Actual washing tests proved it. We purposely washed pretty slips and nighties the wrong way, you know with strong soap and too hot water.
10 seconds sound clip from the Christmas in July (1944) classic radio play.
You can hear this line at 00:42:13 in the radio play.
Quote context
[...]
- That's right, the second one lasted three times longer than the first.
- Now that's exactly what can happen with your undies.
- If you wash them the wrong way, they soon look old and drab.
- If you use Lux Flakes, they can stay lovely three times as long.
- Quite a difference isn't there? But it's true.
- Still colorful and lovely and new looking!
[...]