KERATIN RESEARCH Brazilian Keratin Hair Treatment 10oz

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86%
91%
Effectiveness in Frizz Control
88%
Long-Lasting Results
85%
Ease of Application
90%
Smoothness & Shine
89%
Suitability for Curly Hair
80%
Scent/Fragrance
84%
Hydration & Moisture
78%
Packaging & Dispensing
92%
Ingredient Quality
86%
Value for Money
75%
Sensitivity/Allergy Concerns
90%
Overall User Satisfaction
More

Overview

The KERATIN RESEARCH Brazilian Keratin Hair Treatment 10oz is a salon-grade solution designed to smooth and straighten hair, giving you lasting results. This keratin treatment comes in a 10oz bottle, which is ideal for up to 5 treatments, depending on hair length and thickness. The formula helps reduce frizz and enhances manageability, providing smooth, silky hair for up to 6 months. Suitable for a variety of hair types, including coarse, frizzy, and curly hair, this treatment is a popular choice for anyone looking to maintain sleek, well-conditioned hair with minimal effort.

Key Ingredients & Benefits

This hair smoothing treatment is packed with potent ingredients that nourish and protect. Keratin works to replenish natural proteins in your hair, strengthening and smoothing each strand. Argan oil deeply moisturizes, adds shine, and shields hair from heat damage, while coconut oil provides hydration and protects from environmental stressors. Additionally, collagen helps improve elasticity and promotes healthier hair growth. These ingredients work synergistically to provide a treatment that strengthens, smooths, and restores hair, leaving it shiny and more manageable.

Best For

This Brazilian keratin treatment is ideal for people with coarse, frizzy, or curly hair seeking a smoother, more manageable look. It's also perfect for those who want a long-lasting solution to tame unruly hair, as results can last between 3 to 6 months. If you're tired of spending too much time styling or fighting frizz daily, this keratin treatment provides a great way to reduce maintenance time and achieve consistently smooth hair with minimal effort. It’s also suitable for individuals looking for a protective solution to combat damage from heat styling and environmental factors.

User Feedback

Users rave about the noticeable difference this treatment makes in the texture of their hair, with many reporting smoother, shinier results and less styling time required. It’s praised for its ability to eliminate frizz and tame even the most unruly locks. However, a few reviewers recommend using a clarifying shampoo before application to ensure optimal results. Some also caution that while it works well on thick, curly hair, those with fine hair may not experience the same level of effectiveness. Overall, the treatment has received high marks for its transformative effects on hair texture and manageability.

#Chemical Hair Straighteners
#Hair Perms, Relaxers & Texturizers
#Hair Care
#Beauty & Personal Care

Pros

  • Effectively reduces frizz, leaving hair smoother and more manageable.
  • Works well for people with coarse, curly, or unruly hair types.
  • Provides long-lasting results, with many users noting 3–6 months of effectiveness.
  • Helps cut down on styling time, as hair requires less attention after treatment.
  • Formulated with moisturizing ingredients like Argan and Coconut oil, offering added shine and hydration.
  • Ideal for those seeking a salon-quality treatment they can apply at home.
  • Many users report visibly shinier and healthier hair after use.

Cons

  • May leave hair feeling heavier or greasy for those with fine hair.
  • Not suitable for sensitive scalps, as some users experienced irritation.
  • The neutral scent may be too subtle for those who prefer a strong fragrance.
  • Results can vary, with some users needing a clarifying shampoo for optimal effects.
  • May not provide dramatic straightening for users with very tight curls.
  • Requires careful application and aftercare to achieve best results.
  • Could be too expensive for those seeking a budget-friendly solution.

Ratings

After analyzing verified user reviews from multiple platforms and languages, the overall feedback for KERATIN RESEARCH Brazilian Keratin Hair Treatment 10oz is largely positive, with users appreciating its ability to smooth and straighten hair. Reviews reflect both strengths and some pain points, with particular emphasis on the long-lasting frizz control and hair manageability. Spam, bot/incentivized, duplicated, and exaggerated reviews were filtered out to ensure authentic and high-quality feedback was considered for this analysis.

