These rods come in different colors and sizes, which will depend on the type of curl you want to achieve. These rods come with a clasp, so your hair is tightly coiled around them without unraveling until the time is right to let them loose. When using it, a portion of your hair is wrapped around a perm rod and left for some time to give your hair a curly appearance. Perm rods, called hair rollers, are cylindrical-shaped plastic tools used to curl your hair. Just remember that the results won’t be as long-lasting as the ones you can get from a salon, so you’ll need to redo the process every time you want to enjoy curls in your hair! What Are Perm Rods? You can do so by applying hair mousse, hair gel, or leave-in conditioner to your hair, using perm rods to form the curls, and then blow-drying it. You can also get curls without using strong chemicals by using your perm rods together with hair mousse, hair gel, or a leave-in conditioner. The curls produced by digital perms are looser and wavier, so they tend to look more natural. The temperature of the perm rods is regulated by a machine with a digital display, hence the name of this perm type.ĭepending on the length, volume, and type of your hair, the process of getting a digital perm may take up to four hours. Digital Permsĭigital perms, on the other hand, involve applying a relaxing treatment to your hair, then winding your strands around perm rods to create curls.

Hot perms result in looser, softer curls that can be adjusted to different styles or sizes that you want. In hot perms, on the other hand, the rods are heated up, and chemicals are added too.Ĭold perms produce tight ringlets. Cold and Hot PermsĬold perms involve wrapping your hair in rods and adding a chemical solution to them, such as a reduction lotion with ammonium thioglycolate or an alkaline compound.ĭepending on the length and volume of your hair, the process of getting a cold perm may last about two to three hours. The methods of perming your hair can also be classified as either digital or cold, depending on whether or not heat was applied in the process. The results of a perm last for a long time, typically around three to six months. Perm rods in different sizes are also used to hold the hair in place and give it its new curly shape. The change is achieved when chemicals like ammonium thioglycolate or glyceryl monothioglycolate are applied to the hair, which breaks the bonds in each strand to lock the hair into curls. This is because perms, particularly those you get from salons, involve changing your hair’s structure and texture to add curls or waves to it. Perm is short for “permanent hairstyle” or “permanent wave.” 8 Different Perm Rod Sizes for Glorious Perms.6 What Are the Different Types of Perm Rods?.5 Which Perm Rod Size Should You Use for Different Perm Types?.4 What Are the Different Sizes of Perm Rods?.

Spiral perm rods for sale