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Journal of Thermal Analysis and Calorimetry

, Volume 106, Issue 2, pp 399–405 | Cite as

Thermal analysis of hair treated with oxidative hair dye under influence of conditioners agents

  • Robson Miranda da Gama
  • Tatiana Santana Balogh
  • Simone França
  • Tânia Cristina Sá Dias
  • Valcinir Bedin
  • André Rolim Baby
  • Jivaldo do Rosário Matos
  • Maria Valéria Robles Velasco
Article

Abstract

This research aimed the effect on Caucasian hair tresses treated with oxidative hair dye, either incorporated or not with conditioners agents, analyzed by Differential Scanning Calorimetry (DSC) and Thermogravimetric analysis (TG). The formulations of hair dyes were emulsions oil-in-water with light blond color containing or not the conditioners agents: silanetriol and panthenol; PEG-12 dimethicone; hydrolyzed silk, hydrolyzed milk protein, and lactose. Each dye (1.5 g) was applied in the hair tress (2.0 g/20.0 cm of length of Caucasian light-brown), previously treated, more 1.5 g of hydrogen peroxide 20 vol during 40 min. Evaluation of mass loss of the different hair sample demonstrates that these chemical hair treatments impair the hair fibers, reduced their moisture content with respect to the untreated hair. The incorporation of conditioners agents (silanetriol and panthenol; PEG-12 dimethicone; hydrolyzed silk, hydrolyzed milk protein, and lactose) in oxidative hair dyes types did not decrease the damage caused on the tresses by the coloring process quantified by TG/DTG. However, the DSC curves demonstrated those conditioners agents (silanetriol and panthenol; PEG-12 dimethicone) dislocated the beginning of the third event in 20 °C and they inhibited the presence of the fourth event, having characterized thermal protection to the hair.

Keywords

Oxidative hair dye Conditioners agents Hair properties Thermal analysis 

Notes

Acknowledgements

The authors acknowledge CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior) of the Brazilian Ministry of Education.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2011

Authors and Affiliations

  • Robson Miranda da Gama
    • 1
    • 2
  • Tatiana Santana Balogh
    • 1
  • Simone França
    • 1
  • Tânia Cristina Sá Dias
    • 1
  • Valcinir Bedin
    • 3
  • André Rolim Baby
    • 1
  • Jivaldo do Rosário Matos
    • 4
  • Maria Valéria Robles Velasco
    • 1
  1. 1.Laboratory of Cosmetology, School of Pharmaceutical SciencesUniversity of São PauloSão PauloBrazil
  2. 2.Laboratory School of Semi Industrial of Pharmacy (LESIFAR), School of PharmacyUniversity of Santo AmaroSão PauloBrazil
  3. 3.Healthy Skin Foundation and Hair and Skin Research and Treatment InstituteSão PauloBrazil
  4. 4.Laboratory of Thermal Analysis Ivo Giolito (LATIG), Chemistry InstituteUniversity of São PauloSão PauloBrazil

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