permanenttien
Permanenttien is the genitive plural form of the Finnish noun permanentti, which refers to a hair perm. In Finnish, permanenttien is used to denote possession or association with more than one permanent, for example permanenttien vaikutukset (effects of the permanents) or permanenttien hoito (care of the permanents). The word permanentti is borrowed from English perm, short for permanent wave, and entered Finnish in the early 20th century alongside modern chemical hairstyling.
In practice, a hair perm is a chemical treatment that reshapes hair by breaking and reforming disulfide
Usage: The term permanentti and its inflected forms appear in consumer guides, safety sheets, and cosmetics
Safety and suitability: Not all hair types respond the same way; a patch test is recommended to