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Current research on ethnic hair

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Presentation on theme: "Current research on ethnic hair"— Presentation transcript:

1 Current research on ethnic hair
A. Franbourg, PhDa, P. Hallegot, PhDb, F. Baltenneck, PhDb, C. Toutaina, F. Leroy, PhDb  Journal of the American Academy of Dermatology  Volume 48, Issue 6, Pages S115-S119 (June 2003) DOI: /mjd Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

2 Fig. 1 Hair structure scheme.
Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

3 Fig. 2 Radial swelling in water.
Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

4 Fig. 3 Radial swelling as a function of hair diameter.
Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

5 Fig. 4 Device used for geometry and morphology analysis.
Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

6 Fig. 5 Load and strain curves of African, Asian, and Caucasian hair.
Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

7 Fig. 6 Stress and strain curves of African, Asian, and Caucasian hair.
Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions

8 Fig. 7 Focus on a hair fracture. Macrofibrils of the cortex can be observed through the opening of the cuticle. (Hair has been maintained at 0.8 Torr during image acquisition to achieve better contrast; no modification of the sample has been observed during image acquisition.) An environmental scanning electron microscope (ESEM) picture. Journal of the American Academy of Dermatology  , S115-S119DOI: ( /mjd ) Copyright © 2003 American Academy of Dermatology, Inc Terms and Conditions


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