Foundation in injectables

Question 1

What are the 7 layers of the face?

Answer 1

Question 2

What are the intrinsic vs extrinsic factors in ageing?

Answer 2

Intrinsic factors
-genetic

Extrinsic factors
-UV damage 80%
-smoking 19%
-drugs, pollutants, stress 1%

Question 3

How does UVA, UVB, UVC damage the skin?

Answer 3

UVA-A for ageing
reaches the dermis and contributes to ageing of the skin e.g fine lines

UVB-B for burning
reaches the epidermis and causes sunburn

UVC-filtered out by the environment

Question 4

Fillers
What are the 2 main factors of hyaluronic fillers that affect longevity/fullness of the face?

What kind of filler should be used in the deep dermis/ superficial area?

Answer 4

hyaluronic fillers are cross linked by BDDE (1,4-butanediol diglycidyl ether). The more cross links there are, the stronger the filler is-> last longer

Factors of fillers that should be considered
-no of cross links
-% of HA that contributes to fullness

-Higher conc % of HA with more cross links should be used in deep dermis (fuller and last longer)
-lower conc % of HA with less cross links should be used in superficial area