CHEMICAL TEXTURE SERVICES
long chains of amino acids joined together by peptide bonds
What are polypeptide chains?
the ability of the hair to stretch and return to its original length without breaking
What is elasticity?
non-permanent color whose pigment molecules are too large to penetrate the cuticle
What is temporary color?
direction in which the hair grows
What is growth pattern?
inflammatory condition of the skin
What is dermatitis?
disulfide, salt and hydrogen bonds that cross-link polypeptide chains together
What are side bonds?
provides the brown and black color to the hair
What is eumelanin?
fundamental colors that cannot be created by combining other colors
What are primary colors?
highest point on the top of the head
What is the apex?
thick scar resulting from excessive growth from fibrous tissue
What is a keloid?
the most common reducing agent in permanent wave solutions
What is thioglycolic acid?
outermost layer of the hair
What is the cuticle?
also known as no lift deposit only color
What is demi permanent haircolor?
parting the hair the opposite way in which you cut it in order to check for precision
What is cross checking?
also known as a birthmark; small or large malformation of the skin due to abnormal pigmentation or dilated capillaries
What is nevus?
a service that rearranges the structure of curly hair into a straighter or smoother form
What is chemical hair relaxing?
also known as the growth phase during which new hair is produced
What is anagen phase?
hair that has never been colored
What is virgin hair?
amount of pressure applied when combing and holding a section
What is tension?
abnormal, rounded, solid lump above, within, or under the skin
What is tubercle?
strongest of the side bonds that can only be broken by chemicals
What are disulfide bonds?
ranges from 0 - 14
What is the ph scale?
hair type that is difficult for moisture or chemicals to penetrate
What is resistant?
also known as moving guideline; a guideline that moves as the haircutting progresses.
What is traveling guide?
an abnormal mass varying in size, shape, and color
What is a tumor?