Effectiveness in Frizz Control
91%
Many users report significant improvement in frizz control, even in humid conditions. This treatment is praised for keeping hair sleek and manageable throughout the day, reducing the need for daily styling. It’s especially effective for those with coarse, curly hair looking for smoother texture.
A few users mention that while the frizz control is impressive, the results can vary depending on hair type or application technique. Some also note that the treatment doesn’t completely eliminate frizz in more extreme weather conditions.
Long-Lasting Results
88%
Users love the fact that the effects of this treatment last for months, with some reporting results that last closer to 6 months. This makes it a convenient choice for anyone looking to reduce time spent styling hair. Many appreciate the longevity of smooth, frizz-free hair.
A handful of users report that the results start fading before the expected 3–6 months, particularly if they wash their hair frequently or use harsh products. Some also note that the effectiveness varies based on hair thickness and texture.
Ease of Application
85%
Several users find this treatment easy to apply, especially with the right tools and following the instructions carefully. It’s considered user-friendly by many, as it doesn’t require complicated steps or salon expertise to achieve good results at home.
A few reviewers point out that the application can be a bit time-consuming and messy, particularly for those not familiar with keratin treatments. Some also mentioned the product may not spread evenly on very thick or long hair.
Smoothness & Shine
90%
This treatment is highly praised for giving hair an incredibly smooth and shiny finish. Many users have commented on how their hair feels softer and looks healthier after use, with reduced dryness and more shine, even in normally dull hair types.
On the flip side, some users reported that while their hair felt smoother, it didn’t feel as weightless as they’d hoped. A few also mentioned that their hair felt slightly heavy or greasy the first day after application.
Suitability for Curly Hair
89%
Curly-haired users rave about how this product tames their curls while preserving some natural volume. It effectively smooths and straightens without completely flattening curls, making it a great choice for people who want more control without losing texture.
A couple of curly-haired reviewers noted that the product didn’t fully straighten their curls or that it resulted in some slight frizz after a few days. Others wished for a stronger hold, especially for tighter curls.
Scent/Fragrance
80%
20%
The fragrance is described as neutral by many users, which is ideal for those who dislike strong or overpowering smells in their hair products. It’s not too fragrant, allowing users to enjoy the results without being distracted by scent.
However, a few users found the fragrance a bit too subtle and wished for a more pleasant or noticeable scent. Some also noted that the scent didn’t last long after styling.
Hydration & Moisture
84%
Many buyers have praised how this treatment hydrates their hair, especially those with dry or damaged strands. The inclusion of moisturizing ingredients like Argan and Coconut oils leaves the hair feeling nourished and less prone to breakage.
A small number of users felt that while their hair was moisturized, it wasn’t as soft or healthy-looking as they’d hoped. Some even mentioned experiencing dryness after several weeks, particularly with frequent washing.
Packaging & Dispensing
78%
22%
The bottle is compact and easy to store, which many users appreciate, especially when it comes to traveling or organizing their beauty products. The design is straightforward and doesn’t require much effort for dispensing the product.
However, some users expressed frustration with the bottle design. They found the dispensing process a bit messy or challenging to control, especially when the product level gets low, leading to waste.
Ingredient Quality
92%
The blend of Keratin, Argan Oil, Coconut Oil, and Collagen is widely praised for nourishing and strengthening hair. Users appreciate the high-quality ingredients, which contribute to the overall effectiveness of the product without causing irritation or damage.
A few users noted that while the ingredients seem beneficial, they are sensitive to certain oils and found this treatment slightly irritating. However, this is rare and mostly reported by those with very sensitive scalps.
Value for Money
86%
Many users agree that this treatment offers excellent value for money, particularly considering the long-lasting results and the effectiveness in reducing frizz. The fact that one bottle provides up to 5 treatments makes it a good investment for those looking for a budget-friendly keratin solution.
Some users felt that the price was slightly high compared to other similar products on the market, especially considering that the results may not last for everyone. A few wished for a larger size option to make the treatment more economical.
Sensitivity/Allergy Concerns
75%
25%
For the most part, users with sensitive skin report no issues, appreciating that the product is cruelty-free and contains gentle ingredients. Some with sensitive scalps or skin conditions found it soothing and safe to use.
However, there are a few reviews from users who experienced mild irritation or sensitivity, particularly those with more delicate skin. This was more common among people who have a history of reactions to hair treatments containing oils or keratin.
Overall User Satisfaction
90%
Overall, users are extremely satisfied with this product, praising its ability to reduce frizz and make hair more manageable. The long-lasting effects, combined with the quality ingredients, make it a popular choice for those looking for salon-quality results at home.
While most users are happy, some expressed dissatisfaction with the product’s performance on very fine or thin hair, as it did not provide the same level of smoothness as on thicker, coarser hair types.

