We just moved into a new home early July, and we have natural knotty alder cabinets that are stained a dark chestnut color.

I've noticed recently that when I clean with a soft rag and Pledge, some of the stain is coming off onto my rag.

I contacted the builder who said it shouldn't be happening (explained the process for the stain) and to continue to watch the cabinets for fading. I hate to clean if it may continue to pull the stain off--don't want to see the fading occur.

What could possibly be making the stain come off to my rag? How would they fix this?

Thanks!