Robert F. Kennedy Jr. was ridiculed on social media after it was revealed that he sold bottled water with high levels of fluoride, a chemical he has heavily criticized for being harmful to the American people.

Kennedy, Jr., was skiing in upstate New York when it occurred to him: if a ski area can sell its own branded bottled water, why can’t an environmental organization do the same? It was the late nineties.

Robert F. Kennedy Jr., president-elect Donald Trump’s pick to lead the Department of Health and Human Services, may be against fluoride in drinking water these days—but it wasn’t long ago when he was selling it in bottles,

Bottled water from RFK Jr’s company Keeper Springs contained almost double the concentration of fluoride recommended by the HHS

Robert F. Kennedy Jr., a critic of water fluoridation, previously co-founded a bottled water company that sold fluoridated water.