With ageing your muscles become weak and your bones also undergo atrophy(shrink) so the skin overlying it sags and shows wrinkles.
Exercise has definitely delayed the ageing process .
Next Steps
The best treatment option for this is Botox for forehead lines and fillers for the ones around mouth. Other anti ageing treatment like Rf skin tightening also help to some extent.
Health Tips
Continue using anti ageing creams to maintain the results with the above treatments as well as delay further ageing.