The cuticle.
It causes a physical change because it just lies on the hair, on it's cuticle.
Bleaching your hair is chemical change
take small section of hair and push your fingers up the hair shaft if you feel bumps your hair is poroise
Chemical change
Tresemme makes a variety of different hair products that advertise stronger, longer, and thicker hair. The chemical in Tresemme that makes hair stronger is keratin.
It is when your hair comes in contact with the sun. When that happens some kind of chemical stuff is altered in the hair and some of the hair shaft gets lighter.
It causes a physical change because it just lies on the hair, on it's cuticle.
The hair root is in the skin of your scalp. The hair shaft is the rest of the hair that you see.
The bulk of a hair shaft is keratin.
the purpose of the hair shaft is to protect and moisturize the scalp.
If you have a flat shaft then then you have curly hair. If you have straight hair you have an oval shaft. It always depends on what type of shaft you have. It also depends if you have wavy hair or not.
hair shaft
The structure of a hair shaft is where it grows and goes through the three different phases
only if you dye your hair frequently,if not it wont bother it as much
Hair Shaft
Hair Shaft
hair shaft