One stormy Monday in March, 1827, the German composer Ludwig van Beethoven passed away after a protracted illness.

The investigation found every hair sample contained carcinogens. James Rogers, who led Consumer Reports' synthetic hair testing, says testing found lead in 90% of the products. "Three of the ...

Testing found potentially dangerous chemicals, including cancer-causing substances, in 100 percent of the hair samples. So, what does this mean for you? Consumer Reports breaks down the concerning ...