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J Cosmet Laser Ther. 2019 Apr 25:1-5. doi: 10.1080/14764172.2019.1605450. [Epub ahead of print]

Efficacy and safety of intense pulsed light in the treatment of inflammatory acne vulgaris with a novel filter.

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a Department of Dermatology , Huashan Hospital Fudan University , Shanghai , P. R. China.


Acne vulgaris is one of the most common skin diseases affecting young people. Intense pulsed light (IPL) has become a well-recognized method in the treatment of acne vulgaris. We aim evaluate the clinical efficacy and safety of a novel IPL filter at wavelength of 400-600 nm and 800-1,200 nm in the treatment of inflammatory acne lesions. Twenty-one patients with Pillsbury I-III facial acne vulgaris between July 2017 and January 2018 were enrolled in this prospective clinical study. Five sessions of IPL treatment were administered to the subjects at 4-week interval. Final assessment was performed 1 month after the final treatment. One month posttreatment, over 75% subjects exhibited excellent or good response. Of the Pillsbury I-II patients, the effective rate reached 88.24%. The inflammatory lesions were dramatically decreased (25.23 ± 2.76 versus 14.01 ± 1.98) and statistically evident (P = .031). According to Hayashi assessment of acne severity, there was a significant improvement at follow-up visit (P = .022). Moreover, patients reported significant improvements in self-evaluation. The novel IPL filter at wavelength of 400-600 nm and 800-1,200 nm provides an effective option to treatment of inflammatory acne lesions, especially for Pillsbury I-II acne patients, with minimal reversible side effects, such as transient post-inflammatory pigmentation.


Acne vulgaris; intense pulsed light therapy

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