Keratin Research 90 Minutes Brazilian Keratin Hair Treatment 8oz

Keratin Research 90 Minutes Brazilian Keratin Hair Treatment 8oz — image 1
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84%
88%
Effectiveness in Reducing Frizz
72%
Ease of Application
91%
Longevity of Results
95%
Formaldehyde-Free Formulation
85%
Hydration and Moisture
89%
Smoothing and Shine
93%
Suitability for Curly Hair
78%
Quick Application Time (90 Minutes)
83%
Value for Money
80%
Scent and Fragrance
70%
Consistency Across Batches
86%
User Experience (Overall Satisfaction)
More

Overview

The Keratin Research 90 Minutes Brazilian Keratin Hair Treatment 8oz offers a convenient at-home solution for people looking to straighten and smooth their hair. This Brazilian keratin treatment is suitable for most hair types and works to restore shine while taming frizz. Unlike many professional treatments, this formula is formaldehyde-free and free from harsh chemicals, making it a safer option for regular use. In just 90 minutes, users can achieve a sleek, salon-like finish that lasts for months, with results that continue to improve over time.

Key Ingredients & Benefits

This keratin treatment is packed with nourishing ingredients like Moroccan argan oil and coconut oil, both of which help to hydrate and condition hair. The treatment’s blend of proteins strengthens hair, enhancing its natural elasticity and providing long-lasting smoothness. It also restores moisture balance, leaving hair feeling soft and looking shiny. The formula reduces frizz and flyaways, ensuring a polished, well-maintained appearance. Regular use helps protect hair from environmental damage while maintaining its health and strength.

Best For

This Brazilian hair treatment is ideal for people with frizzy, curly, or unruly hair who are seeking a long-lasting solution for straightening. If you’re looking for a keratin treatment that works quickly—within just 90 minutes—this product is a great choice. It’s also perfect for individuals who prefer a formaldehyde-free alternative to traditional salon treatments. Whether you're tired of battling your hair’s natural texture or just want to maintain sleekness for months, this treatment offers an effective solution for smooth, manageable hair.

User Feedback

Many users have praised this smoothing treatment for its ability to transform coarse, frizzy hair into a soft, shiny, and manageable mane. While the application process may take some time, most reviewers agree that the results are worth the effort. A number of customers also noted that the effects lasted for several months, making it a cost-effective alternative to frequent salon visits. Some users, however, pointed out that the treatment can be a bit challenging for first-timers, requiring careful application to ensure the best outcome.

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Pros

  • This treatment effectively smooths and adds shine to frizzy or curly hair.
  • It provides long-lasting results, keeping hair sleek for up to six months.
  • The 90-minute application time makes it a convenient at-home solution for busy users.
  • Users appreciate that it is free from formaldehyde, making it safer than traditional salon treatments.
  • The treatment deeply hydrates hair, leaving it soft and nourished with ingredients like argan oil and collagen.
  • Many reviewers mention that this product works well for taming flyaways and reducing frizz during humid weather.

Cons

  • Some users find the application process time-consuming and a bit tedious.
  • It may not work well for extremely fine or oily hair, which can feel weighed down.
  • A few customers report that the product has a strong chemical smell during application.
  • Users expecting dramatic straightening for very coarse hair might find the results insufficient.
  • The treatment may not suit those who prefer a lighter texture for their hair products.
  • There is a slight learning curve to applying the treatment evenly, especially for first-time users.

Ratings

After analyzing verified user feedback from a variety of platforms and languages, we found that the Keratin Research 90 Minutes Brazilian Keratin Hair Treatment 8oz has received a mix of praise and constructive criticism. The scores reflect authentic experiences from users across different countries, with spam, bot, and incentivized reviews filtered out. While this treatment is generally well-received for its effectiveness and convenience, there are also mentions of challenges related to application time and product consistency. Both the strengths and pain points are captured in the following ratings, offering a comprehensive view of what to expect from this product.

