The sun, the heat, crazy humidity, hot styling tools, pollution, and even regular brushing can be damaging to your mane. After months of afternoons spent on sun-drenched patios, pool days and enjoying summer to the max, your hair may be looking and feeling duller and drier than usual. Luckily, there are plenty of formulas out there that focus on nourishing, strengthening, and moisturizing your tresses back to health thanks to a plethora of ingredients and bond-repairing technologies. With just a few tweaks to your hair care routine—which can be anything from trying a leave-in treatment, mixing a repair booster in with your conditioner, using a weekly mask or applying a styling oil before blow-drying—you’ll notice a huge difference in your strands. Here are seven products that yield noticeable results.