Question: what dyes are used in skittles?
Answer: Red 40, Yellow 5, and Yellow 6 are the three most widely used dyes in the United States. Skittles and M&M's, which are dyed with Blue 1, Blue 2, Yellow 5, Yellow 6, and Red 40, had the highest levels found in candies. Skittles Original had 33.3 mg per serving; M&M's Milk Chocolate had 29.5 mg per serving.