Blue Cloud Vs. Blue Sparkle?

[Laluvschins]

My chins have always used blue cloud but one of my chins has had a recent eye irritation. I was recommended to switch to blue sparkle, what is the difference, can you guys please help?? thank you

 

[ticklechin]

http://www.chins-n-hedgies.com/forums/showthread.php?t=24142&highlight=blue+sparkle&page=2