soap powder
built-soap powder
washing powder

Toothpaste, butter, toilet paper and soap powder have become hard to find.

The sink was loaded; she found soap powder and got busy.

Chiun's lips ceased to move as a commercial for a soap powder came on.

Boxes of soap powder and insecticide sat next to the fridge.

Some people find a change of soap powder can help, especially a move away from a biological powder.

After all advertising may be good for selling soap powder but at elections we want something better than that.

White patches all over the bloody coat with that soap powder.

A Philadelphia chemical company supplied her with free soap powder.

This product became the first satisfactory and commercially successful soap powder.

Generally, though, I found unscented products to be best, including soap powder.