Leave-in conditioner can act as a stabilizer, a de-frizzer, a detangler and a moisturizer all in one go. It’s an amazing, low-maintenance product every guy should have on his bathroom counter.

What we dislike: A few reviewers found it didn’t provide as much shine as they wanted. Best bang for your buck leave-in conditioner for fine hair Aussie Hair Insurance: Available at Amazon ...

R29 also loves Aussie Hair Insurance Hair Conditioner Spray, £5, for fine hair that tangles easily, and Rhyme & Reason Curl & Quench Leave-In Conditioner, £8.99, for curls, both of which are ...