Waterless Curl Milk Procter & Gamble's first new haircare line in four years is Waterless, a brand developed to promote water conservation by creating products that cure every hair concern from frizziness to flatness without the need of a single drop of water. Its Curl Milk ($8, launching in January) is a moisturising leave-in treatment that's ideal for curly to straight hairstyles. Image Source: waterlesshaircare.com Curl Milk $8 from waterlesshaircare.com Buy Now