Transepidermal water loss, stratum corneum hydration, and skin surface pH of female African and Caucasian nursing students

Background Conflicting evidence exists on how skin barrier function compares between Africans and Caucasians. This study measured skin barrier function of South African first year nursing students before their practical training started to compare skin barrier function between the racial groups. Met...

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Veröffentlicht in:Skin research and technology Jg. 25; H. 1; S. 88 - 95
Hauptverfasser: Young, Monica M, Franken, Anja, Plessis, Johan L
Format: Journal Article
Sprache:Englisch
Veröffentlicht: England John Wiley & Sons, Inc 01.01.2019
Schlagworte:
Cosmetics industry
Health risks
Hydration
Nursing
nursing students
pH effects
racial differences
Skin
Skin barrier function
Skin diseases
Stratum corneum
Students
Training
Water loss
nursing students
Skin barrier function
racial differences
ISSN:0909-752X, 1600-0846, 1600-0846
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Zusammenfassung:Background Conflicting evidence exists on how skin barrier function compares between Africans and Caucasians. This study measured skin barrier function of South African first year nursing students before their practical training started to compare skin barrier function between the racial groups. Methods Transepidermal water loss (TEWL), stratum corneum (SC) hydration, and skin surface (SS) pH was measured on female first year nursing students (19 African and 31 Caucasian; age range 18‐40 years). Geometric means and ranges were calculated and the influence of anatomical areas and racial differences were evaluated respectively. Results No significant difference in TEWL was established between the racial groups. SC hydration was significantly lower (P ≤ 0.05) and SS‐pH was significantly higher (P ≤ 0.0001) in African nursing students when compared to Caucasians. African nursing students had significantly lower (P ≤ 0.05) SC hydration on their palms when compared to the other anatomical areas. Conclusion Stratum corneum hydration and SS‐pH differed significantly between African and Caucasian skin, while no difference was found for TEWL, the primary parameter used to evaluate skin barrier function. Low SC hydration and high SS‐pH of African nursing students prior to their practical training, may suggest a higher risk for developing occupational skin diseases.
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ISSN:0909-752X
1600-0846
1600-0846
DOI:10.1111/srt.12614