Medical expert of the article
New publications
Keratin hair straightening: the way to smoothness and healthy shine
Last reviewed: 07.06.2024
All iLive content is medically reviewed or fact checked to ensure as much factual accuracy as possible.
We have strict sourcing guidelines and only link to reputable media sites, academic research institutions and, whenever possible, medically peer reviewed studies. Note that the numbers in parentheses ([1], [2], etc.) are clickable links to these studies.
If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please select it and press Ctrl + Enter.
With the beauty market offering many methods for hair care these days, keratin straightening stands out as one of the most popular options for achieving smooth, silky and healthy-looking hair. This treatment is suitable for all hair types, especially curly or frizz-prone hair.
What is keratin straightening?
Keratin straightening is a chemical treatment that repairs and strengthens the hair by filling the surface of the hair with keratin, a protein naturally present in the hair. The process involves applying a keratin solution to the hair followed by a heat treatment that seals the protein into the hair, leaving it smooth and shiny.
Benefits of Keratin Straightening
- Curl Reduction: Keratin fills the pores in the hair, reducing frizz and making it easier to style.
- Shine and softness: Hair becomes smoother and shinier.
- Protection: Keratin creates a protective layer around the hair, shielding it from harmful external influences.
- Strengthening: Keratin strengthens hair, making it less prone to breakage.
Preparing for the procedure
Before you sign up for keratin straightening, you should consult your hairdresser. He will be able to assess the condition of your hair and recommend the appropriate type of keratin treatment. You may need to undergo pre-treatment to strengthen your hair if it is severely damaged.
How the procedure is carried out
The straightening procedure begins with thoroughly cleansing the hair with a deep cleansing shampoo. After that, the keratin composition is applied to the hair and kept for a certain time depending on the product instructions. The hair is then blow-dried and straightened with a high temperature flat iron to activate the keratin. The treatment can take anywhere from 1 to 3 hours depending on the length and density of the hair.
Types of keratin straightening
Keratin hair straightening is a popular procedure that helps to repair and smooth damaged hair, making it smoother and shinier. Today there are several types of this procedure, each of which has its own features and advantages. Let's consider the main ones.
Brazilian Keratin Straightening.
This method is one of the most famous and common. The process involves the application of a keratin-based composition that is absorbed into the structure of the hair, repairing it from the inside out. After the treatment, the hair becomes smooth and straight for several months. However, it is worth noting that Brazilian keratin straightening may contain formaldehyde or its derivatives, which calls into question the safety of this procedure.
American keratin straightening.
The American version of keratin straightening is often advertised as a gentler, formaldehyde-free treatment. American straightening products are mostly natural in composition and are suitable for people with sensitive scalps and those concerned about potential health risks.
Japanese keratin straightening.
This method is also called thermal reconditioning. It is more radical than the Brazilian and American methods and provides long-lasting results. Japanese keratin straightening changes the structure of the hair at the molecular level, which makes the hair perfectly straight for a long period of time.
European keratin straightening
The European method involves the use of lighter formulas that are designed to minimize hair damage. It is ideal for fine and slightly damaged hair, as it contains fewer harsh chemicals and more caring ingredients.
Organic keratin straightening.
With the advancement of technology, organic keratin straightening formulations have emerged that do not contain formaldehyde and other harsh chemicals. These products are usually based on natural ingredients, making the procedure safer and more appealing to environmentally aware consumers.
Importance of choosing a method
The choice of keratin straightening method should be based on hair type, condition and individual preferences. For damaged and dry hair it is better to choose milder methods, while for very curly and thick hair it is better to choose more intensive treatments.
Care after the procedure
After the keratin straightening procedure, special care is required:
- Avoid washing hair for 2-3 days after the treatment.
- Use sulfate-free shampoos to prolong the effect.
- Limit the use of hairpins or rubber bands to avoid leaving marks on your hair.
Possible risks and disadvantages
- Formaldehyde content: Some keratin formulations contain formaldehyde and its derivatives, which can be harmful if inhaled during the procedure.
- Hair damage: The high temperature of the flat iron can damage hair if it is already weakened or dry.
- Cost: The procedure can be expensive, especially if done at high-end salons.
- Temporality of effect: Keratin straightening results can last from 2 to 6 months, depending on hair type and care.
Choosing a quality keratin straightening treatment
The quality of keratin plays a key role in the effectiveness and safety of the procedure. It is recommended to choose products from recognizable brands that transparently state the composition and have positive feedback from both hairdressers and clients.
Frequently Asked Questions
Can keratin straightening be done on color-treated hair?
Yes, you can, but it is advisable to have a coloring procedure 1-2 weeks before straightening with keratin, so that the color is better fixed.
Will my hair be perfectly straight after the treatment?
Not always. The result depends on the original texture of the hair. Some people will have completely smooth hair, while others will still have a natural wave, but without the frizz.
How often can keratin straightening be done?
It is usually recommended to repeat the procedure every 3-6 months. However, it depends on the rate of hair growth and individual peculiarities of hair restoration.
Keratin straightening is an excellent opportunity to achieve smooth and shiny hair. However, like any cosmetic procedure, it requires a competent approach and compliance with all the rules of care after the procedure. With the right approach and regular care, your hair will look well-groomed and healthy for a long time.
Keratin hair straightening is an investment in the beauty and health of your hair, which requires careful care and possibly repeated treatments to maintain the effect. It is important to have the procedure performed by experienced professionals and to consider all the risks and benefits before deciding on this type of hair treatment.