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Hair reduction using a new intense pulsed light irradiator and a normal mode ruby laser
P Bjerring1, M Cramers, H Egekvist
1Department of Dermatology, Marselisborg Hospital, University Hospital of Aarhus, Denmark.
Journal of Cutaneous Laser Therapy
|May 22, 2001
Summary
Intense pulsed light (IPL) systems are significantly more effective for hair removal than ruby lasers, achieving greater hair reduction with fewer treatments. Additional IPL sessions beyond three did not substantially improve results in the chin and neck area.
Area of Science:
- Dermatology
- Aesthetic Medicine
- Photomedicine
Background:
- Hair removal is a common cosmetic concern.
- Various light-based therapies exist, including lasers and intense pulsed light (IPL).
- Comparing the efficacy of different light sources is crucial for clinical practice.
Purpose of the Study:
- To compare the hair removal effectiveness of an intense pulsed light (IPL) system against a normal mode ruby laser.
- To evaluate the number of treatments required for optimal results.
Main Methods:
- A randomized clinical study involving 31 patients.
- Bilateral treatment of the chin and neck with IPL and ruby laser over three sessions.
- Follow-up assessments included hair counts from close-up photographs.
Main Results:
- IPL achieved 93.5% hair reduction compared to 54.8% with the ruby laser after three treatments.
- Average hair count reduction was 49.3% for IPL versus 21.3% for the ruby laser.
- Further IPL treatments beyond the initial three showed minimal additional benefit.
Conclusions:
- IPL is approximately 3.94 times more effective than ruby laser for hair removal.
- For the chin and neck, three IPL treatments appear to yield optimal therapeutic results.