The ONE A-Z Cream Hydra Bright SPF 30 The ONE A-Z Cream Hydra Bright SPF 30 is a best-of-both worlds solution with brightening technology for effortless beauty every day. CrystalBright Complex helps create a brighter, more luminous looking complexion, working to improve transparency, glow and clarity. Together with skin colour blend pigments, The ONE A-Z Cream Hydra Bright SPF 30 combines the best of make-up and skincare, it is loaded with 10+ benefits: it brightens, covers, corrects, perfects, illuminates, hydrates, primes, awakens skin and is sweat resistant, infused with Urban-Shield to help protect against pollution and has SPF 30.