Haircoloring Mastery 12/2/2024

Front

What elements primarily make up a hair strand according to the acronym COHNS? Options: Calcium, Oxygen, Helium, Nitrogen, Sodium; Copper, Oxygen, Hydrogen, Neon, Silicon; Chlorine, Oxygen, Helium, Nitrogen, Sulfur;

Back

Carbon, Oxygen, Hydrogen, Nitrogen, Sulfur

Front

What is the chemical formula for hydrogen peroxide, a common color product?

Back

H2O2

Front

Which of the following is a common color product used in hair treatments? Sodium chloride (NaCl), Ammonia (NH3), Carbon dioxide (CO2), Methane (CH4)

Back

Ammonia (NH3)

Front

What are the three main parts of the hair shaft?

Back

Cuticle, Cortex, Medulla

Front

What is the role of ammonia (NH₃) in hair coloring?

Back

It opens the hair's cuticle for color molecules to enter.

Front

What is the role of hydrogen peroxide (H2O2) in hair coloring?

Back

It is an oxidizing agent that lightens hair by breaking down melanin.

Front

Which property of hair refers to the thickness or thinness of individual hair strands? Fine, Medium or Coarse

Back

Texture

Front

What refers to the number of hair strands per square inch of the scalp? Thin, Medium & Thick

Back

Density

Front

What does porosity refer to in hair?

Back

The hair's ability to absorb moisture and color

Front

What does low porosity in hair indicate?

Back

A tightly closed cuticle, making it harder for color to enter