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3. Hair: Treatment
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Best for fine hair: Living Proof Restore Perfecting Spray
Sure, this silicone-free leave-in spray adds oomph to limp, lifeless hair and protects it from heat and UV damage. But the real reason for top honors: A conditioner is released a little at a time, so it doesn't weigh hair down.

Best for frizzy hair: Suave Professionals Avocado + Olive Oil Smoothing Leave-In Conditioning Cream
Has a lack of hydration made your hair unruly? Get to the root of frizz with this mix of moisturizing avocado and olive oils.

Best for damaged hair: Goldwell Kerasilk Reconstruct Split Ends Recovery Concentrate
When you're overdue for a trim, temporarily seal frayed ends with a few drops of this hardworking leave-in serum, rich in reparative keratin.

Best for dry hair: Kérastase Aura Botanica Concentré Essentiel
This brilliant serum is liquid gold, packed with a blend of avocado, jojoba, coconut, and argan oils. Massage it into your scalp or apply it directly to your hair pre-shampoo for softness and shine.