I think this is a misleading headline. Recipe isn't a big thing here but the delivery mechanism of nano particles. Products like Coke and WD40 are known for th

I think this is a misleading headline. Recipe isn't a big thing here but the delivery mechanism of nano particles. Products like Coke and WD40 are known for their secret recipes but recipes are out in the public. The difficulty is in knowing amount of ingredients, preparation method etc.