Alpecin shampoo and headaches

[Jambo]

Hi,

I'm just wondering if anyone thinks it might be possible that Alpecin caffeine shampoo is giving me headaches? I've been getting bad headaches for a while and it seems to coincide with using Alpecin but I'm not sure if it could have this affect or not.

Has anyone any similar experiences with this or any other product?

Any help greatly appreciated.

[Quadzilla99]

Alpecin shampoo is a waste of time iirc the only studies showing it works are unpublished inhouse studies done by the company itself iirc

[Jambo]

I think it is helping me but if it is causing these headaches it's not worth it.