How to detect whether cosmetics are allergic?

Compared with Europeans and Americans, Asian girls' skin will be more sensitive, and almost one in five people is sensitive muscle. However, many girls do not pay enough attention to the phenomenon of skin allergy, and some unscrupulous businessmen like to publicize what is the detoxification and turbidity reaction. Sometimes I am obviously allergic, and my sisters think that cosmetics have worked ~

In fact, it is very simple to judge whether you are allergic to cosmetics. If you have the following two or more reactions, you are undoubtedly allergic to cosmetics. You should stop observing them at once:

1 After using cosmetics, the skin (especially the cheeks with thin cuticle) turns red in a large area.

Even after using skin care products, my skin still feels dry, tight and itchy.

3 After using cosmetics, the skin has a tingling sensation, and this tingling sensation lasts for a long time (≥5 minutes).

4. After the skin is dry, itchy and tingling, red rashes, papules and little red dot appear.

Allergies to skin care products are common, but they can still be prevented. I suggest that before you buy unused skin care products, try the products at the counter (or online samples) and do a simple allergy test, whether your skin is sensitive or not:

| First, apply skin care products behind your ears.

The skin behind the ear is close to the face. If there are no allergic symptoms of redness, swelling and itching after 1-2 hours, you can consider using it on your whole face.

This method is more suitable for common skin care products. If it is a product that is easily sensitized such as whitening and acne, it is recommended to test it by the following methods.

The second is to test on the inside of forearm and elbow.

Soak clean gauze in distilled water or normal saline, fold it when it is half dry, apply skin care products on one side of gauze, and then stick it with adhesive tape. If it was opened as a child 12, the skin near the elbow is not allergic, and it will not be allergic when used on the face.