6mg Astaxanthin softgel. A clinical research study was conducted on this product. The Clinical research has proven that this product enhances skin elasticity, promotes smooth skin, helps reduce age spots and fine lines. It is also a powerful antioxidant, and is said to have many health benefits and it's been linked to healthier skin. Astaxanthin is the reddish pigment belonging to the xanthophyll group of carotenoids. The substance occurs naturally in some algae and is what causes the reddish/pink color in salmon, lobster, trout and other seafood.