Is the energy for Diode laser enough? (Photo)
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Doctor Answers 2
LASER hair removal requires knowledge of both skin type and machine. Most studies point to at least 20 J/cm2 to be effective for laser hair and we have found that higher settings are necessary for Indian hair removal. Keep in mind, older laser hair removal systems may not be able to safely remove hair in darker skin types if the cooling is inadequate.
Ineffective laser hair removal may be a result of inappropriate wavelength, underpowered laser (low fluence or hand piece that requires replacement), underlying medical or hormonal condition (i.e. polycystic ovary disease), or provider with not using appropriate technique or settings.
Indian hair tends to be coarser and requires appropriate fluence or power and wavelength. Nd:YAG tends to require more treatments as it is not as efficient as newer generation diode lasers. In my office's experience, diode lasers tend to be effective and safe at removing Indian hair. IPL is not a good treatment option, particularly for Indian hair removal, as the level of power to treat hair effectively is typically not safe on Indian skin types. IPL also takes much longer than diode laser systems.
There is no single best laser system, but characteristics of a good laser hair removal office and laser are as follows for Indian hair removal
-Experience treating Indian Skin- Staff must be knowledgable about Indian Skin and understand how to treat it. If the fluence is too low, more hair can result (hypertrichosis) rather than hair loss
-Proper wavelength- Diode and Nd:YAG are the two best lasers for Indian hair removal. In my office, we prefer the diode as it requires less sessions and tends to be more effective in targeting and treating hair (more hair removed per session)
-Appropriate cooling- All laser systems need cooling to provide safety and comfort. Uncomfortable laser hair removal tends to result in lower laser hair settings and can cause actual more hair to occur rather than less hair.
Hope that is helpful.
Energy settings for laser-assisted hair removal
These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.