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Brazilian Blowout Vs. Relaxer: Which is Better?

Getting rid of frizz and boosting hair shine is your top priority if you have wavy or curly hair. But, with so many different straightening brands in the market, it can be pretty hard to decide the right one for you. This article will explore the Brazilian blowout vs. relaxer debate to help you determine which is best for your hair.

1. Brazilian Blowout

The Brazilian blowout is a professional hair treatment that gets rid of your hair’s frizz to leave it looking and feeling smoother and shinier for up to 13 weeks. After application, this liquid treatment forms a protective layer around your hairs, thus sealing cuticles for easier hair management. 

However, the Brazilian blowout doesn’t supplement your hair’s keratin or straighten your hair completely.

(Read: The difference between Brazilian blowout vs keratin treatment)

One of the treatment’s best characteristics is that it leaves your hair with enough volume, so you can try many styling options.

To apply a Brazilian blowout, thoroughly wash your hair with a clarifying shampoo to remove any buildup. When done, apply the Brazilian blowout to your hair and use a blowdryer to lock in the treatment. 

a) What is Brazilian blowout made of?

The Brazilian blowout is formulated with natural plant derivatives like annatto seeds, acai berries, and camu camu. However, it may also contain unhealthy chemicals such as formaldehyde, a known carcinogen, formic aldehyde, methanol, etc.

b) How long does Brazilian Blowout last?

Since the Brazilian blowout is not a permanent treatment, the straightening solution will only last a few months. Therefore to maintain the results, you will need to have touch-ups after every few weeks. 

c) Aftercare for a Brazilian blowout

To extend good results for your Brazilian blowout, avoid cleaning your hair for a few days after application. Also, when washing your hair, use a sulfate-free shampoo and conditioner to maintain the straightening effects. 

2. Hair Relaxer

Hair relaxers are chemical-based lotions or creams specifically formulated to straighten, smoothen, and relax kinky or curly hair. You can choose three types of hair relaxers depending on your needs: ammonium thioglycolate relaxers, sodium hydroxide relaxers, or calcium hydroxide relaxers. The last two relaxers are also known as lye and no-lye relaxers, respectively. 

They are formulated to alter your hair’s texture and can thus leave you with pin-straight hair. In addition, these products can also dry your hair and may also cause scalp irritation during application.

a) How does it work?

The chemicals disrupt the disulfide bonds between the protein structures and hair strands during relaxation. This rearranges and effectively alters the hair’s overall texture. So if you have kinky or curly hair, you might end up with straight strands for a few months, though new hair will grow with the natural texture.

b) How long do hair relaxers last?

The straightening effects of a chemical relaxer can last up to eight weeks until new hair growth takes place. 

c) Risks of using hair relaxers

You should use chemical hair relaxers very carefully to avoid harmful side effects. These include chemical injuries, hair loss, dullness, frizziness, extremely dry hair, and weak hair.

It would help if you also did not use hair relaxers on color-treated hair, and the application of hues should be limited after hair treatment.

In most cases, it is best to get your hair treated by a professional, so they can perform a strand test, protect your scalp, and recommend the best products to use. 

d) Aftercare for hair relaxers

After applying a relaxer to make your hair management easier, here are some tips to help you take care of your hair. 

  • Avoid tight hairstyles
  • Avoid frequent use of shampoo, and use a gentle sulfate-free, reconstructing shampoo
  • Use hydrating protein masks
  • Trim the dry and brittle hair ends

Which Is The Best Hair Treatment For You?

When trying to pick a side between the Brazilian blowout vs. relaxer debate, consider these four factors to help you make the right decision.

  1. Lifestyle: If you live an active lifestyle or often swim or sweat, the Brazilian blowout is best suited for you, and it is more resistant to heat and water.
  2. Hair Type: If your hair is fine or damaged, the Brazilian blowout could be the best option. The relaxer treatment is best if you have thick or coarse hair.
  3. Cost: A hair relaxer can be more expensive than a Brazilian blowout.
  4. Longevity: If you want the treatment to last on your hair for several months, the relaxer treatment may be a better option. Also, if you’re looking for a temporary straightening solution, the Relaxer is the best pick.

The best treatment for your hair depends on your personal needs and preferences. Therefore, it is best to ask your stylist to help you decide on the right treatment for you.

Frequently Asked Questions on Brazilian Blowout Vs. Relaxer Treatment

a) Which is better?

While both hair treatments can help straighten and smooth your hair, you can pick the hair relaxer when you want straighter hair for more weeks. On the other hand, the Brazilian blowout is gentler and preserves good hair volume for easier styling.

b) Will my hair be damaged after using any of these treatments?

Both treatments can cause damage to your hair if not applied properly and if they contain ingredients like formaldehyde and parabens.

c) Which treatment is ideal for colored hair?

The Brazilian blowout is a better option for colored hair. However, if you want to color-treat your hair, it is also best to apply the color days before the Brazilian blowout treatment.


Straightening your hair can be a time-consuming and costly procedure. But with the right treatment, you can enjoy smooth and cooperative hair for months. If you are stuck picking between the Brazilian blowout vs. relaxer, we have provided some information to help you decide. However, it is also best to consult your stylist before purchasing any treatment.

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