What's a safe percentage TCA peel to do for under eyes and eye lids, if at all possible?

I did my first TCA peel three weeks ago at 13% on my face and I loved it. My eye area I feel could use more attention and I am aware to be extremely careful with TCA around the eyes. I have researched so much on TCA chemical peels and am planning on doing four more sessions at two layers (maybe more layers over time). I have light crows feet but I have hooded eyelids and saggy under eyes. I am 30 years old and of Mexican decent so I have pretty tan/dark skin.