L’Oréal entered the bath-products market when it acquired shampoo company Monsavon in 1928. They launched Dopal (later DOP), the first soap-free shampoo, five years later. Schueller’s desire to educate the French people on hygiene issues seen in events such as the “Clean Children Crusade,” which handed out single-dose DOP samples in schools and encouraged families to wash their hair together once a week.
A 1954 DOP shampooing contest for the “Clean Children Crusade.”
