110.3
Gray hair
A mixture of non pigmented and pigmented hair
Eumelanin
Brown/ black natural pigment
50% gray
Even mixture of pigmented and non pigmented hair
75% gray
Hair will appear lighter overall
Medium
Has average response to color products
Primary factor
Heredity
Small population of eumelanin
Light hair
Melanin
Melanin production slows down and hair strand loses its color results in white hair
25% gray
More pigmented hair and less non- pigmented hair
Melanin
Pigment that gives hair it's natural color and is determed through generic coding
Predominant amount of pheomelanin
Red hair
Pheomelanin
Red/yellow natural pigment
Coarse
Resistant to lightening; may appear to process slightly lighter then intended
Porosity
The ability of hair to absorb moisture liquids or chemicals
Texture
The degree of coarseness or fineness in the hair fiber
Dense concentration of eumelanin
Very dark hair
Fine
When lightening or removing pigment a mild lightener recommended