How do I get rid of a water stain out of my UGG boots?
Dirty or stained UGG boots are a cleaning challenge because they are constructed of a material (sheepskin) that is more difficult to care for and is limited in the different types of cleaning agents you can use. Wool should never be treated with Clorox® Regular Bleach2 or any sodium hypochlorite product, and that applies to the animal hide (the sheepskin) as well, so don’t use bleach! There’s nothing in your question to make me think you were planning on doing that, but it’s still important to mention it. Because I don’t have personal experience with cleaning UGG boots, I checked out the company website to see what they recommend. Just in case you haven’t seen it, you can check it out here:
If your boots are newer, you may be able to unify the color by following the technique on the UGG website using only clean water. If the boots are older, they likely have some surface dirt and would benefit from using a cleaner of some sort. A difficult-to-clean (and properly rinse) surface like sheepskin would probably benefit from using the cleaning product recommended by UGG. Other laundry products would need to be diluted with water first before applying to the boot, but without clear directions on how much detergent and how much water, you could actually make things worse than using just water or the cleaner that UGG sells.
I wish I could give you more specific advice, but without direct experience it’s difficult to suggest anything beyond following the manufacturer’s recommendations. Good luck, and let me know how it goes!