If they're safe in water alone. There's no harmful alkaline in gentle Lux flakes to hurt any color or fabric that's safe in plain water.

10 seconds sound clip from the Pinocchio (1939) classic radio play.

You can hear this line at 00:43:42 in the radio play.

Quote context

[...]

- Whether they knit sweaters or buy them.

- Or get them for Christmas presents.

- Those sweaters deserve nice care. Don't use hot water on them. Don't rub them with cake soap. And don't use soaps with harmful alkaline.

- Just squeeze your sweaters gently though lukewarm Lux suds.

- That's good sound advice.

- And it goes with the other nice woolens people get for Christmas - like socks, and mittens and scarves.

- If they're safe in water alone. There's no harmful alkaline in gentle Lux flakes to hurt any color or fabric that's safe in plain water.

- When you use Lux, you'll find it's so pure, a little goes a long way.

- Lux is thrifty.

- We pause now for station identification. This is the Colombia Broadcasting System.

- We continue with Pinocchio.

[...]