What technology is 15 years old? Injecting fibroblasts? Same way they get fillers or botox into you. Maybe someday there will be a pill you can take that will make all of your skin look like age 18 again, but it's not here yet.
no hope of ever turning a profit.
Your opinion only. Since, far as I know you aren't clairvoyant, you cannot see into the future. You can guess, or opine, as can anyone, but "know" you cannot.