Hmmmm,,,,any scientifically documented cases of this ever happening? None that I have seen yet.
"Synthetic enzymes are widely used in laundry products.
They are effective at breaking down proteins and fat stains on clothes. Using enzymes means you can wash in cold water and you don't need as many harsh chemicals. We believe the downside of using synthetic enzymes in laundry products is more significant. If residual enzymes are trapped in your clothing/sheets/underwear they are up against your skin day and night. They can be reactivated by sweat and moisture - and start doing the job they were designed for - removing fats/protein - on your skin and potentially causing allergic reactions or other health complications."
Just because they say they believe it sure doesn't make it so. Sounds like more scare tactics to get people to shy away from enzyme based products and buy theirs. Scare tactics, now that's something you know a lot about, right?