adverb, adverb taking the 'to' particle, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
Describes a smooth, shiny surface, often used for hair, skin, or polished objects. Frequently appears with する or as an adverb with と.
彼女の髪はつやつやしている。
Her hair is glossy.
つやつやの肌に憧れる。
I long for shiny skin.