This is a brief review of a study recently published by a group of Chinese researchers (see references here).

The study evaluated the efficacy and side effects of the Lumenis Oneā„¢ IPL device for epilation (hair removal) in Chinese patients. Eighteen Chinese women with Fitzpatrick skin types III-V and black hair were treated four times at 4 to 6-week intervals on the axillae (arm pits) and the upper lip.

The energy density for treatment (fluence) ranged from 14 to 22 J/cm2 with filters for 640-755-nm wavelength and 3.5-7 ms pulse duration.

Hair reduction was assessed at baseline, immediately before each treatment session, and at 4 weeks after the fourth treatment. Patient’s satisfaction on a 5-point scale was also evaluated.

Results
The average hair reduction for all sites was 49.9% after one session, 58.6% after two sessions, 79.3% after three sessions, and 83.8% after four sessions. The hair reduction of 44.1%, 52.1%, 81.1%, and 86.0% were achieved after each treatment for axillae, with 65.1%, 75.7%, 74.6%, and 78.0% for upper lip.

Patients got more satisfaction after four sessions (score 3.1) than that after two sessions (2.0). In both the assessments, upper lip appeared to show a better response than axillae after two IPL treatments, which reversed after four treatments.

No significant complications or adverse events were reported, and the study concluded that the IPL device provides a safe and effective means of hair removal for Chinese patients.


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