Does Keratin Treatment Make Hair Straight? All You Need to Know

Have you ever wondered if a keratin treatment can make your hair straighter? Well, you’re not alone. Many people want to achieve that salon-perfect, polished look without putting too much effort into styling their locks. Keratin treatment is one way to achieve this kind of look with minimal effort and time. But is it really effective?

The truth is, there’s no simple answer to this question. Some people swear by keratin treatment, saying it makes their hair much straighter, shinier, and more manageable. Others don’t see much of a difference, especially if they have naturally straight or thin hair. However, there are some key things to consider if you’re thinking of getting a keratin treatment and want to straighten your hair.

Firstly, it’s important to understand what keratin treatment actually is and how it works. Essentially, keratin is a protein that is naturally found in our hair, skin and nails. During the treatment, a solution containing keratin is applied to the hair and then sealed in with heat. This can help to strengthen, smooth and protect the hair, which can in turn make it appear straighter. So, while keratin treatment can certainly help to improve the texture and appearance of your hair, whether or not it will make it straighter depends on a wide variety of factors, including your hair type, the length, and thickness.

The Science of Keratin Treatment

Keratin treatment is a popular hair treatment that promises to tame frizz, boost shine, and make hair more manageable. The treatment is also known as Brazilian blowout or keratin smoothing treatment. It involves applying a keratin protein to the hair and sealing it in with heat. The result is sleek, smooth, and straight hair that lasts for several weeks or months.

The science behind keratin treatment lies in the protein keratin. Keratin is a naturally occurring protein that forms the structure of hair, skin, and nails. It provides strength, resilience, and elasticity to these tissues. However, environmental stressors like heat, chemicals, and pollutants can damage the keratin in hair, making it weak, porous, and frizzy.

Keratin treatment aims to restore the lost keratin in hair and protect it from future damage. The treatment uses a liquid keratin formula that is applied to the hair in small sections. The formula penetrates the hair shaft and fills in the gaps in the damaged keratin. It also coats the hair with a protective layer that guards against heat, humidity, and UV rays. Finally, the hair is sealed using heat from a flat iron, which locks in the keratin and creates a smooth, straight finish.

How Does Keratin Treatment Work?

Keratin treatment is a popular hair straightening procedure that has been gaining popularity over the years. This treatment method involves the use of keratin molecules that are infused into the hair shaft in order to make the hair smoother and straighter. In this subtopic, we will delve deeper into the science behind keratin treatment and how it works to make hair straight.

  • Keratin molecules in hair
  • The hair is made up of a protein known as keratin. Keratin molecules are responsible for the strength and structure of hair. When hair is damaged or exposed to harsh environmental conditions, the keratin molecules become damaged and the hair becomes weak and brittle.

  • Infusing keratin into hair
  • Keratin treatment works by infusing keratin molecules into the hair strands. During the treatment, a keratin-rich solution is applied to the hair, and it is left to soak for a specified period of time to allow the keratin molecules to penetrate the hair shaft. After the allotted time, the hair is washed and blow-dried, then flat-ironed to lock in the keratin and seal the hair cuticles.

  • Keratin smoothes hair
  • The keratin molecules bond with the hair cuticles, which are the outermost layer of the hair shaft. This bonding process smooths out the hair cuticles and fills in any gaps or rough spots on the hair surface. This results in softer, smoother, and straighter hair that is easier to manage.

The table below summarizes the main steps involved in the keratin treatment process:

Steps involved in Keratin Treatment:
Apply keratin-rich solution to hair
Leave for specified amount of time
Wash hair
Blow-dry hair
Flat-iron hair

Overall, keratin treatment works by infusing keratin molecules into the hair shaft to smooth out the hair cuticles and make the hair straighter and more manageable. While there are some concerns about the safety of this treatment method, when done correctly, it can be an effective way to improve the appearance and health of damaged or frizzy hair.

Keratin Treatment vs. Other Hair Straightening Methods

Many people with unruly, frizzy, or curly hair seek ways to achieve smooth, manageable, and straightened locks. Several methods can help to achieve this goal, but the question remains which one to choose. In this article, we will compare the most popular hair straightening methods to help you make an informed decision. In this section, we will discuss the differences between keratin treatment and other hair straightening methods.

