All hair must be disposed of:

All natural hair color is the result of pigment located in the cortex called:

The ability of the hair to absorb moisture is: 

The process of chemically altering the natural wave pattern of hair is: 

Chemical services should not be performed if the scalp analysis shows any signs of: 

To reduce strain on the index finger and thumb while cutting hair, it is important to: 

The technique of drying and styling damp hair in one operation is: 

Tools must be _____________________ in a disinfectant to be properly decontaminated. 

Nippers should be used to carefully trim away: 

Non-pathogenic bacteria are: