Hair Conditioner Flashcards
When do we need a conditioner
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the flow of natural oil is …. normal
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the hair has experienced chemicals or thermal damage
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shampoos are used ….
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protective oil film is ……. and …… of moisture occurs.
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Consequences
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hair get dry
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the ……..split and break, revealing the ….. hair fibers
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this gives hair the dry, frizzy look with split ends.
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Why do we use conditioner
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Hair conditioner adds moisture
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Help keep outer shell intact
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reduces the tendency to tangle
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makes hair more manageable and easy to comb.
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Give hair shine and luster
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Phenyltrimethicone
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Hair Shape
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People describe their hair as being thick or thin, coarse or fine. What they are usually talking about is the ….. their hair gives to the head.
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This coverage depends on two things:
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People vary a lot in these two parameters
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The ‘average’ person has around ….. hairs, but people with very dense hair may have as many as ……
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The diameter of the hair shaft is usually around …. µm in Europeans, but in Asians it can be …. µm.
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Hair that is both dense and thick looks completely different from that which is few and fine
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Cosmetics can play …. with the thickness but not with the number…
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Mechanism(s) of hair conditioning
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Animal, vegetable, or mineral oils are used to supplement some of the natural oils removed from or lacking on the hair and scalp, but they can do nothing for the …… of hair.
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