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Assessment of 'dry skin': current bioengineering methods and test designs
T W Fischer1, W Wigger-Alberti, P Elsner
1Department of Dermatology, Friedrich Schiller University, Jena, Germany. Tobias.Fischer@derma.uni-jena.de
Skin Pharmacology and Applied Skin Physiology
|July 21, 2001
Summary
Dry skin, a common dermatological issue, signals impaired skin barrier function. Bioengineering methods effectively assess skin changes and evaluate cosmetic product efficacy and safety.
Area of Science:
- Dermatology
- Bioengineering
- Cosmetic Science
Background:
- Dry skin is a prevalent dermatological concern, indicating epidermal dysfunction, particularly in the stratum corneum, which acts as the skin barrier.
- It can manifest as an individual predisposition or as a primary symptom of conditions like atopic dermatitis or ichthyosis.
- Traditional visual examination is complemented by advanced bioengineering techniques for comprehensive assessment.
Purpose of the Study:
- To explore the utility of bioengineering methods in characterizing dry skin conditions.
- To define parameters for the clinical assessment of moisturizing products and emollients.
- To investigate the safety and efficacy of novel cosmetic formulations.
Main Methods:
- Assessment of skin humidity and barrier function.
- Quantification of skin surface topography.
- Measurement of skin mechanical properties.
- Evaluation of desquamation (skin shedding).
Main Results:
- Bioengineering methods provide objective data on skin hydration, barrier integrity, and surface characteristics.
- Topographical and mechanical skin property assessments are valuable for characterizing dry skin.
- Study designs can be adapted based on product composition for accurate clinical assessment.
Conclusions:
- Modern bioengineering techniques are essential for evaluating dry skin conditions and assessing cosmetic products.
- These methods enable the objective measurement of skin parameters crucial for product development and clinical trials.
- Bioengineering offers a robust approach to ensuring the safety and efficacy of new cosmetic products.