What are signs of allergic reactions to hair dye?

Rare sensitivity to certain chemicals, especially a substance called p-phenylenediamine (PPD), can cause an individual to have an allergic reaction to hair dye. The allergic reaction is often relatively mild and creates symptoms such as burning, itching and redness. In very rare cases, allergies to hair dyes can bring a life -threatening condition known as anaphylaxis that can be recognized by symptoms such as swelling of the neck and face, hives, rapid heart rhythm, disorientation and coloring of the skin. Those who want to color their hair can always avoid an allergic reaction to hair dye by testing the product on small areas of the skin. For many of these individuals, this reaction creates unpleasant but mild signs such as itching, burning and redness and the Around the Skalp. In many cases, the symptoms of a slight allergic reaction will be reduced within hours or days. The use of over -the -counter antihistamines may provide relief from symptoms until the reaction is completed.

In very rare cases, an allergic reaction to hair dye can cause extremely serious condition called anaphylaxis. This condition occurs when the immune system detects the presence of allergen and responds by release of a large amount of substance called histamine. Anaphylaxis can produce a number of characters such as confusion, bloated face and eyes, neck closure, racing heart, hives and skin color. If it is not treated, anaphylaxis can quickly lead to death. Those who show signs of this condition should therefore seek medical attention as soon as possible.

It can be possible to prevent an allergic reaction to hair dye by performing the procedure as a progress as a patch test before using hair dye. When performing the patch test, a small amount of dye is applied to the skin stain in an inconspicuous area, such as the inner arm. The dye can sit on the skin for one to two days. If there are no symptoms in the treated area, the hair dye may be most likely to bePlaked on the hair without causing a reaction. Because the product formulation may change, health experts emphasize that the test should be performed every time the individual plans to use hair dye.