How do I get car polish out of a white t shirt?

I stupidly polished the car yesterday whilst wearing a new white t shirt and managed to get the stuff all over it. I've tried washing it twice using normal washing powder but it still won't come out.

Have I ruined it or is there someting else i can try?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).