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Methods for assessment of cutaneous ageing
1Department of Medicine (Dermatology), University of Wales College of Medicine, Heath Park, Cardiff CF4 4XN, UK.
International Journal of Cosmetic Science
|March 18, 2009
Summary
Accurately measuring skin aging requires distinct methods for intrinsic and environmentally-induced aging. No single technique can fully assess cutaneous aging, necessitating a combination of approaches for comprehensive evaluation.
Area of Science:
- Dermatology and Gerontology
- Cosmetic Science
Background:
- Quantitative assessment of skin aging is crucial for evaluating anti-aging treatments.
- Distinguishing between intrinsic aging and environmentally-induced aging (photoaging) is essential.
- Current methods for assessing skin aging vary in invasiveness and specificity.
Purpose of the Study:
- To review methods for quantitative skin aging assessment.
- To highlight the need for tailored techniques based on treatment goals.
- To emphasize the importance of differentiating intrinsic and extrinsic aging factors.
Main Methods:
- Discussion of both invasive and non-invasive techniques for skin aging evaluation.
- Examples include topical retinoic acid's effects on epidermal thickness (invasive) and stratum corneum replacement time (non-invasive).
- Mention of profilometry, ultrasound for skin thickness, and skin color measurement as relevant techniques.
Main Results:
- Various aspects of skin structure and function change with age.
- Specific techniques can quantify changes related to intrinsic aging and photoaging.
- Combined methods provide a more comprehensive assessment of skin aging.
Conclusions:
- No single method is sufficient for a complete assessment of cutaneous aging.
- A combination of invasive and non-invasive techniques is often necessary.
- Assessment should differentiate between intrinsic aging and environmentally-induced damage, particularly solar elastotic changes.
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