I figured you were probably very thin by your skin description. Because of the correlation, your skin lines are likely tied to your bone health. Did you have pimples, moles and gum boils prior to fin? Also, where are the moles and pimples located?
Do you have a log? Please create one so we don't spam this log.
Also, I think it may be beneficial for you to do Gua Sha. There are some good tutorials on YouTube.