In what year was the first cold wave created?

In what year was the first cold wave created?

• A. 1936
• B. 1938
• C. 1940
• D. 1928

Answer: (B)

No-heat chemical rearrangement of hair, known as the cold wave, marks a turning point in perming. The first cold wave perm was created in 1938. It introduced a method that could curl hair at room temperature using a reducing agent to break and re-form disulfide bonds, followed by a neutralizer to set the new shape. This breakthrough made perms safer, quicker, and more convenient for clients and stylists, establishing the start of modern cold-wave technology. Dates earlier than that reflect the history of heat-based perms, while a year after 1938 is about subsequent development, not the creation itself.

No-heat chemical rearrangement of hair, known as the cold wave, marks a turning point in perming. The first cold wave perm was created in 1938. It introduced a method that could curl hair at room temperature using a reducing agent to break and re-form disulfide bonds, followed by a neutralizer to set the new shape. This breakthrough made perms safer, quicker, and more convenient for clients and stylists, establishing the start of modern cold-wave technology. Dates earlier than that reflect the history of heat-based perms, while a year after 1938 is about subsequent development, not the creation itself.