hello everybody this is i'm your stylist abby burberry stylist [Music] colleen [Applause] [Music] [Applause] if you went to any beauty supply store or did an online search for pern run you will find that there are many different kinds of rods available although some may offer different results the most popular commonly used are the whole wave perm rods [Music] are you curious to see what size of perm rod produces what kind of curl in this video we hope to give you the visualization you need when choosing a perm rod all different per rod sizes can be used at all different lengths of hair [Music] we will demonstrate 12 different perm rod sizes and their effects from jumbo to small we will show you exactly how the curls will fall vertically perm rods follow a universal standard understanding this principle and the color coding system is your first step did you know there is no one formula to choosing a perm rod it depends on what kind of look you want to achieve also perm rods can be concave or straight concave gives a variance of curl tighter in the middle of the rod slightly looser towards the outside straight rods create uniform curls the more times the hair is wound around the rod the more bends are created okay now let's take a look at the cold wave perm rod size chart all of the perm rods are 3.27 inches in length now i will give you the exact diameter of each rod ranging from the smallest to the largest yellow rod 3 8 of an inch blue rod also 3 8 of an inch although it is slightly thicker in the middle pink rod 7 16 of an inch gray rod half an inch white rod 9 16 of an inch purple rod 5 8 of an inch sand 11 16 of an inch orange 12 16 of an inch jumbo green 1 and 1 16 inch jumbo black one and one quarter inch jumbo red one and 3 8 inch jumbo brown one and a half inch with all that being said let's take a closer look jumbo brown very large rod used only for body jumbo red also a very large rod medium to long hair strictly for body jumbo black on medium length hair this will achieve body on long hair more times wound around the rod will create more bends or curls jumbo green can be used on shorter hair for body only or medium to long hair for beachy waves orange body wave on shorter hair medium-sized curls on medium to long hair sand medium-sized curl create volume for short medium or long hair purple tighter curls creates a firmer springy curl for all lengths white firm bouncy curls and can be used to spiral perm long hair gray firm tight small curls used on all lengths depending on desired curls pink very tight curls can be used for medium to long hair for spiral curls must be piggyback blue extremely tight curl very tiny firm corkscrew curls yellow tightest curl you can get very small firm corkscrew curls [Applause] [Music] [Applause] [Music] [Applause] you