JCDSA  Vol.3 No.4 , December 2013
Evaluation of a Barrier Repair Cream Containing Pseudo-Ceramide for Practical Use by Hairdressers with Hand Skin Disorders Due to Daily Exposure to Chemical Irritants
Abstract: Hairdressers are exposed to numerous skin-damaging factors, such as wet work, skin irritants, and thermal changes. Skin protection is a very important factor for the prevention of occupational skin disorders. Therefore, we evaluated a hand cream that was specially formulated for highly stressed skin with regard to its capability to reduce dry, rough, and scaly skin. The objective of this study was to conduct a controlled use test of a barrier repair cream containing pseudo-ceramide and demonstrate its efficacy for hairdressers with dry, sensitive hands and/or occupational skin disorders. A total of 30 hairdressers (29 females and 1 male, aged 20 - 67) participated in the study. All subjects suffered from dry hands. Subjects applied the test cream on their hands for 28 days (four weeks). For each subject, the skin surface topography of the hands was measured by the Surface Evaluation of Living Skin (SELS) system at day 14 (week 2) and day 28 (week 4). Dryness, scaling, cracking, redness, and itchiness were evaluated and graded by experts at week 2 and week 4, and then compared to baselines. All 30 subjects completed the study. A comparison of the changes from baseline to endpoint revealed a statistically significant reduction in skin roughness, scaling, and volume measured according to SELS. These data were confirmed by photographic documentation. The results were further supported by the expert evaluation. For the symptoms dryness and scaling, improvement could be observed in almost all regions of the hands. In addition, according to subjective assessments of overall hand skin condition and the hand cream, subjects reported clear improvement over time (p value below 0.001) and good efficacy of the product. In this study, the test hand cream showed excellent skin compatibility. Therefore, the hand cream may be effective for hairdressers with dry, sensitive hands and/or occupational skin disorders.
Cite this paper: A. Takahashi, A. Kirst, U. Heinrich, A. Kiyomine, K. Ishida, H. Tronnier, H. Theis, T. Nishizaka and H. Tanabe, "Evaluation of a Barrier Repair Cream Containing Pseudo-Ceramide for Practical Use by Hairdressers with Hand Skin Disorders Due to Daily Exposure to Chemical Irritants," Journal of Cosmetics, Dermatological Sciences and Applications, Vol. 3 No. 4, 2013, pp. 263-270. doi: 10.4236/jcdsa.2013.34040.

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