With the sheer number of new beauty products that land on my desk at Sephora each day, something has to have that total wow factor to get me excited enough to blog about it. There are plenty of new products, and plenty of very good new products. But then there are those rare products that I fall in love with, obsess over, and must share with everyone I know.

L’Oreal Professional’s new Mythic Oil is one of those amazing newcomers—and it’s not even sold at Sephora (though I really wish it was!). I first discovered it covering backstage beauty in September at the Jenny Packham show during New York Fashion Week and have been using it daily ever since.

Today’s shift in weather reminds me that rainy season is on the way, making it the perfect time to stock up on this beauty wonder. Unlike other leave-in treatments that weigh down my hair, this lightweight blend of grape seed and avocado oils absorbs instantly—even on my fine, color-processed locks.

Use it on damp hair before a blow-dry to condition and prep your style, or smooth one to two pumps onto dry hair, concentrating on the ends, for instant moisture, frizz control and shine. The bonus?  Its delicious scent that’s refreshingly fruity and floral without being overly cloying. Get it on Amazon or salons that carry the L’Oreal Professionel line.