For most people the worst stain caused by sunscreen is a slightly oily stain which can be easily removed. This can be prevented by allowing sunscreen to dry completely before you dress and avoiding clothing when reapplying. However, for those who have hard water most sunscreens contain products that when washed in hard water cause a reaction that creates dark brown stains which are much more difficult to remove.
The culprit ingredient is avobenzone. When avobenzone mixes with minerals found in the water in certain parts of the country, it could lead to brown, rust-like stains. The severity of the problem depends on the fiber content of your garment - synthetics hold the stain more than cotton or natural fibers - and the hardness of your water.Steps for removing sunscreen stains
If the garment is dry clean only, point out and identify the stain to your professional cleaner. If you are using a home dry cleaning kit, be sure to treat the stain with the provided stain remover before putting the garment in the dryer bag.
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