Where can I purchase the ';Extra'; relaxer for African-American hair?

Who makes the ';Extra'; relaxer/perm?Where can I purchase the ';Extra'; relaxer for African-American hair?
Check this


http://www.amazon.com/gp/search?ie=UTF8%26amp;鈥?/a>Where can I purchase the ';Extra'; relaxer for African-American hair?
Not too sure what you mean by 'extra' , but i know Dark and Lovely do different strengths of relaxer. Think they go up to Extra Strength and they are a good brand - if that's what you mean.
want todo the keratin tx in my hair.... im located in seattle