Teosyal Ultra Deep for cheeks?

Hi can you give me any information on Teosyal Ultra Deep for cheeks please? Is it a good filler and longevity etc. I hadn't heard of this product until a practitioner in my area started to use it as standard filler. I already had a ml of Belotero Volume in my cheeks but would like them a bit fuller and was thinking of trying this. Thanks for your time.