Does keratin treatment grow out or wash out?

Author: Perry Marquardt IV  |  Last update: Tuesday, April 1, 2025

No the treatment is not permanent nor will it "grow out". The treatment gradually and evenly washes out so there is no "line of demarcation". This treatment does not change the inner structure of the hair, but rather creates a protein layer overlay on the cuticle which protects the hair.

How long does it take for keratin treatment to grow out?

Keratin treatments can be applied both in salons and at home. Home treatments generally last 8-12 weeks, while salon treatments may last up to six months. The time the treatment lasts depends on several factors, including how often you shampoo your hair and how porous your strands are.

Does keratin grow out or wash out?

A keratin treatment simply washes out and does not grow out, so you shouldn't have to worry about this type of problem. It will look natural and have a natural fade out.

Will my hair go back to normal after keratin treatment?

Over time (around three to six months) the effect will slowly lessen and hair will return to its natural state.

What happens when you stop getting keratin treatment?

“It takes about a year for the hair to recover after discontinuing keratin treatments. During this time, the original, healthier bonds have the opportunity to regain strength, leading to reduced breakage,” she says.

Beware of Keratin Treatments | Things to Know Before Getting a Keratin | Keratin on Curly Hair

What are the negatives of keratin hair treatment?

The Downsides

While it can strengthen strands, keratin treatments can potentially cause other types of damage to your hair. Mensah explains that the process involves high heat and harsh chemicals which can lead to moisture loss and leave hair dry.

Why is my hair frizzy again after keratin treatment?

One of the common culprits for frizz after a keratin treatment is product buildup. Over time, styling products, oils, and environmental pollutants can accumulate on the hair. So, they start creating a layer of residue that weighs it down and compromises the effectiveness of the keratin treatment.

How do I get my natural hair back after keratin treatment?

  1. Wait Before Washing. Patience is key after your keratin treatment. ...
  2. Use Sulfate-Free Shampoo and Conditioner. ...
  3. Avoid Salt Water and Chlorine. ...
  4. Minimize Heat Styling. ...
  5. Prioritize Regular Touch-ups. ...
  6. Use a Silk Pillowcase. ...
  7. Avoid Hair Tying or Clips. ...
  8. Use Keratin-Infused Products.

How damaging is a keratin treatment?

The keratin itself isn't damaging to hair, but the excess heat and other chemicals involved in keratin treatments may leave your client's locks vulnerable. And, as we know, chemical damage and heat damage can have a number of side effects. These include: Dryness and dullness.

What is the least damaging hair treatment?

Brazilian straightening is the least damaging hair straightening method thanks to the use of keratin and gentle formulas that respect the natural structure of the hair. By offering long-lasting results and improving the overall health of the hair, Brazilian straightening stands out from other straightening techniques.

Why is my hair so flat after keratin treatment?

Keratin Effects: While keratin treatments smooth the hair by sealing the cuticle, they can also weigh down fine or thin hair, potentially reducing volume. Balance Between Smoothness and Volume: Achieving the right balance involves selecting the right product and applying it in a way that minimizes volume loss.

Which lasts longer, Brazilian blowout or keratin?

A Brazilian blowout is temporary and lasts for 12 weeks. It requires a special conditioner and shampoo to maintain the smoothness. A keratin treatment is temporary and lasts for 3–6 months. It needs a special conditioner and shampoo to prevent the keratin from rinsing off.

Do you have to flat iron after keratin treatment?

Don't wash your hair for 72 hours after getting a keratin hair treatment, and iron it at least twice daily. By doing this, you can make sure that the protein completely seals the hair fibre. It's also crucial to flat iron your hair after washing it to reactivate the keratin and prevent damage to the hair fibre.

What happens when hair grows after keratin treatment?

Keratin treatment doesn't directly make your hair grow faster. However, it helps your hair look healthier by reducing breakage and frizz, which can make hair growth appear more noticeable. The treatment strengthens your hair, making it less prone to damage, and allowing for longer, stronger hair over time.

Do and don'ts after keratin treatment?

Avoid activities like swimming, sauna's and spa's for at least two weeks! Don't tie your hair up in a ponytail or clip it too tightly. We recommend avoid brushing your hair for the first 24-48 hours. The Keratin treatment needs to have sufficient time to be fully absorbed into the hair.

Should I get a Brazilian blowout or keratin treatment?

The keratin treatment is meant more as a de-frizzing and smoothing treatment," says Michael. Michael recommends the keratin treatments for those who are looking for straighter strands—and the Brazilian blowout for those who want to maintain their curls.

What are the downsides of keratin treatment?

Some keratin treatment formulas may contain formaldehyde, a strong-smelling chemical that can cause watery eyes, coughing, wheezing, skin irritation and a burning sensation in your eyes, nose and throat.

Why does my hair feel like straw after keratin treatment?

"After any Keratin Treatment, the Moisture vs. Protein balance in our hair will be "out-of-sync" due to the high protein concentration used during the procedure. This will cause hair to feel rough, coarse and brittle in the short or long term if nothing is done to counteract it.

Will keratin ruin my natural hair?

In-salon keratin treatments, especially those made with formaldehyde (though again, many modern formulas no longer contain this chemical) can weaken strands, causing excessive shedding and thinning—so it's important to ask your stylist what kind of keratin treatment they use.

What removes keratin treatment from hair?

Use a Bentonite clay hair mask.

The treatment flexes the hair cuticles and removes the keratin layers the same way it would remove buildup and toxins from the hair.

How long does it take for hair to go back to normal after keratin?

Keratin treatments don't harm the hair in the same way as conventional hair and relaxing techniques do. After two to three months of treatment, the hair returns to its natural form.

Does keratin damage hair over time?

On its own, keratin treatments won't always damage your hair. However, there are a few things to be aware of before booking yourself a treatment. There's a lot of research showing formaldehyde-based keratin treatments are neither safe nor healthy.

Which shampoo is good for keratin-treated hair?

  • L'Oréal Professionnel Xtenso Care Sulfate-Free Shampoo for Frizz-Free, Shiny & Manageable Hair 250ml | With Pro Keratin & Asta Care | For Men & Women | Unruly, Unmanageable Hair. ...
  • Keratine Professional Sulphate free Smooth shampoo and mask | for Dry & Damaged Hair | Hair Repair Mask | (COMBO PACK) 500ML each.

Why is my hair so tangled after keratin treatment?

Structure Sensitivity: After a keratin treatment, while your hair may be smoother, it can also be more susceptible to breakage if tangles are not managed carefully.

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