KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz

KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz — image 1
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KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz — image 4
KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz — image 5
KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz — image 6
85%
88%
Effectiveness & Results
91%
Ease of Application
82%
Frizz Control Duration
90%
Smoothing & Shine
94%
Safety (Formaldehyde-Free)
78%
Packaging & Dispensing
96%
Vegan & Cruelty-Free Claims
85%
Texture & Feel
89%
Value for Money
70%
Fragrance
80%
Longevity of Results
74%
Aftercare Requirement
More

Overview

The KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz is a professional-grade treatment that delivers salon-quality results in the comfort of your own home. This keratin treatment is formaldehyde-free and suitable for all hair types, helping to tame unruly hair and reduce frizz. With a 12-week long-lasting effect, it not only adds shine but also enhances the manageability of hair, leaving it smooth and silky. The treatment is designed to be easy to apply, providing a fuss-free solution for anyone looking to achieve straight, smooth hair without the hassle of salon visits.

Key Ingredients & Benefits

This smoothing system is infused with keratin, a protein that helps repair and restore damaged hair caused by environmental stress, heat styling, or chemical treatments. Its rich, nourishing formula works to smooth out frizz and give hair a sleek, straight appearance. Moreover, it’s free from parabens and formaldehyde, making it a safer option for those who want a regular smoothing treatment without exposing their hair to harmful chemicals. The result is hair that looks glossy, soft, and manageable for weeks after treatment.

Best For

This hair treatment is ideal for individuals with frizzy, unruly, or damaged hair, who are seeking a more manageable, smoother style. It’s also a great option for those who prefer at-home treatments over salon visits. If you’re looking for a vegan and cruelty-free product that’s free of harsh chemicals like parabens and formaldehyde, this keratin treatment is an excellent choice. The system’s ease of use and the long-lasting results make it perfect for busy individuals wanting to maintain smooth, sleek hair with minimal effort.

User Feedback

Users generally praise this treatment for its immediate effects, with many noting that their hair feels smoother and shinier right after the first use. Customers appreciate that this treatment is easy to apply and doesn’t require long waiting times or complicated steps. However, some reviews mention that the results may fade faster if proper aftercare is not followed. A few users also note that the effect tends to diminish quicker for those with very curly or thick hair, suggesting the need for more frequent treatments to maintain the smoothness.

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

Pros

  • This smoothing system reduces frizz and adds shine from the first use.
  • Works well for people with frizzy or damaged hair, restoring a smoother appearance.
  • The treatment lasts up to 12 weeks, providing long-term frizz control.
  • No waiting time is required after application, making it convenient for busy users.
  • It is free from harmful chemicals like formaldehyde and parabens, ensuring safer use.
  • The product is vegan and cruelty-free, making it suitable for ethical consumers.

Cons

  • Some users report that the effects fade quicker than expected without proper aftercare.
  • Those with very coarse or curly hair may find the results less effective.
  • The product has a mild chemical scent that may be off-putting to sensitive noses.
  • It may not work well in extremely humid conditions, where frizz control is less effective.
  • Users with very fine hair might find the treatment too heavy, weighing down their strands.
  • Some customers noted that the results didn’t last as long as advertised if not cared for properly.

Ratings

After analyzing verified user reviews from various countries, languages, and platforms, we've gathered authentic feedback on the KCB Professional Smooth System 2-Step Brazilian Keratin Hair Treatment 3.38oz. This product's scores reflect both the strengths and pain points shared by real users. Spam, bot/incentivized, and low-quality reviews were excluded to ensure accuracy and reliability. The following categories highlight key aspects of the product’s performance, from effectiveness to usability, and offer a comprehensive view of customer satisfaction worldwide.