  • Chemical Straightening: This method involves using strong chemicals, typically lye-based, to break down the bonds of your hair and then reshape them. The chemicals are applied to the hair, which is then wrapped around rods to create the desired texture. Chemical straightening can result in hair damage, breakage, and hair loss. It is usually not suitable for fine hair as it can cause strands to be too thin and brittle.
  • Hair Relaxers: Hair relaxers are similar to chemical straighteners, but they are gentler. The chemicals used are less harsh and are typically used for those with curly or wavy hair who want to relax their curls and make them looser. However, they can still cause damage to hair if not used correctly, and the process needs to be repeated as the hair grows out.
  • Japanese Straightening: This method involves the use of hair straightening chemicals and heat to give hair a straight, silky look. The treatment lasts several hours, and the hair can remain straight for up to six months. However, this is a costly process, and if not done correctly, it can cause significant damage to hair.

Compared to these other methods, keratin treatment has several advantages. Firstly, it is a more natural method as it uses keratin, a protein that is naturally present in hair, as the main ingredient. Secondly, it does not involve the use of any harsh chemicals. Keratin treatment is achieved by coating the hair with a keratin product and then sealing it with heat. This process smoothens out the hair cuticles, reduces frizz, and leaves hair looking shiny, silky, and more manageable.

Another advantage of keratin treatment is that it can be used on all hair types, including color-treated hair. However, it is always advisable to have a consultation with a hairstylist before undergoing any treatment to ensure your hair is healthy enough to undergo the process.

Keratin Treatment Other Hair Straightening Methods
Natural and gentle on hair Uses harsh chemicals to straighten hair
Long-lasting, usually up to six months Duration varies depending on the method
Can be used on all hair types Not suitable for all hair types
Makes hair more manageable and reduces frizz Can cause hair damage if not done properly

Overall, keratin treatment is a safer, more natural, and more effective method of achieving straighter, manageable hair than other hair straightening methods. While other methods may be cheaper, they often come with the risk of hair damage, breakage, and loss. It is always advisable to consult a hairstylist to determine which hair straightening method would work best for your hair type and needs.

Pros and Cons of Keratin Treatment

Keratin treatment has gained popularity over the years as it makes the hair smoother, shinier, and healthier-looking. However, it is essential to understand the pros and cons of the treatment before deciding on getting one.

  • Pros:
  • Reduces frizz and makes hair more manageable: Keratin treatment smoothens out the hair and makes it much easier to manage and style. Hair is less likely to get tangled, reducing breakage and split ends.
  • Adds shine: Keratin treatment adds a beautiful shine to the hair, making it look healthier and more vibrant. The hair looks smoother, and the cuticles are less likely to get roughed up by brushing or heat styling.
  • Long-lasting results: Unlike other chemical treatments, keratin treatment can last for several months, depending on the hair type and the quality of the product used. This means less time and effort on daily hair care.
  • Safe for most hair types: Keratin treatment can work with most hair types, including color-treated and chemically processed hair. However, it is essential to choose the right product and a professional stylist who understands the hair type to avoid any damage.

However, keratin treatment also has its share of cons, which should be considered before deciding to go for one.

  • Cons:
  • Expensive: Keratin treatment is not a cheap process, especially if you get it done from a reputable salon. The treatment can cost anywhere between $150 to $600, depending on the hair length and thickness.
  • Not suitable for all hair types: While keratin treatment can work with most hair types, people with extremely curly or kinky hair may not see significant results as it does not have the same effect on hair textures that are tightly coiled. In some cases, the treatment may cause hair to become too straight, which can be difficult to style.
  • Not a permanent solution: Keratin treatment can last for several months, but it is not a permanent solution. The treatment will gradually wear off over time, and the natural hair texture will return.
  • May contain harmful chemicals: Some keratin treatments contain formaldehyde, a chemical that can be harmful to your health, especially if inhaled. It is crucial to choose a treatment that is free of harmful chemicals and has been approved by regulating agencies like the FDA.

