Can hair gel cause hair loss?

Generally speaking hair gel and hair spray are not associated with hair loss or thinning.However,misuse of certain coloring products/dyes can damage hair.

Typically,
hair gels are not associated with hair loss. 
You could always try switching to a different gel if you're having a problem with one.  

Hair gels don't usually cause hair loss. They can remove hairs that were destined to be lost a little sooner, but that's about it. Individuals who use hair gel will frequently notice hair on their hands - this is normal. 

Gels or other products that used for hair string does not cause hair loss them selves unless you have a concurent hair loss of androgenetic or other type .

The simple answer to whether hair gel can cause hair loss is no, unless you were to have an extremely severe allergic reaction.

Te application of things on your hair for grooming like hair gels will not damage your hair at all. Don't worrk and make your presentation right for you

Unless you are using a very harsh/poorly made gel, probably not. But if you suspect your hair gel is the culprit you can always try switching to another more gentler brand, or stop using it altogether. Better yet, talk to an expert to help diagnose the cause.