I just heard of aminophylline from reading Tim Ferris blog. Using an n of 1 he tried it on one thigh and not the other and that thigh reduced in size.

https://tim.blog/2011/01/16/spot-reduction-revisited-removing-stubborn-thigh-fat/

Below are several peer reviewed studies that show it’s efficacy (edit - and that’s the only reason I’m sharing this don’t downvote me the science shows it helps. Two groups had a exercise regimen and the group that used the cream lost more circumference than the placebo group.) FYI this ingredient is contraindicated for asthma.

https://pubmed.ncbi.nlm.nih.gov/30456780/

https://journals.sagepub.com/doi/abs/10.1177/875512259701300209?journalCode=pmta

https://dom-pubs.onlinelibrary.wiley.com/doi/abs/10.1111/j.1463-1326.2006.00600.x?deniedAccessCustomisedMessage=&userIsAuthenticated=false

There are links to several studies and discussions on this forum: https://forums.t-nation.com/t/topical-fat-loss/164469/4

I was skeptical but if you try it (along with exercise) worst case it was a waste of $...