Dried or fresh resin is classified as a difficult-to-remove stain, and in this case, conventional means will not help.
If it has already dried, you can scrape it off with a hard object - a knife or a scraper.
The dirt will not come off completely, but it will be much less. Note that it is better not to use this method for delicate fabrics.
We offer several options of funds.
In any case, it is better to first test these products on an inconspicuous area of clothing.
Earlier we wrote about how to get rid of unpleasant odor in shoes.