Tag Archives: cortex

Monday, July 23, 2012

Let’s Get Geeky – Permanent Haircolor

Haircoloring products generally fall into four categories: temporary, semi-permanent, demi-permanent and permanent. Today I will explain the chemical action of permanent haircolor, which, along with demi-permanent formulas, is most widely used in salons. Permanent haircolor is most often used when 1) covering grey hair and/or 2) a shade lighter than the natural shade is desired.…
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Thursday, July 21, 2011

Let’s Get Geeky

One of my favorite parts of being a cosmetologist is learning all the science behind it all. How is hair constructed, what is it made of, why and how do certain techniques or products work? In short, I'm kind of a nerd. Really understanding what is happening from an anatomical or chemical viewpoint really helps…
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