This very high protection sun fluid from Eucerin Laboratories is specifically formulated to prevent and reduce sun-induced hyperpigmentation. Powered by Advanced Spectral Technology, it provides superior defense against UVA/UVB rays and high-energy visible (HEVIS) light. Its exclusive formula features patented Thiamidol®, a powerful active ingredient that acts at the root cause of melanin production to visibly diminish existing dark spots and effectively prevent their reappearance, promoting a more even and radiant complexion.