What Really Happens to Your Hair During a Perm? Everything You Need to Know

Do you love changing your hairstyle often? Some people like to keep the exact same look for years. Other people love to try something new every single month. Your hair has a huge power to change how you look to the world. Some people have naturally curly hair. This other people have straight hair. If you have straight hair and want curls, or if you have curls and want straight hair, you can use a chemical process called a hair perm.

A hair perm changes your natural hair texture using special chemicals. It takes a few hours at the salon to complete the process. If you take good care of your perm, it can last anywhere from three to six months. However, your scalp health, your hair care routine, and how fast your hair grows can change this timeline. Longer hair tends to hold a perm for a longer time than very short hair.

What Is a Hair Perm?

Hair perm, permanent wave, and permanent texture all mean the exact same thing. It is a chemical process that changes your natural hair shape into curls, waves, or a straight style. The procedure takes several hours in the chair. With proper care and maintenance, your new look can last for three to six months.

Your scalp health, daily hair care habits, and your natural hair growth rate affect how long the style lasts. Short hair grows out faster, meaning the perm disappears sooner. Long hair holds the styled texture for a longer period before it grows out completely.

How Salons Do a Hair Perm

If you visit a hair salon for a perm, your stylist will follow a careful step-by-step process. Knowing these steps helps you prepare for your salon visit.

First, your hairstylist washes your hair with a strong shampoo. This removes all oil, dirt, and product buildup so the hair is fully ready for the treatment.

Next, your stylist wraps your damp hair around special rollers and rods. The size of the rollers depends on the size of the curls you want. Small rollers create tight curls. This larger rollers create loose waves.

After wrapping, the stylist applies a chemical liquid treatment to your hair. This chemical breaks the natural protein bonds inside your hair strands so they can take the shape of the rollers.

Your hair sits with the chemical solution for about fifteen to twenty minutes. The exact time depends on your hair type and how well it absorbs the treatment.

Once the time is up, the stylist rinses your hair thoroughly with warm water while the rollers are still in place or right after removing them.

Next comes the neutralizing step. The stylist applies a neutralizer liquid to lock the new curl shape in place permanently and stop the chemical reaction.

After the neutralizer works, the stylist washes your hair one final time to remove any leftover chemical residue from your scalp and strands.

Finally, the stylist applies a rich conditioner to restore moisture, give your hair a shiny look, and keep it soft and healthy.

If you are getting a straightening perm instead of curls, the stylist uses a flat iron and a blow dryer after applying the chemicals to make your hair completely straight.

Is It a Good Idea to Do a Perm at Home?

Many people buy home perm kits online or from local stores. They watch videos on social media and try to perm their hair at home. While this saves money and time, it carries a very high risk because you lack professional training.

If you decide to do a home perm, follow the kit instructions with exact care. Use a timer to watch the minutes closely. If your scalp starts to burn, sting, or hurt, wash your hair right away and seek medical help if the irritation continues.

What Chemicals Are Inside a Perm?

A hair perm directly affects the keratin protein inside your hair. Keratin makes up about ninety-five percent of every single hair strand. The chemicals in a perm break the bonds between these keratin molecules and shape them into a new form.

The main chemical used in most traditional perms is ammonium thioglycolate. This strong chemical is also the main reason hair gets damaged during the process. If your hair is fine, thin, or weak, you should choose an acid-balanced perm that uses gentler ingredients like glyceryl monothioglycolate.

Some products state they do not contain ammonium thioglycolate. Instead, they use alternative chemicals like cysteamine or mercaptamine. These are still thio compounds and can cause damage to your hair strands if not used properly.

Always ask your hairstylist what kind of chemical they plan to use before they start your perm treatment. Understanding your treatments is your right as a client.

What Types of Perms Are Available?

Today, many different types of perms exist. You can choose one that matches your natural hair type and the look you want to achieve.

How to Take Care of a Perm

To keep your perm looking great for up to six months, you must take care of it properly. Caring for permed hair requires a different routine than normal hair.

• The Golden Rule: Do not wet your hair, swim, or rub it hard for the first 48 hours after your perm. This waiting period lets the new curl bonds set completely. Avoid sweaty workouts and taking showers without a shower cap during these two days.
• Stay Away from Chlorine: Swimming pool water contains chlorine chemicals that break down your perm and damage your hair strands.
• Reduce Heat Styling: Using flat irons, curling wands, and high-heat blow dryers often will relax your curls and ruin your perm faster.
• Change How You Sleep: Sleep on your stomach or side instead of flat on your back to reduce pressure on your hair. Use a silk pillowcase or a silk sleep cap to stop tangles and frizz.
• Brush Gently: Detangle your wet hair using only your fingers or a wide-tooth comb. Start brushing gently from the ends and work your way up to the roots. Never pull or yank your hair hard.
• Keep Hair Moisturized: Chemicals dry out your hair strands. Use a good leave-in conditioner and regular protein treatments to keep your hair hydrated and strong.

Who Should Avoid Getting a Perm?

While getting a perm is a fun way to change your look, it does not suit every single head of hair. If your hair is already unhealthy, a perm will cause even more damage. Avoid getting a perm if you have any of the following conditions.

• Your hair is overly processed from too many previous chemical treatments and hair dyes.
• Your hair has severe split ends and frayed tips.
• Your hair is very weak, fragile, and porous.

Medical experts and researchers advise against giving chemical perms to young children and preteens aged 10 to 13. Some health studies suggest a link between certain chemical hair products and long-term health risks. Always think carefully before exposing young people to harsh chemicals.