Astaxanthin is used in cosmetics due to its antioxidant properties and potential UV defence. Astaxanthin helps enhance the texture of the skin, decreases the dryness of the skin, helps to reverse the signs of ageing such as fine lines, wrinkles, dark spots, etc. It also gives the skin a smooth feel by increasing skin elasticity and tone. Astaxanthin, in our option, is one of the best-kept secrets of cosmetic ingredients.