Rosemary oil is a natural hair serum that may help with a healthy scalp ... Below are our top picks for the best carrier oils ...

If you tend to style with hot tools, consider the FEKKAI Brilliant Gloss Glass Hair Anti-Frizz Oil Serum, which features cold-pressed olive oil as an ingredient and offers 450-degree heat protection.

Discover how vitamin E oil can transform your hair — benefits, usage tips, and top picks for stronger, shinier locks.