Types of Korean Perm

C-curl Perm With C-curl perm, the hair ends look like the letter C. The C-curls can either curl inward or outward. If you’re up for a bob-like effect, then go with the C-curl inward. Short bob S-Curl Perm If you’re thinking of cutting your hair short while rocking soft waves, then try the Short bob S-Curl Perm. This type of perm forms a letter S wave at the hair ends.