Winter is (almost) officially over, which means the hair products you've been relying on for the last four months can go into hibernation to make room for spring essentials. Face it: After all those hair-color trends you followed month after month, your scalp and split ends could use a seasonal tune-up , right? Lucky for you, there are loads of affordable hair products that just hit the shelves begging you to buy them in the slides ahead. The best part? Not one is over $25.