This is the 5212th most frequent Portuguese word.
permanente
Permanent.
Here, 'permanente' describes the lasting nature of the hair dye's presence.
A tinta usada para o cabelo é permanente.
The dye used for hair is permanent.
In this usage, 'permanente' refers to the stable and enduring nature of the employment.
Ele trabalha em um emprego permanente após anos de contratos temporários.
He works at a permanent job after years of temporary contracts.
Here, 'permanente' implies a solution that will endure and not require further changes.