Your wrap may be discolored due to makeup or possibly hair dye. 

If you use Daniel Fields Scalp Booster system, this can also discolor the wrap a pinkish color. The key ingredients are organic antioxidants which can cause this discoloring, especially the vitamin C.  The pink color is not an issue... just be sure to wipe down the wrap after use and let air dry. 

According to Daniel Field, if you see the pinkish color on the scalp, you may need to rinse or shampoo after treatment to remove any buildup of normal skin cell shedding, but seeing the pinkish color is not anything to be worried about.