Hair Damage
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Hair damage and how it relates to combing, shampooing, chemical treatment, thermal treatment, and weather exposure.
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Hair Damage
- 1. HAIR DAMAGE Dr Ali Naqi Syed Presented to Hair Dressing Lecturers, UK www.dralisyed.com July 3, 2008
- 4. Damage from Combing & Brushing – Lifting of Cuticles
- 5. Auto Hair Combing System
- 6. Auto Hair Combing System
- 9. Untreated and Swollen Cuticles: Untreated Cuticles Swollen Cuticles
- 13. Draize Skin Irritation Scale for Chemicals Source: Schoenberg. Drug and Cosmetic Industry, November 1983
- 14. Source: Cosmetics & Toiletries Magazine.
- 15. Skin Irritation of Detergents Source: Cosmetics & Toiletries Magazine .
- 16. Skin Irritation Scores of Certain Detergents
- 18. Foam Comparison Source: McIntyre Group, University Park, IL. USA
- 19. Draize – Eye Irritation Ranking of Detergents Source: McIntyre Group, University Park, IL USA
- 26. A: PERMANENT HAIR RELAXING
- 29. Untreated Hair - 1 Phase
- 30. Hair Treated with Conditioner - 2 Imaging Conditions Scanner: basic scan head (70 m) Imaging mode: dynamic-force mode AFM probe used: ACLA Post Processing: SPIP Profile: Y=8um Phase
- 31. Hair Treated with SS Relaxer - 3 Imaging Conditions Scanner: basic scan head (70 m) Imaging mode: dynamic-force mode AFM probe used: ACLA Post Processing: SPIP Profile: Y=6um Phase
- 34. Longitudinal and Radial Cracks
- 35. Longitudinal Cracks Due to Chemical Treatments
- 36. Longitudinal crack extending the entire length of fiber
- 37. pH of Hair & Scalp at Various Stages During The Relaxer System Statistically Significant
- 38. 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 pH 1 2 3 4 5 6 Stage of process Hair pH Changes - Relaxing Process Before application of product After application of Protecto After application of relaxer After rinsing of relaxer After rinsing 5 in 1 Conditioner After rinsing of Normalizing Shampoo
- 39. 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 pH 1 2 3 4 5 6 Stage of process Scalp pH Changes - Relaxing Process Before application of product After rinsing 5 in 1 Conditioner After rinsing of relaxer After application of relaxer After application of Protecto After rinsing of Normalizing Shampoo
- 40. Porosity of Hair Treated with Various Chemical Processes
- 42. Comparison of Porosity After Various Chemical Processes
- 44. Damage To Scalp Barrier During Relaxing - Corneometery Statistically Significant
- 45. Damage To Scalp Barrier During Relaxing Process- TEWL Statistically Significant
- 46. Ref: 141-68 to72 Loss of Cuticles during Relaxing
- 51. Untreated Brown Hair with Melanin Granules Melanin Source: Zaviak (1986). Science of Hair Care.
- 53. Hair After Lightening or Melanin Removal Empty Spaces Adpted from Zaviak (1986). The Science of Hair Care.
- 58. Competitive Lightener F’ A Paste Like Rough Mixture MoisturColor Powder Lightener. A Creamy Smooth Mixture
- 60. ELASTIC STRENGTH OF HAIR (0.50% cyclical elongation)*
- 61. Mechanism of Oil Moisturizing Lightener
- 62. De-swelling While Lightening Polyhydric Molecules
- 63. FS OILS in Hair Cortex FSO
- 66. C: PERMANENT HAIR STRAIGHTENING WITH THIOLS
- 70. D: PERMANENT HAIR COLORING
- 73. Elasticity of Hair with Various Shades
- 74. E: THERMAL STRAIGHTENING AND BLOW DRYING
- 75. HAIR ELASTICITY AFTER FLAT IRONS AND BLOW DRYING
- 76. F: HAIR DAMAGE FROM UV EXPOSURE