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J Cosmet Laser Ther. 2010 Oct;12(5):213-7. doi: 10.3109/14764172.2010.514922.

An efficacy comparison of hair removal utilizing a diode laser and an Nd:YAG laser system in Chinese women.

Author information

1
Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China.

Abstract

BACKGROUND:

The 800 nm diode laser and the 1064 nm Nd:YAG laser have been used successfully for hair removal for many years.

OBJECTIVE:

To compare the efficacy of a diode laser with a Nd:YAG laser regarding axillary fossa hair removal in Chinese women.

METHODS:

Twenty-nine Chinese women underwent three treatment sessions at 4-week intervals with a diode laser (34-38 J/cm(2)) on one side and a Nd:YAG laser (34-40 J/cm(2)) on the other side. Assessments included the reduction of hair diameter following treatment, the regrowth rate in hair length, total hair reduction and the immediate pain associated with the treatments.

RESULTS:

At follow-up visit number 1 (4 weeks after the first session), the average reduction in hair diameter on the diode laser side and the Nd:YAG laser side was 2.44 μm and -0.6 μm, respectively. The regrowth rates of the hair were 61.93 μm/day and 59.84 μm/day, respectively, which were not statistically significant (p > 0.05). At follow-up visit number 1, hair reduction was 60.09% and 41.44%, respectively. At follow-up visit number 2 (4 weeks after the second session), hair reduction was noted to be 78.56% and 64.50%, respectively, which were both statistically significant (p < 0.05). Immediate pain scores at the first session were 6.97 and 6.17, respectively; at the second session were 5.48 and 6.69, respectively; and at the third session were 5.76 and 7.45, respectively; all statistically significant (p < 0.05).

CONCLUSIONS:

The diode laser showed more efficacy and was found to be more comfortable than the Nd:YAG laser for axillary fossa hair removal in Chinese women.

PMID:
20825259
DOI:
10.3109/14764172.2010.514922
[Indexed for MEDLINE]

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