Hair Chemistry: Structure and Components

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Questions and Answers

What component of hair provides color and protects it from sun damage?

  • Melanin
  • Cortex
  • Medulla
  • Epicuticle (correct)

Which part of a healthy hair is responsible for strengthening the hair?

  • F-Layer
  • Cortex (correct)
  • Medulla
  • Cuticle

What wears off on the hair surface due to various external and internal factors, leading to reduced hydrophobicity?

  • Medulla
  • Cortex
  • Epicuticle
  • F-Layer (correct)

Which component of hair consists of methyleicosanoic acid (18-MEA)?

<p>Medulla (C)</p> Signup and view all the answers

What is the main role of the Cuticle in hair composition?

<p>Acts as a natural conditioner (A)</p> Signup and view all the answers

Which layer of the cuticle cell comprises a thin proteinaceous membrane?

<p>Epicuticle (B)</p> Signup and view all the answers

What is a key benefit of the synergy of the triple ingredients mentioned in the text?

<p>Reduce heat transfer from hair surface to cortex (D)</p> Signup and view all the answers

Which component of the structure of Amodimethicone improves its spreadability?

<p>Methyl groups (C)</p> Signup and view all the answers

What is the role of the nitrogen groups in Amodimethicone according to the text?

<p>Improve affinity to hair (C)</p> Signup and view all the answers

Which feature contributes to preventing excessive build-up of other polymers in Resishine SE02?

<p>Nitrogen groups (D)</p> Signup and view all the answers

What was the result of the long-lasting conditioning effects test on damaged hair tresses treated with Resishine SE02?

<p>Tresses were preferred each time by a panel (C)</p> Signup and view all the answers

What was the percentage of Resishine SE02 used in the shampoo formulation during the evaluation?

<p>2% (C)</p> Signup and view all the answers

What is the recommended range for the level of polymeric thickener to be used with RESISHINE SE 02 in standard shampoo systems?

<p>0.1–0.5 wt.% (C)</p> Signup and view all the answers

What precautions are advised in terms of storage for the RESISHINE SE 02 product?

<p>Store in a cool, dry, and ventilated place (A)</p> Signup and view all the answers

What is the consequence of exceeding the recommended viscosity range when using a polymeric thickener with RESISHINE SE 02?

<p>Decreased product stability (A)</p> Signup and view all the answers

What type of packing options are available for RESISHINE SE 02?

<p>Available in 50 &amp; 200 kg HMHDPE non-returnable carboys (C)</p> Signup and view all the answers

What aspect of the product does RESIL not take responsibility for regarding damages?

<p>Incidental or consequential damages of any kind (B)</p> Signup and view all the answers

If a user has technical questions regarding the use of RESISHINE SE 02, where should they contact for assistance?

<p>RESIL CHEMICALS PRIVATE LIMITED (B)</p> Signup and view all the answers

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