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Has mildness replaced cleanliness next to godliness?
1Department of Dermatology, Tel-Aviv Sourasky Medical Center, Ichilov Hospital, Israel.
Dermatology (Basel, Switzerland)
|January 1, 1994
Summary
The development of the soap chamber test revolutionized soap safety assessments. This method uses extreme conditions to better evaluate mildness and gentleness, leading to improved product quality.
Area of Science:
- Dermatology
- Cosmetic Science
- Product Safety Assessment
Background:
- Traditional soap usage tests lacked sensitivity in detecting differences between products.
- Previous methods often failed to adequately assess mildness and irritancy under normal conditions.
Purpose of the Study:
- To introduce and explain the significance of the soap chamber test for evaluating soap irritancy.
- To highlight the shift towards assessing soap gentleness and mildness through advanced testing methods.
Main Methods:
- The soap chamber test, developed by Frosch and Kligman, utilizes extreme conditions on sensitive skin.
- Incorporation of instrumental methods like transepidermal water loss and skin conductance measurements.
- Exaggerated use tests were employed to enhance sensitivity and discrimination between soaps.
Main Results:
- The soap chamber test provides stronger reactions, emphasizing subtle differences between soaps.
- Instrumental and exaggerated use tests improved the ability to discriminate soap irritancy.
- This led to a greater focus on safety, mildness, and gentleness in soap development.
Conclusions:
- The soap chamber test and related methodologies transformed soap quality assessment.
- These advanced tests enable a more accurate evaluation of soap mildness and safety.
- The industry now prioritizes gentleness and reduced irritation as key soap attributes.