Disorders and Diseases of the Skin
small epidermal cysts that appear as firm white papule
What is milia?
cause the actual changes in the appearance of the skin
What are performance ingredients?
vitamin A derivative
What is retinol?
lack of water
What is dehydration?
What are sudoriferous glands?
a non inflamed build up of cell, sebum, and other debris inside follicles
What is a comedo?
plural... comedones
help place, spread, and keep other substances on the skin
What are emollients?
AHA with the smallest molecular structure and has the ability to penetrate the deepest of all AHAs
What is glycolic acid?
factors that prohibit a treatment due to a condition
What is a contraindication?
an oily substance that protects the surface of the skin and lubricates both the skin and hair
What is sebum?
lack of pigment
What is hypopigmentation?
reduce tension between the skin and the product, and also increase the ability of cosmetic products to spread
What are surfactants?
Acidic form of vitamin C
What is L ascorbic acid?
water loss caused by evaporation on the skin's surface
What is TEWL?
Transepidermal water loss
The outermost layer of the skin, composed of 5 layers called strata
What is the epidermis?
birthmark
What is nevus?
surfactants that cause oil and water to mix
What is an emulsifier?
Oil soluble BHA., helps unclog pores
What is salicylic acid?
factors over which we have little control because they are a part of our genetics and familial heredity
What is intrinsic?
the enzyme tat stimulates melanocytes and thus produces melanin
What is tyrosinase?
ringworm
What is tinea corporis?
ingredients added to cosmetics that boost the efficacy of preservatives
What are chelating agents?
helps repair barrier function; improve hydration; soften
What are ceramides?
wrinkles
What are rhytids?
keratin filaments-- the protein bonds that create the junctions between the the cells
What are desmosomes?