I use this for leather and I imagine it should work for sensatec too:
https://www.shopbmwusa.com/PRODUCT/6...PROTECTION-KIT
so far, the harsh Florida sun hasn't won
EDIT: I tried out the chemical brothers cleaning stuff (link:
https://www.amazon.com/gp/product/B00BQA3WW6/ ) after a year of using the BMW leather care stuff above and honestly, it made no difference. The BMW branded stuff works great