Intense pulsed light may improve inflammatory acne through TNF-α down-regulation.

@article{Taylor2014IntensePL,
  title={Intense pulsed light may improve inflammatory acne through TNF-α down-regulation.},
  author={Marisa Taylor and Rebecca M. Porter and Maria del Puerto L{\'o}pez del Amo Gonz{\'a}lez},
  journal={Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology},
  year={2014},
  volume={16 2},
  pages={96-103}
}
BACKGROUND Despite many studies on the action of yellow light in acne, its efficacy and mechanisms of action are still unclear. OBJECTIVES To determine if IPL can cause a clinical improvement in acne and whether it modifies TLR2 and TNFα expression. METHODS Twenty-one patients with mild to moderate acne involving their backs received 530 nm IPL treatments once every 2 weeks. Assessments at baseline and after the fourth treatment included lesion counts, Leeds grading and SER. Biopsies from… CONTINUE READING

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