Most of these foams contain just a touch of water, which means you can use them in conjunction with your hair dryer. (They will also air-dry in less than a minute if you’re trying to refresh your curls. Massage a ping-pong-ball-sized dollop into your scalp like you would your shampoo, working from the scalp to the ends.) Dry shampoo foams are great for adding texture without making hair look matte. Bonus? If you have thick or long hair a foam will go further so you don’t have to use the whole damn bottle in one go. Here are some to try today.More Info