### Human:\nwhat is the best treatment for dark circles under the eyes and chin firming?\n\n### Assistant: under-eye circles are due to a combination of factors -- genetics allergies rubbing stress lack of sleep dehydration leftover makeup. look for products that contain peptides sepi-white caffeine niacinamide mulberry root extract or retinoids. chin firming creams should contain retinoids peptides hyaluronic acid growth factors. speak with your dermatologist or plastic surgeon to see if a radio frequency procedure such as thermage is appropriate for you. the results in the chin area can be dramatic.