I tested the brand new K18 AstroLift Volumizing Spray on my fine, flat hair for two months—and it's now my go-to daily styler. Here's my full review.

If you have baby fine strands that lack density and volume, consider adding in a hair volumizing spray or thickening product. These help boost volume and body — and you don’t have to be an ...

If you have flat, thin hair, learning how to add volume to hair is easier than you think. Ahead, pro hairstylists share their best tips.

Another adds, “I’ve been using this religiously for the last 5 or 6 years. Especially when my hair was longer, it tended to weigh down my crown, so I’d spray into my roots and instant volume!