Question: what is the best shampoo and conditioner in one?
Answer: Best Overall: Suave Professionals 2-in-1 Plus Shampoo and Conditioner.
Best for Color-Treated Hair: Pantene Pro-V Radiant Color Shine Dream Care 2-in-1 Shampoo.
Best Natural: Aveeno Scalp Soothing Fresh Greens Blend 2-in-1 Shampoo and Conditioner.
Best for Volume: Pantene Pro-V Sheer Voume 2-in-1 Shampoo and Conditioner.