I just started using Premo Guard detergent and notice definite improvement in laundry. The spray def helps too!
I don't know what type of mite we have but they bite. I found in stored clothes sitting in plastic bags from when we first moved in. Started seeing white specs outside bags. First thought no see uhms.
It does take time because these things multiply but it's definitely doing the job. If you have them in a lot of clothes, get the larger one.
I had to throw out many clothes at first. I read someone used it to clean floors. We have wood floors and I suspect they sit in any cracks in them. I mixed detergent with water and washed floors reusing a Windex bottle, sprayed and mopped. Funny, floors are cleaner and no film on it as some cleaners leave. So that's a plus too. It's don't think it's going to take care of all unless I do other things as well.
I keep a clean house but now do continuous vacuuming and cleaning every day. I also use a steamer for clothes. I can't wait for them to be gone. It's been awful. It is a bit expensive but if it serves it's purpose as I think it will, well worth it.
I like it's USA made too.