The Science of Curls- How Perm Cream Works on Your Hair

  • By:BINGO
  • 2024-04-28
  • 10

Perm cream is a chemical solution that can transform straight hair into beautiful curls. The process of getting a perm involves applying the cream to the hair, waiting for it to set, and then rinsing it out. But what exactly is happening to your hair during a perm?

Breaking Down the Hair Structure

To understand how perm cream works, we first need to understand the structure of hair. Hair is made up of three layers: the cuticle, the cortex, and the medulla. The cuticle is the outermost layer and is made up of overlapping scales that protect the hair from damage. The cortex is the middle layer and is made up of keratin, a protein that gives hair its strength and elasticity. The medulla is the innermost layer and is made up of a mix of keratin and air pockets.

The Role of Perm Cream

Perm cream contains two main ingredients: a reducing agent and an oxidizing agent. The reducing agent breaks down the disulfide bonds in the cortex, which are the bonds that hold the hair in its natural shape. Once the disulfide bonds are broken, the hair can be reshaped into curls. The oxidizing agent then reforms the disulfide bonds, locking the hair into its new shape.

The Perm Process

The perm process typically takes several hours. First, the hair is washed and dried. Then, the perm cream is applied to the hair and left on for a period of time, depending on the desired curl pattern. Once the perm cream has set, it is rinsed out and the hair is neutralized to stop the chemical reaction. Finally, the hair is styled and dried.

The Results

A perm can last for several months, depending on the type of perm and how well the hair is cared for. Permed hair is typically more difficult to style than natural hair, but it can also be more voluminous and bouncy.


Perm cream is a powerful chemical that can transform the texture of your hair. By understanding the science behind perms, you can make an informed decision about whether or not to get one.

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