Best value
The Ordinary
Multi-Peptide Serum for Hair Density
7.8Good
An affordable leave-on peptide and caffeine scalp serum for fuller-looking hair; reviewers see modest results with consistent nightly use.
Scalp serum6$24.00
Hair & Scalp · Scalp
Hair growth support
2 products we review are built for hair growth support — all of them treatments. The ingredients doing most of the work: rosemary oil, biotin and peptides. Most are made for curly hair, coily hair and fine hair.
Repair, shape, shine and scalp care for straight, wavy, curly and coily hair.
Top rated
The hair growth support podium.
The ingredients behind it
Key actives in the products that deliver hair growth support — tap one for what it does and how strong the evidence is.
2 products
Every hair growth support pick.
2 products
Best value
Mielle
Rosemary Mint Scalp & Hair Strengthening Oil
7.2Good
The $10 viral rosemary scalp oil: a cheap, multi-use scalp and ends oil whose hair-growth reputation rests mostly on anecdotes.
Hair oil6$9.99