Final Exam Study Guide II Flashcards
TREATING HYPERPIGMENTATION
What is the difference between hyperpigmentation and hypo-pigmentation?
Hyper- overproduction
Hypo- lack of pigment
TREATING HYPERPIGMENTATION
What is the biggest external cause of hyperpigmentation?
Sun exposure
TREATING HYPERPIGMENTATION
A hormonal form of hyperpigmentation characterized by bilateral patches of brown pigmentation on cheeks, jaw, forehead, lip
Melasma
TREATING HYPERPIGMENTATION
What are possible causes for melasma?
Birth control pills, pregnancy, hormonal imbalances, etc.
TREATING HYPERPIGMENTATION
What external cause can exacerbate melasma?
Sun exposure
TREATING HYPERPIGMENTATION
Name 3 examples of tyrosinase inhibitors
Kojic Acid
Azelaic Acid
Hydroquinone
(bearberry, arbutin, niacinamide, vitamin C, licorice)
TREATING HYPERPIGMENATION
Which tyrosinase inhibitor is banned for use in the US in high percentages? (over 3%) Why?
Hydroquinone
It can cause cancer and other side effects
TREATING HYPERPIGMENTATION
What are three methods of stopping melanin production?
Copper binders
Tyrosine inhibitors
Tyrosinase inhibitors
TREATING HYPERPIGMENTATION
What are 3 ways to prevent hyperpigmentation?
Avoid sun exposure
Wear SPF
Tyrosinase inhibitors
UNDERSTANDING MELANIN
Enzyme that stimulates melanocytes and produces melanin
Tyrosinase
UNDERSTANDING MELANIN
The process of melanin production is called
Melanogenesis
UNDERSTANDING MELANIN
True or False:
Melanin is a protein
True
UNDERSTANDING MELANIN
What two components are required in order to form a protein i.e. melanin?
Amino Acid + Enzyme
UNDERSTANDING MELANIN
The protein that gives skin its color and provides protection from the sun
Melanin
UNDERSTANDING MELANIN
Cells that produce pigment granules in the basal layer?
Melanocytes
UNDERSTANDING MELANIN
Pigment-carrying granules
Melanosomes
What are the four components of the acid mantel?
Sebum (oil)
Water
Lipid (fat)
Sweat
What are the four parts of the “less rule”?
Less…
Time
Heat
Pressure
Friction
Rosacea is common in what ages?
30-50
What Fitzpatrick skin type is rosacea most frequently seen in?
1 & 2
What is the pH range of the skin?
4.5-5.5
What is another name for hydrolipidic film?
Acid mantel
Anti-aging exfoliant
AHA or BHA?
AHA
Clearing exfoliant
AHA or BHA?
BHA
Products that are considered negative and are used for desincrustation
Alkaline