Frequently Asked Questions
Optimal melanin absorption + 3-4 mm penetration + efficacy on all phototypes = the reference for 20+ years.
Yes, with adapted parameters (reduced fluences, long pulses, optimized cooling).
Very moderate: no cryogen needed, minimal maintenance, diode lifespan 20-30 million pulses.
4-8 sessions generally; some areas or white hair require more.
No, the primary target is melanin. Varicose veins involve the hemoglobin chromophore, better targeted by 1064nm.
4-8 weeks to allow transition of subsequent hairs to the anagen phase.
Définition
The 808 nm diode laser is a treatment system based on preferential melanin absorption, offering an optimal balance between absorption by the target chromophore (melanin) and tissue penetration.
Pourquoi cette longueur d'onde est la référence
This wavelength is considered the gold standard in laser hair removal because it combines efficacy, safety, and versatility. It offers an ideal compromise between melanin absorption and skin penetration, enabling treatment of all phototypes with parameter adjustment.
Fenêtre thérapeutique
The 808 nm offers an optimal 'therapeutic window': sufficient absorption to target hair melanin without overloading the skin with energy. The penetration depth (4-5 mm) reaches deep follicles while maintaining acceptable safety.
Versatilité clinique
Usable on all phototypes with parameter adaptation. Documented efficacy on all hair types, from light to black.
Caractéristiques
| Parameter | Value |
|---|---|
| Wavelength | 808 nm |
| Laser type | Semiconductor diode |
| Melanin absorption coefficient | 136 cm⁻¹ |
| Penetration depth | 4-5 mm |
| Therapeutic window | Optimal |
| Applicable phototypes | I to VI |
| Clinical status | Gold standard in laser hair removal |
Références scientifiques
- Altshuler GB et al. Lasers Surg Med 2001;29(5):416-432
- Ibrahimi OA et al. Dermatol Ther 2011;24(1):94-107
Sources scientifiques
- . . J Cutan Aesthet Surg (2017) ;10 :34-39 .
- . . JEADV (2006) ;20 :9-20 . PMID: 16405602
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