I've recently noticed some stains on my favorite cotton shirt and I'm wondering if anyone has any tips on how to remove them. I'm not exactly sure what the stains are from, but they look like they could be coffee or maybe just some dirt from outdoor activities. I've tried washing the shirt with regular detergent, but the stains didn't come out.
I don't want to damage the fabric or the color of the shirt, so I'm looking for a gentle and effective solution. Any advice would be greatly appreciated! Thank you in advance.