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your web page. Chapter 13 Haircoloring
When the cuticle is lifted and the hair is overly porous?The higher the cuticle is lifted the more porous the hair will become causing potential damage to the cortex. When the hair is excessively porous, the cuticle layer is either damaged, lifted up too much or completely missing leaving the hair vulnerable to drying out, constant split ends and prone to breakage.
What product can be used to equalize the porosity of the hair?Porosity Equalizing Spray ensures even pigment absorption on hair with uneven or high porosity. This gentle, lightweight formula also assists in conditioning and detangling the hair and is designed for use prior to a Kenra Color Permanent or Demi-permanent color service.
Are three types of hair lighteners?Colorists can choose from three forms of lighteners: oil, cream, and powder. Oil and cream lighteners are considered on-the-scalp lighteners, which are lighteners that can be used directly on the scalp by mixing the lightener with activators.
Which is a characteristic of semipermanent tints?A semi-permanent color contains no ammonia and deposits only. It does not require mixing with a developer and lasts anywhere from 4 – 12 shampoos. This type of color is used to blend gray or enhance natural color and it's safe for immediate use after a relaxer or perm service.
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