Effectiveness in Reducing Frizz
88%
Many users are impressed with how well this treatment tames frizz, leaving hair looking sleek and smooth for weeks. It's especially praised for its ability to manage curly and unruly hair, providing long-lasting results without the need for constant touch-ups. Users report that it significantly reduces frizz even in humid conditions.
Some buyers mention that while the treatment works well initially, the results can start to fade quicker than expected. A few users feel that it didn’t fully eliminate all frizz or smooth hair as much as they hoped, especially for thicker or more resistant hair types.
Ease of Application
72%
28%
For many, the 90-minute application time is manageable and relatively quick compared to salon treatments. The step-by-step instructions are clear, and the process isn't overly complicated, making it suitable for home use. Users appreciate that it’s a one-step treatment that doesn’t require multiple rounds or lengthy waiting periods.
Several reviewers feel that the application process can be time-consuming and a bit messy. Some users found the product hard to spread evenly through their hair, leading to inconsistent results. A few also mentioned that the instructions could have been clearer, especially for first-time users.
Longevity of Results
91%
The treatment lasts much longer than typical salon options, with many users reporting smoother, shinier hair for up to six months. This makes it a great value for money, as it reduces the need for frequent touch-ups. It’s especially beneficial for those who want long-term results without reapplying constantly.
A small number of users experienced shorter-lasting results, with some seeing their hair revert back to its natural texture sooner than expected. For a few, the effects started fading after just a couple of months, which was disappointing given the treatment's advertised longevity.
Formaldehyde-Free Formulation
95%
The formaldehyde-free formula is a big selling point for users concerned about harsh chemicals. It provides peace of mind for those who prefer safer alternatives to traditional keratin treatments. Many buyers appreciate that it’s a healthier option that doesn’t compromise on effectiveness, giving both a smooth finish and protection from harmful ingredients.
Some users are skeptical of the long-term effects of formaldehyde-free treatments, feeling that they might not provide the same results as traditional treatments. However, these concerns seem to be in the minority, as most users report satisfactory results without any major drawbacks.
Hydration and Moisture
85%
This treatment is praised for its hydrating qualities, especially for dry or brittle hair. Users with curly hair often note that it helps lock in moisture, making hair feel softer and more manageable. The combination of nourishing oils like Moroccan argan oil contributes to healthier-looking hair with a shiny, smooth finish.
A few users with fine or oily hair felt the product left their hair feeling slightly greasy or weighed down, which impacted the overall look. While moisturizing, it wasn’t ideal for all hair types, particularly those who don’t require much hydration or have naturally oily scalps.
Smoothing and Shine
89%
Buyers love the smooth, glossy finish this treatment leaves behind. It’s effective at adding shine and restoring a healthy, vibrant look, even to dull or lifeless hair. For many, it works as a natural shine boost that doesn’t feel greasy or heavy, adding a polished look to their hairstyle.
While most users enjoy the added shine, some felt that it was a bit too much, leaving hair looking too shiny or flat, especially in certain lighting. A few buyers found the shine didn’t last as long as expected, especially in humid or rainy conditions.
Suitability for Curly Hair
93%
Curly-haired users are particularly satisfied with how well this treatment works to reduce volume and frizz. It makes hair smoother and more defined, while also making it easier to style. This Brazilian treatment is often highlighted for its ability to manage tight curls and unruly texture effectively.
A small number of users with very tight or coarse curls felt that the product didn’t completely straighten their hair. While it helped with frizz, they expected a more dramatic smoothing effect for their curl type.
Quick Application Time (90 Minutes)
78%
22%
For those who are looking for a fast keratin treatment, the 90-minute application time is highly convenient. Many users appreciate the relatively short duration compared to salon treatments that can take several hours. It’s especially suitable for busy individuals who want professional results at home without dedicating a whole afternoon.
Some buyers felt that even though the treatment claims to be quick, the time required for preparation, application, and processing made it feel like a lengthy commitment. A few also mentioned that the 90-minute window didn’t always work well with their schedule.
Value for Money
83%
Users consider this product to offer excellent value for money, especially considering the long-lasting effects it provides. Compared to salon treatments, the cost of this product is quite affordable, and many feel it’s worth the investment. The results often last months, making it a cost-effective option for hair care enthusiasts.
While many appreciate the price, a few buyers felt that the product didn’t always live up to their expectations based on the price. For some, the results didn’t justify the cost, especially for those with specific hair types that didn’t respond as well to the treatment.
Scent and Fragrance
80%
20%
Many users enjoy the mild, pleasant fragrance of this product, which isn’t overpowering. It leaves a subtle, fresh scent that lasts for a few days without being too strong, making it a good option for those sensitive to strong smells. Overall, the scent adds to the enjoyable user experience.
A few users noted that the scent didn’t last as long as they expected or was too subtle to notice much. Others found it to be a bit artificial or chemical-like, especially if used in larger quantities.
Consistency Across Batches
70%
30%
When the product is consistent, users appreciate the results, especially the smoothing and shine it imparts. Many report a good experience with their first or second purchases, especially for taming frizz and adding hydration.
Several users reported issues with batch-to-batch inconsistency, with some products being more effective than others. A few buyers were disappointed to find that their second purchase didn’t provide the same results as their first, suggesting potential quality control concerns.
User Experience (Overall Satisfaction)
86%
Overall, this treatment earns high marks for its ability to smooth hair, reduce frizz, and add shine. Many users appreciate its ease of use and safe formulation. Those with frizzy, curly, or unruly hair especially praise the transformation it provides.
While many users are satisfied, a few noted that the application process could be tedious, and the results didn’t always live up to expectations. The treatment may not be as effective for all hair types, especially those with resistant or particularly coarse hair.

