmetics, you will have a rash and molt when you finish wiping skin care products, so this product is recommended not to be used, it may not be suitable for you**, but if it is on the second day, it may be caused by other reasons.

The time taken to test for cosmetics allergies varies from person to person, and it is generally recommended to test within **15-60 minutes**. If you need to observe for a longer period of time, you may need to wait more than 24 hours. Everyone's tolerance is different, so the time of the test needs to be judged on an individual basis.

Cosmetics are divided into different types, so the test methods are naturally different, if it is a cosmetics such as foundation, it is recommended to apply the product to the root behind the ear, if there is no allergic reaction, it proves that you can use this cosmetics, like eyeliner, eyeshadow and other makeup, should be applied to the back of the hand, if the back of the hand ** allergies, acne or other uncomfortable symptoms, it indicates that you are not suitable for this cosmetics.

Everyone's ** is different, the choice of cosmetics is naturally different, when buying cosmetics, try to go to a store specializing in cosmetics, do not go to an unknown shop to buy, so as not to have various discomforts after use. Generally, when shopping for cosmetics, there will be a shopping guide to help you choose cosmetics, if you don't know what skin type you belong to, you can ask the professionals in the cosmetics store.

The choice of cosmetics is very important, test for allergies Do not apply cosmetics directly to the face, the cosmetics in the store will have trial packs, and these trial packs have been used by many people, if you apply them directly to the face, it is easy to cause discomfort.

For skin care products such as water lotion, you can apply it to the root of the ear test, for makeup and other cosmetics should be applied to the arm, or on the back of the hand test, if there is no discomfort, you can buy this product with confidence, but in the later period, if there is discomfort, you should stop using it immediately.

There are four ways to test whether cosmetics are allergic, one is to read the instructions, the second is to apply it behind the ear, the third is to rub it on the arm, and the fourth is to apply it to other parts of the body, and after waiting for a period of time without special reaction, it proves that there is no allergy, if you feel uncomfortable, you should not use this makeup.

If you have a history of allergies, you must keep in mind what the allergen is, and you can check the instructions before using the cosmetics to see if there are allergens, and if so, you can't use it.

The second method is to apply it to the back of the ear, the depression behind the earlobe is very close to the face, you can apply a little cosmetics to this place, wait for dozens of minutes, if there is no allergic reaction, you can use it on the face.

The third method is to soak a small piece of gauze with distilled water or saline, dip it in a sock branch to take part of the cosmetics, and then apply this piece of gauze to the arm or back normal**, fix it with plastic wrap and adhesive tape, wait for a day or two, if there is no reaction, there is no allergy, and you should stop using it if you feel stinging or itching.

The fourth is to apply cosmetics to the legs, back and other parts to test sensitivity, because sometimes there is inflammation, there will be temporary allergies, and cosmetics need to be applied to other parts to test the effect.

Skincare product allergy search test method:

1. Apply behind the ear:

The ** behind the ears and the ** on the face are particularly similar, and the ** behind the ears is generally more sensitive, and if the skin care products used are not suitable, they will react in time.

Generally, the basic skin care products are absorbed relatively quickly, and when purchasing, you can ask the shopping guide to help apply the test on the ** behind the ear, and then walk around the mall for half an hour to an hour or so, if there is no allergy, then you can buy this skin care product when you go home.

However, the accuracy of this test method is not high, and it is suitable for temporary use to detect whether skin care products are allergic when shopping outside.

2. Arm test.

The arm test is more troublesome but more accurate, and generally we can test it with skin care products that will cause allergies.

Soak the clean gauze with distilled water or saline, wring it into semi-dry, fold it into 4 layers about one square centimeter, and apply the skin care product to be tested to one side of the gauze.

Then cover this side to the inside of the forearm or the back of the hand, cover it with about square centimeters of non-breathable cellophane or plastic film, fix it with tape and seal it, after 24-48 hours, if there is discomfort, it means that you are allergic to this kind of skin care products, you should remove it in time and wash it with water Qingkai, if there are no symptoms, it means that you are not allergic.

Allergy testing of skincare products is done to ensure the safety and suitability of the product. It can help consumers determine if they have an allergic reaction to a skincare product and avoid using products that may cause discomfort. Regarding the allergy test of skin care products, we can understand from the following perspectives.

You can use the ** sensitivity test to test whether skin care shouting mold products will cause allergic reactions. This test method is usually performed in a hospital or professional institution and is performed by professionals. They will apply the skincare product to the back or inner arm and observe for allergic symptoms such as erythema and itching after a period of time.

This test method is more accurate and reliable, but it takes time and cost.

Consumers can also conduct a simple allergy test on their own. The method is to apply a small piece of the skincare product to a sensitive area, such as behind the ear or on the inside of the wrist, and observe if there is any discomfort. If there are no allergic symptoms such as redness, swelling, itching and so on within 24 hours, the product can generally be considered safe for oneself.

However, it should be noted that everyone's sensitivity is different, so the results may not be universal.

You can also check the ingredient list to determine if a skincare product is prone to allergies. The ingredients in skincare products are usually listed on the product packaging, and consumers can be aware of some common allergens, such as alcohol, preservatives, fragrances, etc. If you have an allergy or sensitivity to an ingredient, it's best to choose a product that doesn't contain the ingredient to avoid allergic reactions.

When using a new skincare product, you need to pay attention to a step-by-step trial. Even if you have passed an allergy test, there is a chance that you will have a reaction due to individual differences. Therefore, when using a new product, it is recommended to try it on a small area such as behind the ear or on the inside of the wrist, and if there is no discomfort within 24 hours, gradually expand the range of use.

Skincare allergy testing is a very important job. Whether it's through a professional body or testing on our own, we treat it with care. For those who are prone to allergies, it is even more important to carefully choose the right products and conduct personalized tests and uses according to their own conditions.

While everyone's allergic reaction to skincare products is different, we recommend that you take an allergy test before using a new product. With a reasonable testing method, we can better judge whether the product is suitable for us and avoid possible allergic reactions. If you are particularly worried about yourself, you can consult a doctor, who will give professional advice and guidance.

I hope you can choose the right skin care products for you and are safe and worry-free!