She knows she 'done right' by her skin.
5 seconds sound clip from the Remember the Night (1940) classic radio play.
You can hear this line at 00:43:36 in the radio play.
Quote context
[...]
- And so I thought what she has to say about complexion beauty ought to be especially interesting.
- Well, I think you're right about that, Libby. What does she say?
- Jane says she herself never misses out on this no matter how tired she is.
- It only takes about three minutes and she sleeps better because her conscience is clear.
- She knows she 'done right' by her skin.
- It's evident that Jane Wyman is a clever little girl.
- Now, what about your complexion? Is it as lovely as it ought to be?
- You'll find Lux Toilet Soap a wonderful beauty aid.
[...]