Cosmetic preparation (6)
'cosmetic preparation' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lotion that I've seen before include "Thick liquid for skin" , "Liquid for washing the skin" , "cosmetic cream" , "Medicinal or cosmetic liquid preparation" , "Medicinal or healing liquid" .)
(Other definitions for powder that I've seen before include "Dust" , "secured by a magazine" , "Small loose particles" , "Facial cosmetic" , "Solid that has been pulverised" .)
(Other definitions for face pack that I've seen before include "mud" , "cream left on mug" , "It may make one look better" , "what Akela might do" , "Cosmetic application" .)