72 Fall Beauty Launches We'd Stand in Line to Buy

The product: Klorane Leave-In Concentrate With Essential Olive Extract ($18)

Why we want it: When it comes to your hair, signs of aging can show in your late 30s. Your strands change texture, start to thin out, and generally lose a bit of shine. Klorane's latest product range is like your antiaging serum for hair. It has a healthy dose of olive extract to stimulate your follicles to their former glory. Each tube also comes with a scalp massage tutorial that will turn your leave-in application into an "aah" moment.

Available: October 2015