Hello!
Shampoo won't help a lot but definately would help you in cleaning part.
Secondly oiling is also controversial in overall Androgenic Alopecia.
Serum would help in overall shiny lusture for your hair.
Next Steps
You can start Minoxidil and Water base solution also.
Health Tips
You can have a detailed consultation. Visit our clinic website: www.bhandarihairtransplant.com