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- Title
A novel LCD (coal tar) solution for psoriasis does not discolor naturally light or color-processed hair in an exaggerated exposure test model.
- Authors
Johnson, Colleen; Edison, Brenda; Brouda, Irina; Green, Barbara
- Abstract
Background Scalp psoriasis is reported to occur in 50–80% of psoriasis sufferers. Treatment of scalp psoriasis requires special consideration of product esthetics and staining potential due to the presence of hair. Aim To evaluate the potential of a new, marketed liquor carbonis distillate (LCD; coal tar) solution to discolor naturally light or color-processed hair under exaggerated exposure conditions. Methods Samples of naturally light and color-processed hair from a single donor were exposed to LCD solution repeatedly over 14 days and via submergence for 24 h. Color of LCD-treated hair samples was compared with untreated control hair samples. Results LCD solution did not discolor naturally light or color-processed hair following repeated exposures and 24 h submergence. Conclusion The marketed LCD solution does not appear to discolor naturally light or color-processed hair.
- Subjects
HAIR dyeing &; bleaching; SCALP; PSORIASIS; COAL-tar colors; STAINS &; staining (Microscopy)
- Publication
Journal of Cosmetic Dermatology, 2009, Vol 8, Issue 3, p211
- ISSN
1473-2130
- Publication type
Article
- DOI
10.1111/j.1473-2165.2009.00453.x