When it comes to certain types of wrinkles and skin issues like sun spots, there’s only so much that topical skin care products can do — yes, even omnipotent, beloved retinol. While there are definitely things that can be prevented and treated with topical serums and creams, some skin concerns are best left to professionals and things like Botox or laser treatments.

But how can you possibly determine whether your skin goals are attainable with the use of your favorite fancy serum, or if you’re simply throwing money down the drain by trying to DIY a solution that can only be found inside a dermatologist’s office? We asked the pros to break down the different types of wrinkles and dark spots that can appear on our skin — and how to determine when it’s time to see a dermatologist if you really want them gone.

Read the full article at huffpost.com