Did You Know That Hexyl-Resorcinol Is 4 Times More Effective Than Hydroquinone? It Improves Skin Lightening And Provides Anti-Aging And Anti-Bacterial Properties. The Clinical Effect Of Hexyl-Resorcinol Is Due Stimulation Of Glutathione And Glutathione Enzymes. Clinical Study Shows That After 3 Weeks Of Spotless Ultraserum Application, The Pigmentation Spots Are Reduced By Up To 33%, Wrinkles Depth Is Reduced By 19%, And Total Skin Improvement Is Up To 32%.