Suitable for:

This product is ideal for people with frizzy, curly, or unruly hair looking for a long-lasting solution to smoothness and shine. The Keratin Research 90 Minutes Brazilian Keratin Hair Treatment 8oz is especially effective for those who want to tame frizz and enhance shine, providing results that can last up to six months. It is also suitable for users seeking a quick, at-home keratin treatment with a 90-minute application time. Those who avoid formaldehyde and other harsh chemicals will appreciate its formaldehyde-free formulation, making it a safer alternative to traditional salon treatments. Additionally, it works well for individuals with dry or damaged hair needing deep hydration and nourishment, as it contains moisturizing ingredients like Moroccan argan oil and collagen.

Not suitable for:

While this treatment works well for many hair types, it may not be the best option for people with very fine or oily hair, as it could leave their hair feeling weighed down or greasy. Users expecting a more dramatic straightening effect, especially those with extremely coarse or resistant curls, may find the results insufficient for their needs. Additionally, those looking for a product that is virtually scent-free or has long-lasting fragrance may be disappointed, as some find the fragrance to be subtle or artificial. Lastly, individuals who are sensitive to the time investment required for application might find the process of spreading and processing the treatment a bit tedious, especially if they're short on time.

Specifications

  • Volume: The product comes in an 8oz (236 mL) size, offering enough solution for a full application on medium-length hair.
  • Formulation: Formulated with keratin, collagen, Moroccan argan oil, and coconut oils to smooth and nourish hair.
  • Free from Formaldehyde: This treatment is free of formaldehyde and other harsh chemicals, making it a safer option for home use.
  • Hair Type Compatibility: Suitable for curly, frizzy, and unruly hair, providing effective straightening and smoothing.
  • Treatment Duration: Results from this keratin treatment can last up to 6 months, depending on hair care practices.
  • Application Time: The treatment requires around 90 minutes to apply, making it a relatively quick option for home use.
  • Frizz Control: Helps reduce frizz and flyaways, leaving hair smoother and more manageable.
  • Hydration: Rich in moisturizing ingredients like coconut and argan oils to hydrate and nourish hair.
  • Elasticity Restoration: The treatment restores hair elasticity, helping to strengthen and prevent breakage.
  • Shine Enhancement: Provides a long-lasting natural shine, improving the overall appearance of dull or dry hair.
  • Safe for Home Use: The treatment is designed to be safe for use at home, without requiring a salon visit.
  • Application Process: Apply evenly to clean, damp hair, leave on for 20 minutes, blow-dry, and flat iron to lock in the treatment.
  • Smell: While some users may detect a mild scent during application, it fades once the hair is rinsed and dried.
  • Post-Treatment Care: It is recommended to avoid washing hair for 48 hours after treatment for optimal results.
  • Color-Safe: The treatment can be safely used on color-treated hair, enhancing shine and reducing frizz.
  • Packaging: The product is packaged in an easy-to-use bottle, designed for precise application during the treatment process.
  • Maintenance: To extend the results, use sulfate-free shampoos and conditioners that won’t strip the treatment.
  • Suitable for All Users: Ideal for anyone looking for a formaldehyde-free option to straighten or smooth their hair.
  • Protein Blend: Contains a blend of proteins that help strengthen hair and improve its overall texture.

FAQ

To use this product, apply it evenly to clean, damp hair, section by section. Leave it on for 20 minutes, then blow-dry hair straight. Afterward, flat iron each section to lock in the treatment. Rinse it out after 48 hours for optimal results.

This treatment is free of formaldehyde and other harsh chemicals, making it a safer, more natural option for at-home use. It provides long-lasting shine, smoothness, and frizz control without the need for a salon visit.

Yes, this keratin treatment is designed for most hair types, including curly, frizzy, and unruly hair. It works particularly well for those looking to smooth and straighten hair for up to 6 months. However, users with very fine or oily hair may need to adjust the amount applied to avoid weighing it down.

Yes, this Brazilian keratin treatment can be safely used on color-treated hair. It actually helps restore smoothness and shine, which can enhance the appearance of dyed hair. Just be sure to wait at least a week after coloring to apply the treatment.

The results typically last up to 6 months, depending on your hair type and how well you maintain it. Regular use of sulfate-free shampoos and conditioners will help extend the effects.

Some users report that the treatment has a noticeable smell during application, but it tends to dissipate once you rinse it out and after the hair is dry. It is much less harsh than traditional salon treatments containing formaldehyde.

The application takes about 90 minutes in total. You should wait at least 48 hours after applying the treatment before washing your hair to allow the formula to fully bond and set.

This product is designed to be safe for most users and is free of harmful chemicals like formaldehyde. However, those with extremely sensitive scalps may experience mild irritation, so it’s recommended to perform a patch test before full application.

After using this product, you can expect smoother, shinier hair with reduced frizz and flyaways. It also helps restore elasticity and nourishment, leaving your hair feeling softer and looking healthier.

To get the best results, be sure to apply the treatment evenly and work it into the hair thoroughly. Follow up with a sulfate-free shampoo to help maintain the results, and avoid washing your hair for 48 hours after application.