In addition to consistency, manufacturers must also consider the cost implications of buff percentage. Higher levels of coating on titanium dioxide particles can increase production costs, as more coating materials are required. However, a lower buff percentage may lead to a lower quality product that does not meet the needs of customers. Balancing the cost and quality considerations of buff percentage is a key challenge for manufacturers in the titanium dioxide industry.

So, what does it all mean for you, the consumer? Should you stop eating Skittles or begin checking foods for the presence of titanium dioxide? Here's a closer look.