7.  Solve the following system using the substitution method.

Adding _________________ to yellow blonde would make the hair green. 

Level _________ or lighter may not completely cover gray hair. 

Thew gray hair formulation tables provide general guidelines but you should also consider all of the following EXCEPT: 

To create warm copper reds, use a red orange base such as:

9b). Perform the indicated task:        

Refresh faded ends by using ______________. 

_____________      ___________ are used to recondition damaged, overly porous hair and equalize porosity so that the hair accepts the hair evenly from strand to strand and scalp to ends.  

The three most common techniques used to create highlights are Cap technique, foil technique and _______________. 

A pre- softener acts like a ____________ to the hair.