Suitable for:

This treatment is ideal for people with coarse, frizzy, or curly hair looking for a smoothing solution. It works well for those who want to reduce frizz and improve hair manageability, especially over long periods (up to 6 months). Users with damaged hair or those needing a product that controls unruly strands without constant styling will benefit from its long-lasting effects. Individuals looking for a salon-quality experience at home will also appreciate the easy application process. For example, those with curly hair seeking a more polished, smoother look will find this treatment particularly helpful.

Not suitable for:

This product may not be suitable for individuals with very fine or thin hair, as some users noted it may leave their hair feeling heavier or greasy. People with sensitive scalps or those prone to irritation may experience mild discomfort due to the inclusion of oils and keratin. Additionally, those looking for a strong, noticeable fragrance might find the neutral scent too subtle. Buyers expecting immediate or highly dramatic straightening results may also be disappointed, especially if they have very tight curls or use this treatment incorrectly. Finally, those with extremely high maintenance hair routines may find the 3–6 month longevity of results less beneficial.

Specifications

  • Size: The product comes in a 10oz (296mL) bottle, suitable for up to 5 treatments.
  • Formulation: This is a keratin-based smoothing treatment designed to reduce frizz and improve hair manageability.
  • Key Ingredients: Contains Keratin, Argan Oil, Coconut Oil, and Collagen to nourish and strengthen hair.
  • Suitability: Ideal for coarse, frizzy, and curly hair types seeking smoother, straighter hair.
  • Frizz Control: Provides long-lasting frizz reduction for up to 3–6 months after application.
  • Usage: The treatment can be applied up to 5 times with one 10oz bottle, depending on hair length and thickness.
  • Application: Salon-quality application is required for optimal results, including leaving the product in for up to 60 minutes.
  • Aftercare: It is recommended to avoid washing hair for 48 hours post-application to allow the treatment to set.
  • Hydration: Formulated with Coconut Oil to hydrate and protect hair from environmental stressors.
  • Heat Protection: Argan Oil helps protect hair from heat damage caused by styling tools.
  • Treatment Duration: Results last between 3–6 months, depending on hair care practices and environmental factors.
  • Fragrance: Has a neutral fragrance that dissipates quickly after use.
  • Cruelty-Free: The product is cruelty-free and not tested on animals.
  • Color-Treated Hair: Safe for use on color-treated hair, providing added moisture and protection.
  • Strengthening: Contains Collagen to improve hair elasticity and promote healthier hair.
  • Maintenance: For best results, use sulfate-free shampoos and conditioners after treatment.
  • Toxin-Free: Free from harsh chemicals like formaldehyde commonly found in other keratin treatments.
  • Effectiveness: Highly rated for its ability to eliminate frizz and tame unruly hair.
  • Clarifying Shampoo: Some users recommend using a clarifying shampoo prior to treatment for better results.

FAQ

To use this treatment, apply it to clean, damp hair, ensuring even coverage from root to tip. After application, leave it on for the recommended time, typically 30–60 minutes, then rinse thoroughly. For best results, avoid washing your hair for at least 48 hours post-treatment.

Yes, this Brazilian keratin treatment is ideal for coarse, frizzy, and curly hair types. It works to smooth and straighten hair while reducing frizz. However, those with very fine hair should use it cautiously as it may weigh hair down.

Yes, this treatment is safe for color-treated hair. In fact, it can help protect the hair from further damage while improving its manageability. However, it's always a good idea to do a patch test beforehand to ensure compatibility with your specific hair color.

The results of this keratin treatment typically last between 3 and 6 months, depending on your hair type and how well you maintain your hair afterward. Regular washing and exposure to humidity may affect the longevity of the results.

No, this keratin treatment has a neutral fragrance, which many users appreciate. It won't overwhelm your senses, and the scent fades quickly after application.

This treatment can be used every few months, depending on how frequently you need frizz control or hair smoothing. For best results, apply it when your hair begins to show signs of frizz or dryness.

It’s recommended not to wash your hair for at least 48 hours after the treatment. This allows the ingredients to fully set and gives you the best results in terms of smoothness and frizz control.

While the treatment is generally safe, some users with sensitive scalps may experience mild irritation. Always perform a patch test before full application, and if you notice any discomfort, rinse the product out immediately.

For best results, use a sulfate-free shampoo and conditioner to maintain the smoothness and frizz control after the treatment. You may also benefit from a deep-conditioning mask to keep your hair hydrated and healthy.

To maintain your results, avoid washing your hair with harsh shampoos, and try to limit heat styling. Regular use of nourishing hair oils or leave-in conditioners can help maintain smoothness and hydration.