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Shampoo Chemistry

Shampoo Chemistry. Flash Cards. QUESTION # 1. Anionic , cationic , nonionic , and amphoteric are the 4 major types of ___. ANSWER # 1. Surfactants. QUESTION # 2. The solvent water makes up _____ % of a shampoo. ANSWER # 2. 45-75 %. QUESTION # 3. Water containing a lot of

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Shampoo Chemistry

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  1. Shampoo Chemistry

  2. Flash Cards

  3. QUESTION # 1 Anionic, cationic, nonionic, and amphotericare the 4 major types of ___.

  4. ANSWER # 1 Surfactants

  5. QUESTION # 2 The solvent water makes up _____ % of a shampoo.

  6. ANSWER # 2 45-75 %

  7. QUESTION # 3 Water containing a lot of ___ is called hard water.

  8. ANSWER # 3 minerals that reduce the ability of soap or shampoo to form lather

  9. QUESTION # 4 TRUE or FALSE Rain water is considered to be hard water.

  10. ANSWER # 4 FALSE Rain water is considered to be soft water

  11. QUESTION # 5 Hair cuticle cells will shrink and harden in what type of solution?

  12. ANSWER # 5 Acidic

  13. QUESTION # 6 What is the main ingredient in ‘natural’ soaps?

  14. ANSWER # 6 • Plant oils, or • Animal fats

  15. QUESTION # 7 Describe the interface where detergent works.

  16. ANSWER # 7 The surface boundary where oil and water meet

  17. QUESTION # 8 Name 4 organic acids

  18. ANSWER # 8 • citric • lactic • malic • acetic

  19. QUESTION # 9 What type of product is most likely to contain an amphoteric surfactant, and why?

  20. ANSWER # 9 Baby shampoo b/c it is less irritating

  21. QUESTION # 10 To what does the lipophilic end of a detergent molecule stick?

  22. ANSWER # 10 oil

  23. QUESTION # 11 What does a humectant do?

  24. ANSWER # 11 Acts like a sponge and attracts new moisture to the skin

  25. QUESTION # 12

  26. ANSWER # 12

  27. QUESTION # 13 Name 4 common plant oils used in soap making.

  28. ANSWER # 13 • Coconut • Palm • Olive • Castor

  29. QUESTION # 14 Ammonium lauryl sulfate, sodium lauryl sulfate, and sodium laureth sulfate are all common ___.

  30. ANSWER # 14 surfactants or detergents

  31. QUESTION # 15 What is unique about cationic surfactants?

  32. ANSWER # 15 They have antibacterial properties

  33. QUESTION # 16 What is the name of the ingredient that is added to a shampoo to counteract the effects of hard water?

  34. ANSWER # 16 chelators

  35. QUESTION # 17 What is unique about amphoteric surfactants?

  36. ANSWER # 17 They can have either a (+) or a (-) charge.

  37. QUESTION # 18 Why are coloring and fragrances added to shampoos and conditioners?

  38. ANSWER # 18 b/c 90% of all shampoo and conditioner sales are based on smell and look, not on how well they work

  39. QUESTION # 19 Why are proteins and protein derivatives added to shampoos ?

  40. ANSWER # 19 To improve the texture and/ or elasticity (strength) of hair

  41. QUESTION # 20 Name 2 types of substances used as thickening agents for shampoos and conditioners

  42. ANSWER # 20 • Plant gums • Synthetic polymers

  43. QUESTION # 21 Name 3 fatty acids

  44. ANSWER # 21 • lanolin • Oleic • Stearic

  45. QUESTION # 22 TRUE or FALSE Over time, the most damaging thing to your hair is repeated used of a blow dryer.

  46. ANSWER # 22 FALSE Sunlight

  47. QUESTION # 23 TRUE or FALSE Scalp sebum contains a lot of fatty acids b/c they make good conditioning agents.

  48. ANSWER # 23 TRUE

  49. QUESTION # 24 How dochelatorswork?

  50. ANSWER # 24 The (-) ‘claw’ grabs ahold of the (+) metals in the hair …..it’s the attraction between (+) and (-)

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