A:With The Weath Of Different Shampoo's Available..There Is No..ONE Answer..What IS Important Is That A Shampoo And Conditioner Is Selected That Restores And Balances The Ph Of Your Hair To It's Natural State Of Ph 4.5-5.5....These Products Aren't Found On An Average Shelf In Grocery/Drug Stores....A Good Rule Of Thumb Is...Most Whatever Brand You See In A Hair Salon IS A Good Bet...Then It's A Matter Of Which Shampoo You Prefer