Frustrating razor bumps and skin irritation due to shaving under the arms don't have to be a fact of life for women. Knowing why this happens can help you minimize this discomfort and embarrassment, and maybe eliminate the problem completely. Some easy steps increase your chances of success as well.
Cause
Razor bumps form as the result of immune system activity in the human body. After shaving, the shortened hairs have the potential to grow into the skin. When this happens, the immune system identifies the hair as a foreign material and attacks it. This causes red bumps and inflammation of the underarm area.
Risk Factors
Some people have a higher risk for developing razor bumps than others. African-Americans and those who have very curly hair experience razor bumps more often than people with fine hair and people of other races.
Treatment
People with this condition should stop shaving under the arms for three to four weeks. This allows the hair to grow out of the skin so the immune system stops attacking it as a foreign substance. If you have itching and irritation as a result of the razor bumps, your doctor may recommend a corticosteroid cream to ease symptoms. Possible side effects of these creams include allergic reaction, thinning of the skin and increased susceptibility to skin infections.
Prevention
Several preventive measures reduce the risk of developing underarm bumps after shaving. Applying shaving gels or creams in the opposite direction of hair growth moisturizes the skin and hair, making it easier to shave this sensitive area. Use warm water or heated foam to soften the hair and skin before shaving. Shaving in the direction of hair growth reduces the risk of ingrown hairs.
Considerations
The razor you use plays a role in whether you develop razor bumps. If you use an old razor with a dull or rusted blade, the razor could increase irritation and cause the immune system to attack hair follicles or ingrown hairs under the arms. Reduce this risk by changing your razor blade frequently and rinsing your razor thoroughly after each use.
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