In conclusion, keratin treatment can be an excellent way to achieve smoother and healthier-looking hair, but it also comes with some drawbacks. It is essential to consider the pros and cons before making a decision and choose a reputable salon and a qualified professional for the treatment.

Pros Cons
Reduces frizz and makes hair more manageable Expensive
Adds shine Not suitable for all hair types
Long-lasting results Not a permanent solution
Safe for most hair types May contain harmful chemicals

Overall, it’s important to keep in mind that every person’s hair is different and what may work for one may not work for another. It’s always best to consult a professional stylist before deciding on getting a keratin treatment.

Risks and Side Effects of Keratin Treatment

While keratin treatment can make your hair look silky smooth, it’s important to understand the risks involved before you undergo the treatment. Here are some of the potential side effects:

  • Eye irritation and respiratory problems: The formaldehyde used in many keratin treatments can cause eye irritation, coughing, and difficulty breathing. It’s important to choose a formaldehyde-free treatment to avoid these risks.
  • Damage to hair follicles: Keratin treatment involves using heat and chemicals to alter the structure of your hair. This can cause damage to the hair follicles, making your hair more susceptible to breakage and hair loss.
  • Skin irritation: The chemicals used in keratin treatments can irritate your skin, leading to redness, itching, and even blisters.

It’s important to note that the risks of keratin treatment vary depending on the type of treatment and the salon you choose. Some salons use high-quality, formaldehyde-free products that are less likely to cause side effects. However, it’s always a good idea to do your research and choose a reputable salon with a proven track record of success.

If you do decide to undergo keratin treatment, it’s important to take steps to minimize the risks. Here are some tips:

  • Choose a salon with a good reputation and a proven track record of success.
  • Look for a treatment that is formaldehyde-free.
  • Ask your stylist to use the lowest possible heat setting to minimize damage to your hair.
  • Avoid washing your hair for at least 48 hours after the treatment to allow the keratin to fully penetrate your hair.

Is Keratin Treatment Right for You?

Before you decide to undergo keratin treatment, it’s important to weigh the risks and benefits. While keratin treatment can make your hair look smooth and silky, it’s not for everyone. If you have damaged hair, a sensitive scalp, or allergies to the chemicals used in keratin treatments, you may want to consider an alternative treatment.

Pros of Keratin Treatment Cons of Keratin Treatment
Eliminates frizz and makes hair more manageable Can be expensive
Makes hair look smoother and silkier Can cause damage to hair follicles
Results can last for several months May not be suitable for people with allergies or sensitive skin

Ultimately, the decision to undergo keratin treatment is a personal one. By weighing the pros and cons and taking steps to minimize the risks, you can make an informed decision about whether keratin treatment is right for you.

Maintaining Keratin Treated Hair

Keratin treatments are famous for straightening hair and making them more manageable. These treatments penetrate the hair cuticle with keratin, a natural protein found in hair to repair damaged hair and make them smoother and shinier. However, the question arises, what happens after the treatment is done, and how can we maintain the keratin-treated hair?

  • Use Sulfate-free Shampoo: After getting keratin treatment, the first and foremost tip is to use a sulfate-free shampoo. Regular shampoos contain sulfates, which can strip away the keratin treatment, making it less effective. So, invest in a good sulfate-free shampoo that will help you maintain the treatment for a longer time.
  • Avoid washing your hair too often: It is essential to keep your hair hydrated and wash them regularly to maintain their health. However, don’t wash them too often as keratin treatment may not last long if you wash your hair repeatedly. Try to wash your hair twice a week or as per your hairstylist’s recommendation.
  • Avoid using heating tools: Heating tools can damage your hair, and after getting the keratin treatment, excessive heat can undo the smoothing effects. Avoid using flat irons, curling wands, and blow dryers on high heat. If using heat, apply a heat protectant serum to protect your hair from damage.

Other essential tips for maintaining keratin treated hair include:

  • Use hair-bands and clips that do not damage the hair strands.
  • Avoid swimming in chlorinated water.
  • Do not use oil-based products regularly as they can weaken the keratin treatment.

