Fabricated by the cosmetician? (4,2)

I believe the answer is:

made up

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'fabricated' is the definition.
('make up' can be a synonym of 'fabricate')

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for made up that I've seen before include "Supplied" , "Highly delighted" , "Put together" , "brought quarrel to an end" , "Chuffed" .)

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