The Cadillac of extensions is human hair. Although easier on the pockets, synthetic versions can give you away. If you decided to splurge and get the real deal, you want to make sure you protect your investment because let’s be honest, they’re pricey. The best way to care for human hair extensions is with a great shampoo and an even better conditioner. Stay away from sulfates and limit your washes to only a few time a week. Without further ado, here is a roundup of the best shampoos and conditioners for human hair extensions.