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document
Effects of the 810-nm diode laser on hair and on the biophysical properties of skin . INTRODUCTION Laser therapy is clinically effective in hair removal ; however , despite the development of various strategies , laser procedures still present a risk of adverse effects due to the overheating of the skin . OBJECTIVE To investigate the effects of 810-nm diode laser treatment on hair and on the biophysical properties of skin by using various non-invasive techniques on various parameters , including hair analysis , surface color changes , integrity of skin barrier , sebum production rate and pH level . METHODS In this randomized , right-left comparison study , 35 women with axillary hair received single-session diode laser therapy . Hair analysis and biophysical properties of the skin were assessed before treatment and at weeks 2 , 4 and 6 after the therapy . RESULTS Hair density and thicknesses statistically significantly decreased after the first post-treatment evaluation . Regarding comparison of the biophysical properties of the skin , there was no statistically significant difference in the assessments , except for the increase determined during the second week in the erythema index in the laser-treated areas . CONCLUSION The findings of this study showed that the diode laser can perform a significant reduction in the hair amount without significant epidermal damage , at least for a short period .
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Intervention_Physical
810-nm diode laser
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Intervention_Physical
Laser therapy
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Intervention_Physical
810-nm diode laser treatment
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Intervention_Physical
non-invasive techniques
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Intervention_Physical
single-session diode laser therapy
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Intervention_Physical
diode laser can
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Outcome_Physical
Hair density and thicknesses
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Outcome_Physical
erythema index
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Outcome_Physical
hair amount
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Participant_Condition
35 women with axillary hair