Eyelash perming developed as a widely available solution sometime after 2000. She began darkening her skin and perming her hair sometime around 2011. Also in the 1930s, Wella introduced Wella Junior, a portable perming machine. The dread perming technique begins with at least 6 inches of hair. It has the formula HSCHCONH and has use in perming hair. In 1927, they introduced the first perming appliance and supplied it to salons. "Perming" is time and labor-intensive, and expensive to maintain.