Frequently Asked QuestionsWhat makes the best conditioner for fine hair? Skipping conditioner can leave fine hair dry, tangled, and prone to breakage, but using the wrong one can weigh it down. To rehydrate fine hair, focus on lightweight, moisture-boosting ingredients that won’t weigh it down. For added strength, “Wheat protein is a lightweight protein that creates body for thin, fine hair,” making it a great addition to your routine. For our review of the best conditioners for fine hair, we enlisted the help of multiple editors, writers, contributors, and hair experts—many of whom want thicker, more voluminous hair.