Variables That Affect Colorfastness
Many elements affect whether fabrics retain their dye or bleed, including:
The dye type—natural or syntheticThe type of fiber the dye is applied toWhen and how the dye was applied to the fabricThe pH of various substances the fabric is exposed to (like perspiration)Dry cleaning chemicalsHeat and sunlight, which can cause certain dyes to fade
How to Test for Colorfastness
The best way to test for colorfastness is to find a hidden seam of the garment or any hidden spot. Try using the bottom hidden seam on clothing that gets tucked in, as inner seams are usually a safe bet. There is always the chance that this test will remove a little color, so choose an area where it won’t be noticeable. Apply the laundry detergent or stain remover to the hidden area and then dab the spot with a clean white cotton cloth. Use a white or very light-colored cloth so that you will be able to see any color transfer. If the color removes itself from the garment onto the cloth, don’t use the cleaning product on the clothing as this piece of clothing would not be considered colorfast.
Clothes That Are Colorfast
Most cleaning methods will work well on colorfast clothing and you won’t have to worry about damage. However, it’s still a good idea to test new items on a hidden seam to make sure. Don’t worry about this item transferring its color onto other items in your laundry cycle even with warm water settings. Basically, this is a low maintenance piece of clothing that doesn’t need special washing instructions.
Clothes That Aren’t Colorfast
Some special care will be needed with this clothing. Wash clothing that is not colorfast alone to keep the dye from transferring. You may also need to use a cold water setting to keep colors from fading. Be careful about stain treatment methods, and always test items in a hidden area before using. Keep in mind that you can use plain water to remove most stains if you get to them right away.
