Take a look at any “healthiest foods” list, and chances are high that certain seafood will be somewhere near the top. Not only are creatures of the deep (and not so deep) excellent sources of much of what you need for a healthy, balanced diet, they also crush it as far as skincare is concerned. Healthy fats your skin needs to stay plump? Fish. Inflammation-fighting antioxidants? Algae. Naturally-occurring moisturizers? Seaweed. Anti-aging and bone-health fortifying collagen? You guessed it: marine life.