How long a perm lasts depends on a range ... Conditioning treatments required Twist/Spiral Cold approach: long and thin curling rods set vertically in hair Works best on hair at least eight ...

You also want to consider how long you want to ... chemical solution and your hair is wrapped vertically around rods to achieve a spiral pattern. Since the spiral perm is very time-consuming ...

Spiral root perms involve using curling rods to create thin coiled curls ... up to six months for other coarser or thicker hair types. How long your root perm lasts will also depend on how ...

Each spiral is roughly an inch long and about as thin as the diameter of a human hair. The enigmatic objects date back to the Bronze Age, which lasted from 700 to 900 B.C., report experts ...