For true skin longevity, an inside-out approach is vital. All the expensive collagen-promoting treatments and topicals in the world won’t have much staying power if you don’t supply your body with the amino acids it needs to create collagen in the first place! A balanced diet is not the only thing you can do for healthier skin (don’t get me wrong, I will not forgo my beloved serums or regular facials), but it is a foundational step you shouldn’t ignore.