What Happen if I Use Laser Hair Removal in Less Than Two Weeks Interval Session? Does It Have Any Bad Effect?

Question

Steven H. Williams, MD · Answer

Usually, the recommended interval between laser hair removal treatments is 4-8 weeks due to the laser being effective against hairs in only one phase of the hair growth cycle. Less than two weeks is too soon. Sometimes it can take the hairs up to 2 weeks to fall out, so a treatment that soon does not make sense. There is no need to subject your skin to excess treatments, especially when it is not beneficial.

Monika Soni, MD · Answer

Thank you for your question! You get minimal to no added benefit if you get your laser hair reduction treatments at 2 week intervals or less. The rationale for getting treatments at 4-6 week intervals is to try to capture as many hairs  that in their active growth phase as possible. This gives you the most benefit (in terms of hairs effectively treated) for the time spent. Best of luck!

Paul L. Leong, MD, FACS · Answer

The negative effect is that you most likely will not have a very successful hair reduction treatment. We recommend getting laser hair removal treatments every 4-8 weeks because hair grows in cycles. The goal is to treat during the active life cycle to destroy the hair follicle and prevent regrowth. We recommend a total of 6 laser hair removal treatments. However some patients may require additional treatments in order to maintain results. I hope this helps!

Jeffrey C. Poole, MD - Account Suspended · Answer

Laser Hair Removal is most often performed in our office at 6-8 weeks intervals, depending on the site.  With proper treatment parameters and with the appropriate laser, most all hairs should have been temporarily removed or damaged with each treatment, with the damaged hairs falling out over the 1-2 weeks after treatment.  It will normally take 4-8 weeks, or more, for the hairs that have not been permanently damaged to regrow to a significant enough length for re-treatment.  In general, with each treatment you should see long term or complete hair reduction of about 20-25% of the remaining hairs.

	Hair treatment at very frequent intervals such as you describe, is of no benefit in the properly treated patient.

Mitchell Schwartz, MD - Account Suspended · Answer

Recommended intervals between laser treatments are based on the time required to allow hairs to enter their active growing cycle. The laser is only effective when the hair follicle is in its active growth phase. Generally, about 15% of hairs are permanently removed with each laser treatment. Repeat sessions are necessary to treat additional hair follicles when they re-enter the growth phase.

Anifat Balogun, MD - Account Suspended · Answer

You get minimal to no added benefit if you get your laser hair reduction treatments at 2 week intervals or less. The rationale for getting treatments at 4-6 week intervals is to try to capture as many hairs  that in their active growth phase as possible. This gives you the most benefit (in terms of hairs effectively treated) for the time spent. 

	 

	Be patient, stick to the recommended schedule for best results.

What Happen if I Use Laser Hair Removal in Less Than Two Weeks Interval Session? Does It Have Any Bad Effect?

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