Start with your concern
Each guide explains what to look for, then links to hair-type-specific recommendations.
Browse by concern
Or browse by hair type
Match serums to texture, density, and the way you actually style.
Browse by hair type
Popular guides
Jump into the concern and hair-type pairings readers start with most.
Featured combinations
Key actives, explained
Understand what keratin, peptides, and other ingredients actually do in a serum.
Key ingredients
Featured serums
Top catalog picks by rating quality, review depth, and concern fit.
Editor's Pick
Moroccanoil
Moroccanoil Treatment Original
$34.00
- Tames frizz and flyaways instantly
- Adds shine without weighing hair down
- Works on damp or dry hair
Top Rated
Kérastase
Kérastase Elixir Ultime L'Huile Originale Hair Oil
$49.00
- Multi-oil blend for mirror-like shine
- Tames frizz on thick and curly hair
- Salon-quality finishing oil
Editor's Pick
It's a 10
It's a 10 Miracle Leave-In Product
$17.99
- Detangles and adds shine in one step
- Heat protection up to styling tools
- Works on multiple hair types
Top Rated
Olaplex
Olaplex No. 7 Bonding Oil
$30.00
- Repairs bonds while adding shine
- Heat protection up to 450°F
- Concentrated—a little goes a long way
Ouai
Ouai Hair Oil
$32.00
- Lightweight oil-serum for instant shine
- Softens ends and reduces frizz
- Pleasant signature scent
Redken
Redken Acidic Color Gloss Leave-In Treatment
$32.00
- pH-balanced for color longevity
- Adds glass-like shine to treated hair
- Heat protection included