Hair Mousse Is Back, and It Is Nothing Like the Crunchy Foam You Remember

I spent most of the 2010s pretending hair mousse did not exist. It belonged to a very specific memory: a can on my mother's vanity, a palmful the size of a grapefruit, and curls that crackled when you touched them. Then creams and oils took over, and for a decade the goal was slippery, glossy lengths that never looked like they had product in them. Something has shifted again. Air-drying went from the lazy option to the preferred one, curls stopped being straightened into submission, and fine hair wanted lift without the weight of a cream. Foam is the obvious answer to all three. The new generation is wetter, softer and far more forgiving, and most of it disappears into damp hair the way a leave-in does. I tested my way back in slowly, one pump at a time, and I am now slightly embarrassed by how many cans are in my shower. The first grid is the curl group, because that is where foam never really left: Pattern, Oribe, Moroccanoil and Crown Affair's air-dry texturizer.

Fine hair is where foam earns its keep. A cream or oil sits on top of thin strands and pulls them flat by lunchtime, while a mousse lifts at the root and then more or less gets out of the way. Leonor Greyl's Mousse au Lotus feels like the grown-up version of the category, the one you would find in a very good Paris salon. R+Co Bleu's Highest Volumizing Mousse and Shu Uemura's Awa Volume go on light enough that I forget they are there until I notice my roots still standing up at six o'clock. Philip B.'s Maui Wowie wins on name alone, and I like it most on second-day hair. The trick with all four is less product than you think, worked in at the roots and blow-dried upside down for a minute.

The last group is for days when I want body and nothing else. Roz's Milk Styling Mousse and Rahua's aloe foam are the gentlest here, closer to a leave-in with a little grip. Dae's Dreamriser adds heat protection, which matters if you finish with a round brush, and Bumble and bumble's Full Form Soft Mousse does exactly what the name suggests. What I would skip is the old habit of scrunching a huge handful into soaking wet hair. It dilutes unevenly, the ends go crisp and the roots stay flat, which is how mousse got its reputation in the first place. Towel dry first, use a golf-ball-sized amount of foam, and rake it through with your fingers.

I do not think foam is having a nostalgia moment so much as a correction. Creams were right for a while, then they were too much, and mousse turned out to be the lighter tool that had been sitting there the whole time. Start with one from whichever grid sounds like your hair, use less than feels natural, and let it dry on its own at least once. If it works, you will stop reaching for the heavy stuff too. If you want to keep browsing, I also put together Hair Spray, Sorted by Hold and The Best Dry Shampoo for Every Hair Color, From Sprays to Powders and Foam.