Question: which is the best shampoo to prevent hair loss?
Answer: Revita Hair Growth Stimulating Shampoo. ...  Ultrax Labs Hair Surge – Caffeine Hair Loss Hair Growth Stimulating Shampoo. ...  Nizoral A-D Anti-Dandruff Shampoo. ...  Lipogaine Big 5 All-Natural Shampoo. ...  Alpecin Caffeine Shampoo. ...  Classic Lipogaine Big 3 Hair Loss Prevention Shampoo.