Hair Breakage in Normal and Weathered Hair: Focus on the Black Patient Amy J. McMichael  Journal of Investigative Dermatology Symposium Proceedings  Volume 12, Issue 2, Pages 6-9 (December 2007) DOI: 10.1038/sj.jidsymp.5650047 Copyright © 2007 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 1 Scanning electron micrograph of bubble hair with the gas containing damaged areas simulating bubbles on the hair shaft. (photo courtesy of P&G Beauty) Journal of Investigative Dermatology Symposium Proceedings 2007 12, 6-9DOI: (10.1038/sj.jidsymp.5650047) Copyright © 2007 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 2 Light microscopy photo of broken hair shaft with trichorrhexis nodosa changes. Original magnification × 40. Journal of Investigative Dermatology Symposium Proceedings 2007 12, 6-9DOI: (10.1038/sj.jidsymp.5650047) Copyright © 2007 The Society for Investigative Dermatology, Inc Terms and Conditions