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Pediatr Dermatol. 2009 May-Jun;26(3):273-8. doi: 10.1111/j.1525-1470.2009.00911.x.

Quantitative assessment of combination bathing and moisturizing regimens on skin hydration in atopic dermatitis.

Author information

1
Department of Dermatology, University of California San Francisco Medical Center, San Francisco, CA 92123, USA.

Abstract

Standard recommendations for skin care for patients with atopic dermatitis stress the importance of skin hydration and the application of moisturizers. However, objective data to guide recommendations regarding the optimal practice methods of bathing and emollient application are scarce. This study quantified cutaneous hydration status after various combination bathing and moisturizing regimens. Four bathing/moisturizer regimens were evaluated in 10 subjects, five pediatric subjects with atopic dermatitis and five subjects with healthy skin. The regimens consisted of bathing alone without emollient application, bathing and immediate emollient application, bathing and delayed application, and emollient application alone. Each regimen was evaluated in all subjects, utilizing a crossover design. Skin hydration was assessed with standard capacitance measurements. In atopic dermatitis subjects, emollient alone yielded a significantly (p < 0.05) greater mean hydration over 90 minutes (206.2% baseline hydration) than bathing with immediate emollient (141.6%), bathing and delayed emollient (141%), and bathing alone (91.4%). The combination bathing and emollient application regimens demonstrated hydration values at 90 minutes not significantly greater than baseline. Atopic dermatitis subjects had a decreased mean hydration benefit compared with normal skin subjects. Bathing without moisturizer may compromise skin hydration. Bathing followed by moisturizer application provides modest hydration benefits, though less than that of simply applying moisturizer alone.

PMID:
19706087
PMCID:
PMC2762386
DOI:
10.1111/j.1525-1470.2009.00911.x
[Indexed for MEDLINE]
Free PMC Article

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