Chap. 15 Scalp Care, Shampooing, and Conditioning Flashcards
The two basic requirements for a healthy scalp are cleanliness and:
stimulation
Proper detangling of the hair should always begin at__________to ensure that no additional friction or stress is added to the hair.
the ends of the hair
The most highly recommended brushes are made with_______bristles.
natural
It is important to remember to maintain___________when giving a shampoo.
good posture
How does a highly alkaline shampoo affect tinted hair?
It causes color to fade
Water is called the _________solvent because it is capable of dissolving more substances than any other solvent.
universal
The water purification treatment that causes matter to sink to the bottom is called:
sedimentation
The water purification treatment in which water passes through a porous substance, such as filter paper or charcoal, is known as:
filtration
What is the process of heating water until it becomes a vapor, then condensing the vapor so that it collects as a liquid?
Distillation
Rain water or chemically softened water is considered to be_________water.
soft
Water that contains minerals that lessen the ability of soap or shampoo to lather readily is considered to be_________water.
hard
The main ingredient in most shampoos is:
water
The hydrophilic end of a surfactant molecule is considered to be:
water-attracting
The lipophilic end of a surfactant molecule is considered to be:
oil-attracting
A shampoo that is balanced to the pH of skin and hair, or 4.5 to 5.5, is known as:
pH-balanced