Even if the weather outside is frightful, your hair can look like you just stepped off a tropical beach. The key to perfect beach waves--that is, soft, messy waves that look like they were accidentally produced by the sun, sand and salt water--is using the right combination of products and tools to create waves that look natural rather than fussed over. To know how to get perfect messy beach waves like Luisa of Golden Strokes, just follow these four easy steps: