5 Factors will affect laser hair removal result - 5
5. Laser Parameters
Wavelength
Alexandrite 755 nm, it is most effective, but only safe on light skin.
Pulsed diode array 810 nm, it is for light to medium type skin.
Nd YAG 1064 nm, it is for darker skin.
Pulsewidth
Longer pulsewidths may be safer for darker skin and shorter wavelengths are more effective in removing hair.
Width of the laser beam
Larger spot sizes help make treatments faster and more effective.
Fluence or energy level
If procedure get high enough settings will cause you permanent damage to the hair follicles.
Conclusion
- Light skin, dark hair, and with no external factors of laser hair removal candidates will benefit the most from this procedure. They need the least amount of treatments and they will also have quicker treatments.
- They are followed by medium skinned people with dark hair and dark skinned people with dark hair.
- Light skinned with light blond or red hair will be difficult to treat and may only achieve a reduction in hair density.
- The worst candidates for laser hair removal will be darker skinned people with white or grey hair. These individuals may even be impossible to treat.