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Penetration of cationic conditioning compounds into hair fibers: A TOF‐SIMS approach
Author(s) -
Ruetsch S. B.,
Kamath Y. K.
Publication year - 2006
Publication title -
international journal of cosmetic science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 62
eISSN - 1468-2494
pISSN - 0142-5463
DOI - 10.1111/j.1467-2494.2006.00304_1.x
Subject(s) - cationic polymerization , penetration (warfare) , secondary ion mass spectrometry , conditioning , chemistry , moisture , ion , polymer chemistry , organic chemistry , engineering , statistics , mathematics , operations research
Cationic conditioning compounds protect against hair damage caused by cosmetic chemical treatments and grooming practices. They also enhance the retention of moisture. However, the question as to whether they do this superficially by residing on the hair surface or by penetrating into the fiber remains unanswered. In this work, an attempt has been made to show the penetration of a low‐molecular‐weight cationic conditioning compound into the hair cortex using the time‐of‐flight secondary ion mass spectrometry (TOF SIMS) method, applied in earlier research to show the penetration of oils into hair. An example of the practical benefit of such penetration into the cortex in greatly improving the fatigue resistance of hair has been discussed.