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A comparison study of the efficacy and side effects of different light sources in hair removal


Unwanted hairs are a common problem in which different light sources were developed as the treatment of choice. Alexandrite laser, diode laser, and intense pulsed light (IPL) were clinically used for this purpose with long-term scarce comparative results. The objective of the study was to compare the clinical efficacy, complications, and long-term hair reduction of alexandrite laser, diode laser, and IPL. Clinical trials on 232 persons using diode, alexandrite, laser and IPL were conducted. The number of sessions to reach optimal result varied between 3 and 7. Then the side effects were evaluated. Six months after the last session, optimal hair reduction was observed with no significant differences between the light sources, but a hair reduction was found to be higher using the diode laser. Side effects were observed with all light sources but more frequently with diode. Our findings indicate that all three light sources tested have similar effects on hair removal and in Iranian patients, using lower wavelengths minimizes the side effects.

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  1. Ross EV, Ladin Z, Kreindel M, Dierickx C (1999) Theoretical considerations in laser hair removal. Dermatol Clin 17:333–355

    PubMed  CAS  Google Scholar 

  2. Olsen EA (1999) Methods of hair removal. J Am Acad Dermatol 40(2 Pt 1):143–157

    Article  PubMed  CAS  Google Scholar 

  3. Tse Y (1999) Hair removal using a pulsed-intense light source. Dermatol Clin 17:373–385

    Article  PubMed  CAS  Google Scholar 

  4. Campos VB, Dierickx CC, Farinelli WA, Lin TD, Manuskiatti W, Anderson R (2000) Hair removal with an 800-nm pulsed diode laser. J Am Acad Dermatol 43(3):442–447

    Article  PubMed  CAS  Google Scholar 

  5. Handrick C, Alster TS (2001) Comparison of long-pulsed diode and long-pulsed alexandrite lasers for hair removal: a long-term clinical and histologic study. Dermatol Surg 622–626

  6. Garcia C, Almoundi H, Nakib M, Zimmo S (2000) Alexandrite laser hair removal is safe for fitzpatrick skin type IV–VI. Dermatol Surg 26(2):130–134

    Article  PubMed  CAS  Google Scholar 

  7. Hussain M, Polnikorn N, Goldberg D (2003) Laser-assisted hair removal in Asian skin. Dermatol Surg 29(3):249–254

    Article  PubMed  Google Scholar 

  8. Galadari I (2003) Comparative evaluation of different hair removal lasers in skin types IV, V and VI. Int J Dermatol 42(1):68–70

    Article  PubMed  Google Scholar 

  9. Eremia S, Li CY, Umar SH, Newman N (2001) Laser hair removal: long-term results with a 755 nm alexandrite laser. Dermatol Surg 27(11):920–930

    Article  PubMed  CAS  Google Scholar 

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Correspondence to Ali Sharifian.

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Toosi, P., Sadighha, A., Sharifian, A. et al. A comparison study of the efficacy and side effects of different light sources in hair removal. Lasers Med Sci 21, 1–4 (2006).

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  • Alexandrite laser
  • Diode laser
  • Laser hair removal
  • Intense pulsed light