a person whose work is making, selling, or applying cosmetics
cosmetician in American English
(ˌkɑzmɪˈtɪʃən)
noun
1.
a person who manufactures or sells cosmetics
2.
a person professionally engaged in the application of cosmetics
Word origin
[1925–30; cosmet(ic) + -ician]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: decibel, dropout, gimmick, runout, turnaround