Why Is Hair Growing Back 1 Week After First Hair Removal Treatment?

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4 Doctor Answers | Asked by AllyElly in Scotland

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Hair Regrowth After Laser Hair Removal Treatment

Many patients wonder why they experience hair regrowth after their laser treatment. Laser hair removal permanently reduces the number of hairs. Only hairs that are in the active growth phase (ANAGEN) respond most effectively to laser treatment. Also because dark hairs contain more melanin, these would also respond better to lasers compared to light hairs. Melanin is necessary to absorb the laser light so that it can affect the follicle. . Since up to half of the hair at any... more

Laser Hair Removal

New hair is still growing, especially after only one laser session. In order to have optimal results when using laser hair removal, you should have several treatments at set intervals. The laser focuses on hair that is in the active growth cycle. Having treatments scheduled at set intervals ensures that the majority of hair follicles will be eliminated.

What to expect from Laser hair removal treatment

With multiple Laser hair removal treatments, significant long-term reduction can be achieved. In general, two or more treatments are required at each site. The laser is only effective when the hair follicle is in its active growth phase. Repeat sessions will be necessary to treat those follicles when they re-enter the growth phase. Approximately 15-30% long-term hair loss may be observed with each treatment when optimal parameters are used. Optimal long-term benefits depend on the area you... more

Laser Hair Removal Treatment

Laser hair removal targets the hair follicle in certain phases of hair growth. So the growth you are seeing is most likely hair that was not targeted by the laser at this time. Multiple sessions are requires for most people to get the best results.