Translation of "Wrinkles" in Portuguese

Wrinkles should merely indicate where smiles have been.

As rugas devem simplesmente indicar onde os sorrisos estiveram.

Would you like to know how to prevent getting wrinkles?

Você gostaria de saber como prevenir as rugas?

Tom has started to get a few wrinkles on his forehead.

Aparecem as primeiras rugas na testa do Tom.

The pain caused a few wrinkles to appear on his forehead.

A dor fez aparecer-lhe na testa algumas rugas.