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Risk factors in facial hyperpigmentation in Maghrebian population - a case-control study.

Abstract : Triggering factors seem to be multiple in the pathogenesis of facial hyperpigmentation (FH), as dark skin types, pregnancy, sun exposure... The aim of this study was to investigate the risk factors for FH in Maghrebian population. Patients with FH were included in a case-controlled study. Following data were recorded: age, sex, parity, phototype, FH and hormonal-related history, endocrinological features, sunlight exposure, specific cultural behaviours, use of topic corticosteroids and sunscreens. One hundred women (mean age 29.5 ± 13.7 years) were included with 200 age-matched controls. Duration of FH was 32.9 ± 42.2 months. There was a statistically significant relation between FH and hirsutism (P = 0.009), troubles of menstruations (P = 0.008), but not with acne (P = 0.23) and contraceptive oral (P = 0.06) drugs or with history of thyroid disorders (P = 0.13). For cultural factors, there were a statistical significant relation with rubbing by flannel glove (P < 0.05), use of dark soap (P = 0.009) and traditional masks (P < 0.05) but both groups were used to go to hammam. A strong relation was observed between FH and use of topical corticosteroids: 40% in the FH group vs. 5% in the control group (P < 0.05). Both groups used to apply sunscreens: 70% in the FH group and 67% in the control group where as there were no differences in the two groups for sun exposure. No statistical differences were observed regarding to age, phototypes and grade of parity. Our study demonstrated a relation between FH and hyperestrogenemia, rubbing with a friction glove, use of moroccan traditional masks and application of topical steroids. The eviction of all these triggering factors could be an adjuvant recommendation in the assessment of FH.
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https://www.hal.inserm.fr/inserm-00821050
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Submitted on : Tuesday, May 7, 2013 - 11:44:12 AM
Last modification on : Tuesday, October 27, 2020 - 2:35:49 PM

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Hakima Benchikhi, N. Atide, I. Jroundi, Philippe Humbert, H. Lakhdar. Risk factors in facial hyperpigmentation in Maghrebian population - a case-control study.. International Journal of Cosmetic Science, Wiley, 2012, 34 (5), pp.477-80. ⟨10.1111/j.1468-2494.2012.00739.x⟩. ⟨inserm-00821050⟩

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