What's the adjective for slickness? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs slick and slicker which may be used as adjectives within certain contexts.
slick
Slippery or smooth due to a covering of liquid; often used to describe appearances.
“Caleb stumbled back, slipped on the slick stone, and fell.”
“His straight, slick hair shone like silver in the moonlight.”
“Because Cotton lacked the star power and slick production values of the Bond pictures, its makers compensated with elements that fulfilled the criteria of exploitation cinema.”