Journal of the European Academy of Dermatology and Venereology : JEADV
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J Eur Acad Dermatol Venereol · Apr 2011
Controlled Clinical TrialA pilot methodology study for the photographic assessment of post-inflammatory hyperpigmentation in patients treated with tretinoin.
Post-inflammatory hyperpigmentation (PIH) is a common occurrence in patients with acne vulgaris, particularly in those with skin of colour. ⋯ Further study with a larger population is recommended to validate the accuracy of this method.