bonds
weak physical cross-link side bond that is easily broken that is easily broken by water or heat
hydrogen bond
short, fine, unpigmented hair that appears on the body, often referred to as peach fuzz.
vellus hair
(also known as banding) temporary hair removal method that involves twisting and rolling cotton thread along the surface of the skin
threading
depressions running across the nail plates width due to a slowing production of matrix cells
beaus lines
outermost layer of the hair
hair cuticle
strong chemical side bond that joins the sulfur atoms of two neighboring cysteine amino acids to create one cysteine
disulfide bond
fatty or oily secretion that lubricates the skin and preserves the softness of the hair
sebum
temporary hair removal method that involves the use of a thick, warm sugar-based paste
sugaring
also known as subungual melanoma
nail melanoma
fibrous protein layer of the hair
cortex
bonds created when disulfide bonds are broken by hydroxide chemical hair relaxers
lanthionine bond
long, coarse, pigmented hair found on the scalp, legs, arms, and body
terminal hair
substance used to remove hair by pulling from the follicles base
epilator
damaged skin around the nail plate becomes split or torn
hangnail
part of the hair that projects above the epidermis
hair shaft
also known as end bond
peptide bond
what are the five CHONS elements?
carbon, oxygen, hydrogen, nitrogen, and sulfur
tweezing
an unhealthy nail condition that is hereditary or caused by injury or diseaseof the nail unit
nail disorder
part of the hair located below the surface of the epidermis
hair root
bonds that cross-link polypeptide chains and are responsible for the extreme strength and elasticity of human hair
side bonds
what is a cowlick
hair that grows straight up or at a different angle than the other hair
removal of hair by means of an electric current that destroys the hairs growth cell
electrolysis
finger with visible redness, pain, swelling, broken skin, or pus
infected finger
tube-like structure in the skin or scalp that surrounds the hair root and anchors the hair in the skin
hair follicle