Recognize cosmetic allergies

I just bought a box of powder and make-up from morning, when I came back at night, I found my skin reddened and felt a little itchy.
Do you have a cosmetic allergy?

Nguyen Thi Thu (Lao Cai) After using cosmetics, if you have an allergy, you will see one or more of the following symptoms: burning pain in the skin just using cosmetics, itching in waves within 10 minutes, often acquired when using cosmetics facial products. Itchy rash, which may initially itch less and then progress to a lot, into erythema, blisters, commonly found in the area around the eyes. Facial skin is swollen, sometimes chest tightness and difficulty breathing. There are dark spots or melasma on the skin due to certain chemicals or plant extracts that leave traces on the skin when reacting to light. Date of discontinuation of the product causing the allergen. However, in severe cases, a cosmetic allergy can cause severe inflammation, pustules, thinning of the skin, and dryness.If not treated and cared for properly, skin symptoms can spread. wide, itchy, painful, and scaring. Moreover, after each episode of allergy, the facial skin often shows signs of weakness, thinner and more sensitive to the stimulating factors. In the case of children, they should proactively stop using the product because if they continue to use the product, the symptoms on the skin may seriously change, causing inflammation, swelling, pain and burning. You should remove make-up and wash your face to remove irritating ingredients. In addition, washing your face with cool water also soothes inflammation and significantly reduces itching