Itching sensation and neuronal sensitivity of the skin

Background Sensitive skin is a universal term in the field of cosmetology. In addition, the development and demand for sensitive skin cosmetics is increasing. However, there is no appropriate method for detecting sensitive skin. Methods We analyzed the relationship between the frequency of response...

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Bibliographic Details
Published in:Skin research and technology 2016-02, Vol.22 (1), p.104-107
Main Authors: Ham, H., An, S. M., Lee, E. J., Lee, E., Kim, H. O., Koh, J. S.
Format: Article
Language:English
Subjects:
Adult
CPT value
Differential Threshold
Electric Stimulation - methods
Electrodiagnosis - methods
Female
Humans
Hyperalgesia - physiopathology
itching
Lactic Acid
neurometer
Pain Perception
Pruritus - physiopathology
Reproducibility of Results
sensitive skin
Sensitivity and Specificity
Skin - drug effects
Skin - physiopathology
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Summary:Background Sensitive skin is a universal term in the field of cosmetology. In addition, the development and demand for sensitive skin cosmetics is increasing. However, there is no appropriate method for detecting sensitive skin. Methods We analyzed the relationship between the frequency of response at each sensation (stinging, burning, and itching) during a lactic acid sting test and the current perception threshold (CPT) value of each frequency. To reconfirm this relationship, we analyzed differences of the CPT value (5 Hz) between the itch responder and non‐itch responder groups. Results There is a significant correlation between itch sensation and CPT values of 5 Hz. The itch responder group showed significantly lower sensory perception value of 5 Hz than the non‐itch responder group. Conclusion The CPT value (5 Hz) can be used for scanning for itching sensations when a cosmetic or its ingredients possibly cause the sensation.
ISSN:0909-752X
1600-0846
DOI:10.1111/srt.12236