Who doesn't love a nice, juicy watermelon? They're the go-to snack of choice in the summertime and the nutrition benefits are unmatched (hello 92% water content). But watermelons are also amazing for your hair too, if you know the right way to use them. We're about to dive into all the ways that watermelon seeds can seriously up the amount of moisture that your hair is probably craving.Let's get into a little science lesson. Watermelon seed oil, often called Kalahari oil, is filled with magnesium, zinc, vitamin B, and fatty acids. After using the many methods of extraction, it's time to use. The benefits of this oil on hair are extensive: promotes hair growth, prevents hair loss and deeply hydrates hair. This is the only time it would be smart not to throw those seeds out.But how exactly do you use watermelon seed oil? We've done the work for you by already including this miracle oil into some of your favorite Ouidad products. Curl Immersion's Silky Souffle Setting Crème and the Hi-Defining Custard, Ultra-Nourishing Cleansing Oil Shampoo, Melt Down Extreme Repair Mask and even our brand new Revive & Shine Rejuvenating Dry Oil Mist all have watermelon seed oil as a main ingredient. Now, every step of your curls' styling process is covered.