Windshield water repellent besides rain X?

[Ravinged]

Switched to Glaco from RainX but seemed like Glaco not very lasting. I actually used the spray type after carwash. After 2-3 carwash the effect is gone and need to reapply.

[Junky73]

I use mirror coat zero. From glaco

 

7months and still good. Though can see some stains at the edge. I

Important thing is don’t get soap onto the side mirror and don’t touch it

Edited July 7, 2019 by Junky73

[Ct3833]

I bought one of this type of sticker for my side mirrors, but the effect seems to wear off after a few months. Anyway, how do I remove it? It's stuck pretty well and I can't just pick it off with my fingernail.

Annotation 2019-06-16 003025.png

How about try using a penknife to pick up the edge?

So these stuff are con job? Maybe they just spray a layer of water repellents on a plastic shit before shipping it to buyers.

Edited July 7, 2019 by Ct3833

[boonhat_91]

Succeeded with a penknife a few weeks back! Since chemical coating like Rain X also seems to be not-permanent, idk if I'd call it a con job. I only buy these shits at $4-5 a pair on lazada/shopee flash sale, so ok lah I can accept

 

How about try using a penknife to pick up the edge?
So these stuff are con job? Maybe they just spray a layer of water repellents on a plastic shit before shipping it to buyers.