Will Retin-A/Renova help my under eye lines? (Photo)

Troughs are best treated with fillers - fine lines can be decreased by Vitamin A,however in this area the must be used with extreme caution. Other methods to treat fine lines in this area include gentle Pico laser, or fractional lasers. Here is a guide as to the use of Vitamin A topically. All in the video. Kind regards, Dr Davin Lim. Laser Dermatologist, Brisbane. Australia. 

You are correct. Fillers work to fill the tear troughs and do not work as well on fine lines. On the other hand, they do help deeper lines by adding hyaluronic acid that the body can use to create its own collagen and help fill the lines. For the fine lines, you do need Retin-A (or the generic tretenoin). By the way, Renova does not work. It is compounded with mineral oil to keep the reaction down. What this does is prevent its absorption and, thus, prevents it from working. The reaction, which can be controlled, is necessary to start the body creating collagen and filling the lines. I also add a product like Vitamin C Serum to balance the skin's pH and help with the Retin-A absorption and ELASTIderm by Obagi to help convert the created collagen to elastic tissue and tighten the skin.