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Laser Hair Removal
What Caused my Red Itchy Bumps/rash on my Legs After my Second Laser Hair Removal Treatment?
Sometimes this can happen due to the increased settings with each treatment. Try not to scratch the area as much as possible to avoid further irritation. You may try taking an antihistamine and applying hydrocortisone a few times a day to relieve redness and itching. It is always best to avoid rubbing/scrubbing the area after a treatment and to avoid sun exposure, hot showers/baths, pools, oceans, jacuzzis, or hot saunas for a few days after your treatment to reduce further irritation of the hair follicles. Use gentle cleansers and moisturizers as well. Sometimes these rashes can result in hyperpigmented spots, but usually these spots resolve over time. If you do not notice an improvement or worsening of your rash, contact the person who performed your treatment so that you may be evaluated.
Clinical Context
Laser energy targets pigment inside hair follicles, and the resulting heat can trigger local inflammation that looks like small red, itchy bumps or hives. This is more likely when treatment settings are increased, since higher energy affects more follicles. Redness and itching usually improve as the skin calms down, and any temporary darker spots tend to fade as skin renews. If irritation is severe or does not improve, follow up with your treatment provider.
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