Chapter 12 - Part Two Flashcards
List the two parts of a shampoo molecule and their functions?
A: tail- attracts dirt, grease, debris, oil, but repels water
B: head - attracts water but repels dirt
List the four requirements of a good shampoo?
A: cleans of oils, debris, dirt
B: should work efficiently in hard as well as soft water
C: should not irritate the eyes or skin
D: leave the hIr and scalp in their natural condition
Is rain water soft or hard?
Soft
Is soft or hard water best for all types of shampooing?
Yes
Which type of water contains mineral salts?
Hard water
What is added to water in small amounts during the purification process to kill bacteria?
Chlorine
What electrical charge does a proton have?
Positive charge
What electrical charge does a electron have?
Negative charge
How do protons and electrons help dissolve a solid in water?
Positive and negative charges work together to pull apart, or dissolve the solids
What substance will not mix with water?
Oil and wax
What is the pH range for acids?
0-14
What’s the pH range for alkalis?
7-14
WhT is another term that means the same thing as detergent?
Surfactant
List four classifications of base detergents used in shampoos?
A: anionic- harsh cleanser that produces rich foam, rinses easily from hair
B: cationic
C: nonionic
D: ampholytic
Why is quaternary ammonium compound added to a shampoo?
Antibacterial action
Why is coca ice added to a shampoo?
Versatility, stability, resist shrinkage
What detergent produces a rich foam in hard or soft water and is easily rinsed fro. The hair?
Sodium lauryl sulfate
Which detergent is less alkaline, and is used bc it’s less drying and milder to the hair?
Sodium laureth sulfate
What are the three basic types of wet shampoos?
A: soap shampoos
B: soap less shampoos - foaming or formless
C: cream shampoos
What is the pH of a soap shampoo?
4.5-5.5
What is the major disadvantage of a soap shampoo?
When used w hard water, will not lather and produce residue on hair
What is the main ingredient In a soapless shampoo?
Orris root powder
What two types of soapless shampoos are available for use in hair care products?
Liquid- dry shampoos- dry or powder shampoos
Which type of shampoo should never be used on color treated hair bc it will strip or fade the color?
Medicated shampoos
Which type of a shampoo is used bc it contains oily compounds that make the hair silky and softer. It is recommended for hair that has been chemically straightened?
Moisturizing or conditioning shampoos
Which type of shampoos contain sulphur , tar, creosol, phenol or other antiseptic agents?
Medicated shampoos
