Next up: inflammation-triggering diets. See, what you eat has a direct impact on how your skin looks and feels, mainly due to inflammation. 

Inflammatory diets, which often include eating plans that are high in sugar, simple carbohydrates, and processed meats, activate the immune system and promote inflammation throughout the body, says board-certified dermatologist Joshua Zeichner, M.D., which can wreak havoc on your natural collagen production.

So, say, if you’ve ever wondered why your collagen supplement doesn’t work, take a look at the “other” ingredients on the label: Sugar-laden collagen supplements may do way more harm than good. Instead, look for sugar-free, hydrolyzed collagen peptides to support your natural collagen production—here’s our list of the best of the best for your browsing pleasure.