Knowing the rules of fabric care for the specific item you want to remove a stain from is critical to proper stain removal.

In addition, issues to consider when determining proper fabric care include:
Just because the main fabric can take the stain removal method you want to try does not mean that the dye used on the fabric will stay, or that the potentially more delicate parts of the piece, such as the linings or trimmings, can take such a harsh stain removal technique.
Further, you should always read care recommendations of manufacturers carefully, and make an informed decision if you choose to disregard the care label for general cleaning or stain removal.
I suggest using this guide regarding caring for fabrics in conjunction with the A-Z Stain Removal Guide when determining how to best treat a fabric stain.
An additional general tip for care of fabrics is that when you have a blended fabric, meaning a fabric made of two or more fabrics (such as a cotton/polyester blend, for example), you need to follow the care instructions generally for the most delicate fabric.
Further, you should try the most conservative stain treatment or laundering instruction first, before going on to harsher methods.
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CAUTION: This website is provided for informational purposes only, and Stain-Removal-101.com provides it as is, without warranties or guarantees. Some stains just won't come out, and are permanent. Further, some stain removal methods can harm your item, so if the stained item is sentimental or expensive call a professional. See disclaimer of liability for more information.
See the A-Z Stain Removal Guide for even more types of stains.