Skin Whitening Products

Question 1

skin lightening actives

Answer 1

1. hydroquinone
2. arbutin
3. kojic acid
4. azelaic acid
5. niacinamide
6. soyabean
7. alpha hydroxy acid
8. retinoic acid
9. vitamin C

Question 2

inhibition of TYR acitvity

Answer 2

hydroquinone, arbutin, vitamin c

Question 3

promotes skin desquamation

Answer 3

alpha hydroxy acid, retinoic acid

Question 4

inhibition of catecholase activity of TYR

Answer 4

kojic acid

Question 5

melanin inhibition in melanoma cells

Answer 5

azelaic acid

Question 6

inhibition of melanosome transfer

Answer 6

niacinamide

Question 7

inhibits PAR 2 cleavage

Answer 7

soyabean

Question 8

common active of ponds

Answer 8

niacinamide

Question 9

not allowed for use in cosmetics

Answer 9

azelaic acid

Question 10

suspected to destroy melanocytes and is considered a very effective whitening active

Answer 10

hydroquinone

Question 11

skin color measurements

Answer 11

mexameter and choromameter

Question 12

measure erythema and melanin index

Answer 12

mexameter

Question 13

T/F: if skin whitening is effective, it should decrease over time

Answer 13

T

Question 14

if whitening product is effective, ligthness should _______________ over time

Answer 14

increase

Question 15

if whitening product is effective red/green coordinates should __________________ over time

Answer 15

decrease

Question 16

if whitening product is effective yellow/bblue coordinate should ____________________ over time

Answer 16

decrease