Can you please share what you've personally used and found to be effective?

What is this?

What's this about?

Vedeneva Yuliya Ah, I Googled it, haven't encountered it yet. I wash it at the car wash, they probably have normal softeners there, and the windshield washer fluid seems fine too.

Vedeneva Yuliya It comes with almost all cars… ours came with it from Japan… I can’t say about the cleaning product though… haven’t found one yet

Vedeneva Yuliya Tanyushka gave you the right answer

I have no idea what you're talking about. I just drive a car)

Vedeneva Yuliya The keyword is probably 'almost'. If Google wrote it correctly for me, it's this... I haven't encountered it yet.

Nadezda A film on the windshield that reduces visibility. From water

Nadezda Honestly, I've never seen anything like it.

And the applicator is like this

Asya Thanks! Have you used it yourself?

Asya Yes, we're buying it