{QUESTIONS WITH ALL ANSWERS 100%
CORRECT}()(Verified by Experts)
Hair structure ...ANSWER...The cuticle, cortex, and medulla.
Texture ...ANSWER...The diameter of an individual hair strand.
Density ...ANSWER...The number of hairs per square inch.
Porosity ...ANSWER...The hairs ability to absorb moisture.
Low porosity-tight cuticle. Resistant hair making it difficult for moisture or chemicals to penetrate.
Requires a longer processing time.
Average porosity-the cuticle is slightly raised. The hair is normal and process in an average amount of
time.
High porosity- the cuticle is lifted the hair is overly porous and colors quickly. Color fades quickly as well.
Eumelanin ...ANSWER...The melanin that lends black and brown colors to hair.
Pheomelanin ...ANSWER...The melanin that gives blond and red colors to hair.
Mixed melanin ...ANSWER...Combination of natural hair color that contains eumelanin and
pheomelanin.
Contributing pigment a.k.a undertone ...ANSWER...Varying degree of warmth exposed during a
permanent color or lightening process.