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The Effect of Skin Sebum, pH, and Moisture on Demodex Infestation in Acne Vulgaris and Rosacea Patients.

Turkiye Parazitol Derg. 2017 Sep;41(3):143-147

Authors: Turan N, Kapıcıoğlu Y, Saraç G

Abstract
OBJECTIVE: Acne vulgaris is an inflammatory disease involving the pilosebaceous unit. Rosacea is a chronic inflammatory skin disease that affects the face in particular. This study aimed to determine if skin sebum, pH, and moisture affect the number of Demodex spp. in acne vulgaris and rosacea patients.
METHODS: This study focused on 30 patients each with acne vulgaris and rosacea. As a control group, 60 healthy individuals were included.
RESULTS: In acne vulgaris patients, when compared to those with Demodex mite more than 5 /cm2 in each area, less than 5/cm2 were found to be oily, acidic, dry or very dry. However, there was no significant difference in moisture value. In patients with rosacea, the skin was acidic and dry in patients those with more than 5/cm2 Demodex mites when compared to those with demodex mite less than 5 /cm2 in patients in each of the right cheek and nose areas. There was no difference in skin oil level.
CONCLUSION: The oily, acidic, dry, and very dry skin of the acne vulgaris patients and the oily, acidic, and very dry skin of the rosacea patients are factors facilitating the development of Demodex ssp.

PMID: 29035242 [PubMed - in process]

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