skin aging

I am searching last weeks about it because I read on some place that testosterone decrease collagen synthesis but I don't know if it's true or not. This means we can end up with flacid/older skin? Does someone have interest on anti-aging subject? Or there are someone old here on trt or even...

CoQ10 for the skin, I may try this product. Amazon sells Advanced Clinicals CoQ10 Wrinkle Defense Cream w/Peptides, and Defy Medical sells CoQ10 in bio-peptide base cream, 30g. So not sure about which product is best. CoQ10 is part of the skin and also declines with age.after 40. I don’t...