
Before the 1930s, hair was mostly washed with soap-based products — effective, but often harsh and difficult to rinse. Everything changed with Drene Shampoo, introduced...

Before the 1930s, hair was mostly washed with soap-based products — effective, but often harsh and difficult to rinse. Everything changed with Drene Shampoo, introduced...

The history of shampoo is a story of transformation. For centuries, hair was washed with traditional soaps and botanical ingredients. But in 1903, Hans Schwarzkopf...