Chapter 21 Review Questions? All Answers

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chapter 21 Q\u0026A Cosmetology State Board Test Review

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What are the 2 categories of hair color?

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Haircoloring products generally fall into two categories: non-oxidative (temporary and semi- permanent) and oxidative (demi-permanent and permanent). All (except temporary) require a patch test. All permanent haircolor products and lighteners contain both a developer (oxidizing agent) and an alkalizing ingredient.

What are three reasons why people color their hair?

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A few common reasons clients color their hair include the following:
  • To cover up or blend gray hair.
  • To enhance an existing haircolor.
  • To create a fashion statement of self expression.
  • To correct unwanted tones in hair from environmental exposure such as sun or chlorine.
  • To accentuate a particular haircut.

Why are people coloring their hair?

“Colouring your hair can emphasize texture and add luster to bring back your hair’s shine due to overexposure,” says Pacheco. Achieve extra volume with the thickening agents found in some hair dyes, but always get the full look that comes with a change in hair colour.

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What are some reasons why clients color their hair?

A few common reasons clients color their hair include the following:
  • To cover up or blend gray hair.
  • To enhance an existing haircolor.
  • To create a fashion statement of self expression.
  • To correct unwanted tones in hair from environmental exposure such as sun or chlorine.
  • To accentuate a particular haircut.

Why do people colour their hair quizlet?

Why do people color their hair? Cover up or blend gray (unpigmented) hair, ENhance an existing haircolor, create a fashion statement or statement of self-expression, Correct unwanted tones in hair caused by environmental exposure such as sun or chlorine, Accentuate a particular haircut.

Why do girls colour their hair?

You may think that we women only dye our hair for one reason — because we want to — but after consulting with a few female friends, I can safely say that is not the only reason. As with most things in life, we experience ADD with our appearance; this is the most drastic, yet semi-permanent way to change ourselves.

What are the 4 categories of hair color?

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Hair color can be broken down into four main types: temporary, semi-permanent, bleach and permanent.

What are the four classification of hair coloring?

The four most common classifications are permanent, demi-permanent (sometimes called deposit only), semi-permanent, and temporary.

What are the classifications of hair color?

Hair dye can be classified into five categories, according to the type of dye and its persistence on the hair: temporary, semipermanent, permanent, metal salt, and botanical hair color.

What are the 2 categories of hair color?

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Haircoloring products generally fall into two categories: non-oxidative (temporary and semi- permanent) and oxidative (demi-permanent and permanent). All (except temporary) require a patch test. All permanent haircolor products and lighteners contain both a developer (oxidizing agent) and an alkalizing ingredient.

What are the three types of hair dyes?

The Three Types of Hair Dyes

There are three types of hair dyes – temporary, semi-permanent and permanent – and they color hair differently. Hair salons generally use semi-permanent or permanent hair dyes, both of which contain a range of chemical ingredients.

How does the hair’s porosity affect hair color?

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If your hair sinks, it has high porosity, which means it will take color but may not hold onto it too long. If it floats somewhere in the middle, then (you guessed it), it has medium porosity – which means your hair can absorb color easily and maintain it over time.

How does the hair porosity affect haircolor?

If your hair floats, it has low porosity, which means it will have a more difficult time both taking in and holding onto color. If your hair sinks, it has high porosity, which means it will take color but may not hold onto it too long.

Does high porosity hair take color better?

High porosity hair should easily absorb hair color. However, it can absorb color too fast if it’s exceptionally porous. Some sections of hair will absorb more color than others, and you’ll get an uneven dye job. Highly porous hair may also have trouble holding the color.

How does texture and porosity affect hair color?

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When the cuticle is damaged and raised, any colour mixture which is applied to the hair will penetrate too easily and be over-absorbed, which can lead to darker, duller colour outcomes. Increased hair porosity can also lead to rapid colour fade, as the raised hair cuticles can leak colour pigment molecules.

Does low porosity hair take color well?

Low porosity

This hair does not allow moisture to enter or leave the hair, such as water, dye and other products. Hair may not hold onto colour well even if it’s blonde because the pigment cannot penetrate the protective layer. Low porosity hair needs to be treated to achieve the best results!

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