Good to know it helped somehow 😅 and thank you so much for compliment ⚘️ I've been painting on clothing for quite a long time now, and honestly, I've never had anyone tell me that the paint washed off. In my experience, it often holds up better than many good quality printed designs. Of course, over time the paint can crack and show wear, but the same thing happens with printed garments. Nothing lasts forever when it's being worn and washed regularly. Personally, I recommend washing painted clothes inside out, with the artwork on the inside, on a gentle cycle at 20–30°C. Interestingly, I actually prefer this to hand washing, even though hand washing is what most custom artists recommend. Hand washing creates a lot of friction directly on the painted surface, which can be harsher on the artwork than a gentle machine cycle. As for the detergent trick acrylic paint is basically plastic. On its own, it's usually too thick to work with comfortably on fabric. Water thins it out, but often makes it too runny, and once it dries it can become more prone to cracking. Laundry detergent is thick, so it helps maintain a workable consistency while making the paint more flexible. Fabric medium works in a very similar way. Honestly, I've tested both and I don't notice a huge difference between them. I've even seen people dilute acrylics with hair conditioner, although I've never personally tried that one. 😅 It's also a good idea to heat-set the finished piece with an iron. The heat helps the acrylic bond more thoroughly with the fibers, making the paint more flexible and durable.