Many sunscreen makers could soon be forced to change their formulas or be banned from selling the lotions in Hawaii.
State lawmakers passed a measure this week that would ban the sale of sunscreens containing oxybenzone and octinoxate by 2021 in an effort to protect coral reefs. Scientists have found the two substances can be toxic to coral, which are a vital part of the ocean ecosystem and a popular draw for tourists.
Consumers would only be allowed to buy sunscreen with the chemicals if prescribed by a health care provider, though the measure itself doesn't ban online purchases or tourists from bringing their own to Hawaii.
It would become the first state to enact a...