Expert Q&A for How to Use Sponge Rollers

Foam rollers can be used on wet or dry hair. A wet set will produce a tighter curl.

You can use them on either, but they are much easier to apply to wet hair. These rods produce a strong curl.

This depends on the type of roller and whether you set your hair when it was wet or dry. A dry set usually takes about an hour to form a strong wave. A wet set shouldn't be removed until the hair is completely dry.

You want to leave them in until your hair is completely dry. If you put them on dry hair, you should wait a minimum of fifteen minutes before taking them out.