Did you catch what the groundhog predicted? We’re in for six more weeks of winter. But by now your hair might be on the brink of utter thirst and dehydration. The colder months have no mercy when it comes to hair, which is why moisturizing shampoos, masks, and treatments are in dire need. As if dry ends weren’t sad enough, lack of moisture also leads to breakage, frizz, and dullness — all major no-nos in our beauty book. Here are the products needed to quench and rescue your hair, stat.