New improved formula roushun vitamin c serum is thin and highly effective, it will help fade sun spotsb decoloration œ refine skin texture. reduce wrinkle formation, and minimize existing wrinkles. it also has a high concentrated base of pure vegan hyaluronic acid to plump skin cells and protect and restore. a potent, multipurpose serum that combines breakthrough anti-aging ingredients like vitamin c to help visibly minimize fine lines/wrinkles and help reduce the appearance of age spots ,fade sun spots and discoloration. it boosts collagen production, fights inflammation and helps damaged skin heal. it also has a high concentrated base of pure vegan hyaluronic acid to plump skin cells and protect and restore.