Details of Grant 

EPSRC Reference:	EP/F021127/1
Title:	Mechanism of hair bleaching: an EPR study
Principal Investigator:	Chechik, Dr V
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department:	Chemistry
Organisation:	University of York
Scheme:	Standard Research
Starts:	03 March 2008	Ends:	02 September 2009	Value (£):	143,394
EPSRC Research Topic Classifications:	Analytical Science Chemical Structure
EPSRC Industrial Sector Classifications:	Chemicals
Related Grants:
Panel History:	Panel Date Panel Name Outcome 22 Aug 2007 Chemistry Prioritisation Panel (Science) Announced
Summary on Grant Application Form
Hair bleaching is a vital part of hair care industry. Unfortunately, the bleaches are strong oxidizing reagents, and apart from lightening the hair colour, cause some damage to the hair. The most successful recipes for hair bleaching work quite selectively, by causing minimum damage while providing the required lightening effect. However these recipes have been largely developed by the trial and error method, and the chemistry involved in the hair bleaching reactions is not well understood. The bleaching is likely to proceed via formation of free radical intermediates. This proposal aims to use EPR spectroscopy to unravel the mechanisms involved in hair bleaching and identify the main intermediates. Such mechanistic understanding of the chemistry involved in hair bleaching will help develop more selective, less damaging recipes in the future.
Key Findings
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Organisation Website:	http://www.york.ac.uk