Now let’s look at the table below that suggests how long keratin treatments can last, and the factors that affect the duration of the treatment:

Factors that affect Keratin Treatment Duration of Keratin Treatment
Hair type (curly, frizzy, oily, etc.) 3-6 months
Environmental factors (sunlight, pollution, wind, humidity, etc.) 2-4 months
Maintenance (use of sulfate-free shampoo, washing hair less frequently, etc.) 4-6 months

Regular maintenance is vital for maintaining the keratin-treated hair and making it last for a longer time. Follow these tips, and your hair will stay smoother and shinier for months after the treatment.

Alternatives to Keratin Treatment

If you’re looking for ways to straighten your hair without the use of keratin treatment, there are several alternatives to consider. Here are some of the most effective:

  • Japanese Thermal Hair Straightening: Also known as thermal reconditioning, this treatment uses heat to straighten hair and lasts up to six months. It works by breaking down the hair’s natural structure using a chemical solution and a flat iron.
  • Blowout: A salon treatment that involves blow-drying and styling the hair with a round brush to create a smooth, straight finish. Results last up to a week but vary depending on hair type.
  • Chemical Relaxers: These treatments use chemicals to break down the bonds in the hair and make it straight. Results last up to two months and require touch-ups as new hair grows in.
  • Hair Straightening Brushes: These tools use heat and bristles to straighten hair. They work similarly to a flat iron but are less damaging. Results vary but typically last a few days.
  • Natural Straightening: For those who prefer to avoid chemicals, there are several natural ways to straighten hair. These methods include blow-drying the hair with a brush, using a straightening iron, and using aloe vera or coconut oil as a natural straightener.
  • Ceramic Hair Straighteners: Similar to hair straightening brushes, flat irons use heat to straighten hair. They are more damaging than hair straightening brushes, but the results last longer.
  • Hair Rebonding: A method of straightening hair that involves using a relaxant cream to break down the hair’s natural structure, followed by a neutralizing solution to set the hair in its new straight position. Results last up to six months.


If you’re considering straightening your hair, it’s essential to research the different methods available to you. While keratin treatment is a popular choice, there are several alternatives that may be more suitable for your hair type and lifestyle. Whatever method you choose, make sure to take proper care of your hair to maintain its health and keep it looking flawless.

FAQs: Does Keratin Treatment Make Hair Straight?

1. What is Keratin Treatment?
Keratin treatment is a hair straightening method that uses keratin, a natural protein, to infuse the hair cuticle, making it smooth and shiny.

2. Is Keratin Treatment a Permanent Solution for Straight Hair?
Keratin treatment is not a permanent solution for straight hair. The effects of keratin treatment usually last for 3-5 months, depending on your hair care routine.

3. Is Keratin Treatment Suitable for All Hair Types?
Keratin treatment is suitable for all hair types, including curly, wavy, and frizzy hair. However, it is recommended to consult a hair care professional before undergoing the treatment as it may not be suitable for damaged hair.

4. Does Keratin Treatment Have Any Side Effects?
Keratin treatment is generally safe, but it may have some side effects such as scalp irritation and hair breakage, especially if the treatment is done improperly. To avoid these issues, it’s important to have the treatment done by a professional.

5. Does Keratin Treatment Make Hair Straight?
Keratin treatment can make your hair straighter, but it depends on your hair type and the level of straightness you desire. The treatment can reduce frizz and make hair smoother, but it won’t turn curly hair into straight hair.

6. How Long Does Keratin Treatment Take?
The duration of keratin treatment depends on your hair length and the salon you choose. Generally, it takes 2-3 hours to complete the treatment.

7. How to Maintain Keratin Treated Hair?
To maintain keratin treated hair, it’s important to avoid washing your hair for at least two to three days after the treatment. Also, use sulfate-free shampoo and conditioner to keep the hair healthy and avoid using hair products that may contain alcohol or harsh chemicals.

Closing: Thanks for Reading!

We hope this article has answered your questions about keratin treatment and its effects on hair straightness. Remember to consult a professional hairstylist if you’re considering getting keratin treatment as it can have some side effects if not done properly. Thanks for reading and please come back for more hair care tips!