Many people with straight hair may have problems with perms, such as, “If it’s a fluffy perm, it falls out too soon,” or “It doesn’t wave beautifully. In this issue, we will introduce in detail the reasons why “perms don’t go on” that straight-haired people face when applying perms.
First we need to know the structure of our hair!
Hair is divided into three main layers, consisting of the most central “hair medulla,” the surrounding “hair cortex,” and the outermost “hair microcuticle” (cuticle).
The outermost cuticle consists of seven to eight scaly layers of hair from top to bottom, protecting the inside of the hair from various stimuli. It is known that the cuticle is gradually peeled off due to UV rays, friction, and heat from hair dryers and irons. Although there are individual differences depending on hair type, it is thought that the cuticle is reduced by half in one year, and most of the cuticle is removed in two years.
However, in the case of straight hair, it is said that these cuticles are very strong and often overlap tightly. In fact, the reason why perms do not work on straight hair is because of the strength of this cuticle.
If you have straight hair, you can’t get a perm because your cuticles are too strong.
Permanent agents act on the hair cortex by passing through the hair follicle, but instead of passing through the surface of the hair follicle, they penetrate the hair cortex by entering through the slightest gaps.
Therefore, if the cuticle layers are tightly overlapped, as in the case of straight hair, the perm agent will inevitably not penetrate properly and the perm will not work properly.
If the perm agent is left on too long, the damage to the hair will increase, and it is said that even experienced hair stylists find it difficult to determine just the right amount of time for the agent to have penetrated the hair.
It is important to let your hairdresser know that you have difficulty getting a perm.
If you have straight hair that does not perm well, you will need to have a hair stylist with excellent perming skills apply the perm as much as possible.
In this case, it is a good idea to let them know in advance that you have difficulty getting a perm during the preliminary consultation, so that they have a better understanding of your hair quality before the treatment. The length of time the chemicals are left on the hair will vary depending on the condition of the hair and the degree of damage on that day. Be sure to ask a hair stylist you can trust to be flexible.
Even if you have straight hair, you want to enjoy permed hair with soft movement at the ends!