3rd Rock Sunblock SPF 35+ Sunscreen Lotion - Unscented *No endocrine disrupters, no parabens, no toxins…ever *Patented Zinc Oxide Formula - Independently tested and shown to have the most robust UVA and UVB protection of ALL sunscreen brands US Patent Numbers: USP 9782610B2 | USP 6866841 *Our concern is that your immune system should not be compromised in the presence of the sun. *3rd Rock Sunblock®'s Zinc Oxide Sunscreen is the best toxin free SPF 35 chemical free sunscreen - Made with food grade ingredients only, We are not just Reef Safe - WE FEED THE REEF! *Maximum sweat and water resistant - Great for on the beach and off *Hypoallergenic, perfect for all skin types - No Burn or Sting *Cruelty Free