Will My Hair Grow Back After Laser Hair Removal?
11 December 2007How does laser hair removal work? o know if you are a good candidate for laser hair removal, you first have to understand how laser hair removal technology works. Don’t wor...
Permanent Laser Hair Removal While lasers are FDA approved, the FDA does not allow for the marketing of technologies and services that state permanent hair removal. This...
The Background: About the Hair Growth Cycle
Normal, healthy hair grows in cycles. It naturally grows, relaxes for a bit, sheds, and grows back again—phenomena more technically known as the anagen, catagen, and telogen stages of hair growth. During the anagen, or active, stage, the hair fiber is produced and contains a wealth of melanin, so laser hair removal is most effective during this period. Next, the hair goes into controlled regression—the lower part stops growing (no new hair fiber is being produced), but the hair does not shed (…see? It relaxes for a bit!). It’s very difficult for laser hair removal to have any effect during this catagen stage. The telogen, or final stage, is the resting period. The old hair falls out in preparation for the development of a new anagen hair. And, as might be expected, laser hair removal has no effect during this stage.
So why is this relevant? Because to understand whether laser hair removal is permanent, it’s crucial to first grasp that hair growth occurs in stages. Because of the nature of cycles, it’s hard to say if or when all the hair from a body area is permanently removed. But, after a series of laser treatments, strategically spaced to “get” the hair that’s in the active stage, you will see a significant reduction in hair. And even if you do see hair growth over time, it will be much slower and finer than before treatment. Most people find this to be a pleasant treat.
So, Really, Is It Permanent?
The FDA-approved short answer is: No. But let’s break it down: The FDA has instituted regulations for companies who promote laser hair removal, stating that they may not claim “permanent” or “painless” in their messages. Determining that the procedure is “intended to effect stable, long-term, or permanent reduction” of hair, the FDA allows marketers to position it only as permanent hair reduction.
However, common laser hair removal rhetoric tends to stick with the permanent angle. This is because, realistically, “stable, long-term, or permanent reduction” still beats shaving every day. The fact is, laser hair removal results will probably be a little different for everyone and as a smart consumer, you must realize that it very likely will require some touch ups over time.
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