The quality or state of being crepey; the degree to which something has a wrinkled, creased, or papery texture.
From crepey (adjective) + -ness (noun-forming suffix creating abstract nouns), making an abstract noun for the quality of having crepe-like texture.
The word 'crepiness' lets dermatologists and beauty companies discuss aging scientifically, but it's fascinating that an entire cosmetic industry exists to prevent a texture we describe using fabric metaphors!
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