Effectiveness & Results
88%
Many users report that this treatment significantly reduces frizz and adds noticeable shine after the first use. It leaves hair feeling smoother and more manageable, making it easier to style. Several customers also appreciate the long-lasting results, with hair staying frizz-free for up to 12 weeks.
A few reviewers noted that the effects didn’t last as long as expected, with some experiencing the frizz returning sooner than 12 weeks. Others mentioned that the treatment may not be as effective on extremely curly or coarse hair, requiring additional products or treatments for optimal results.
Ease of Application
91%
Users rave about how easy it is to apply this keratin treatment at home. The two-step system is straightforward, with no complicated processes or waiting time. Many appreciate that there are no strict post-treatment restrictions, allowing them to go about their day without hassle.
While most find it easy to use, some reported that the instructions were not detailed enough, leading to confusion during application. Additionally, a few people found the product’s consistency a bit challenging to work with, especially for those with longer or thicker hair.
Frizz Control Duration
82%
18%
The treatment’s ability to keep hair frizz-free for up to 12 weeks is highly praised by many users, especially those living in humid climates. Users love that they don’t need to worry about frequent touch-ups, as the frizz control is consistent and reliable throughout its duration.
Some buyers mentioned that the frizz control didn’t last as long as advertised, with the effects fading after only a few weeks. A few also noted that the treatment is more effective on some hair types than others, leaving them disappointed with the overall results.
Smoothing & Shine
90%
Customers report that this smoothing system transforms dull, lifeless hair into a silky, shiny mane. It effectively tames flyaways and frizz, resulting in a sleek, glossy finish. Many users find their hair feels healthier and more nourished after using this treatment.
A small number of users felt that the product left their hair too greasy or weighed down, especially if used too frequently. Additionally, a few reviewers felt that while the product added shine, it did not completely smooth out their hair, especially those with very thick or coarse textures.
Safety (Formaldehyde-Free)
94%
The fact that this treatment is free from harmful chemicals like formaldehyde and parabens is a major selling point for many users. Those with sensitive scalps or concerns about harsh ingredients feel reassured knowing they are using a safer product without compromising on quality or results.
Some users pointed out that while the product is free from formaldehyde, it may still have a strong chemical scent during application, which can be off-putting for those sensitive to fragrances. A few also felt that the lack of certain chemicals may limit the treatment’s overall effectiveness compared to salon-grade options.
Packaging & Dispensing
78%
22%
The packaging is compact and convenient, making it easy to store and travel with. Many users find the two-step system convenient, and the product is simple to dispense without much mess.
Several users expressed dissatisfaction with the packaging, mentioning that the bottles were small and didn’t provide enough product for longer hair. Some also complained that the packaging could be difficult to open or prone to leakage, especially when traveling.
Vegan & Cruelty-Free Claims
96%
For users looking for ethical and cruelty-free beauty products, this hair treatment delivers. It is a major plus for those who prioritize vegan products, making it an appealing choice for people committed to cruelty-free and environmentally conscious beauty routines.
While most appreciate the vegan and cruelty-free formulation, a few users felt that this sometimes compromises the treatment’s effectiveness when compared to more traditional, non-vegan alternatives that use stronger active ingredients.
Texture & Feel
85%
The treatment’s texture is smooth and easy to apply, allowing it to glide through the hair without being too thick or difficult to work with. Many users mention that it doesn’t leave their hair feeling sticky or crunchy afterward.
Some users found the treatment too heavy for their fine or thin hair, which left their hair feeling weighed down or greasy. Others felt that the product left their hair too soft, causing it to lose volume or body.
Value for Money
89%
Many users find this product to be a good value for the results it provides. For an at-home keratin treatment, it’s affordable compared to salon visits, and the long-lasting effects make it worthwhile for those seeking smooth, frizz-free hair over several weeks.
While most agree that it’s a good deal, some customers felt the price was a bit high given the small amount of product in the bottle. A few also felt that additional treatments were needed for hair types with severe frizz or damage, making it less economical for some.
Fragrance
70%
30%
The neutral, unscented formula is ideal for those sensitive to fragrances or those who prefer not to have overpowering scents in their hair care products. It’s a plus for users with allergies or aversions to strong smells.
While the fragrance is neutral, some users found the smell of the product during application to be slightly unpleasant, particularly when it mixed with the heat from blow-drying. A few also mentioned that they wished there was a more pleasant or refreshing scent to enhance the experience.
Longevity of Results
80%
20%
Users appreciate that the treatment helps maintain smooth, manageable hair for weeks, which is ideal for busy individuals who don’t want to deal with daily frizz control. Many report that it provides noticeable results for a good stretch of time, typically around 6-8 weeks.
Not all users experienced the full 12-week duration. Some reported that the effects faded faster, particularly in areas with high humidity or frequent washing. A few buyers found that the treatment’s effectiveness diminished after a few weeks, requiring reapplication sooner than expected.
Aftercare Requirement
74%
26%
The treatment requires minimal aftercare, and users appreciate that it doesn’t come with strict post-treatment rules. Many like the low-maintenance aspect, as they don’t need to adjust their routines significantly.
A few users noted that the results weren’t as long-lasting without proper aftercare, including using sulfate-free shampoos and avoiding excessive heat. Some felt that the product’s longevity would improve with more detailed instructions on maintaining the smoothness.

Suitable for:

This product is ideal for individuals looking for an at-home solution to manage frizz and achieve long-lasting smoothness. Those with frizzy, unruly, or damaged hair will appreciate its ability to restore a sleek, straight look while adding shine. It’s also a great choice for people who want a formaldehyde-free, vegan, and cruelty-free keratin treatment without the need for salon visits. Additionally, users who prioritize convenience will find the easy, no-wait application and long-lasting results (up to 12 weeks) appealing. Whether you're dealing with frizz in humid climates or need a smooth finish for professional appearances, this treatment offers reliable, effective results for a wide range of hair types.

Not suitable for:

This keratin treatment may not be the best fit for individuals with very coarse or curly hair, as some users report the results may not last as long or provide the same level of smoothness as expected. Those who prefer stronger, more immediate effects or expect salon-quality results without additional maintenance may find this product lacking. It’s also not ideal for people who are sensitive to product scents, as some reviewers mentioned a mild chemical smell during application. Users expecting consistent results without proper aftercare might be disappointed, as the effects can fade quickly without sulfate-free shampoos or gentle handling. Additionally, individuals with very fine or thin hair might find the product too heavy, causing hair to feel weighed down or greasy.

Specifications

  • Size: The product comes in a 3.38oz (100mL) bottle, providing enough product for multiple applications.
  • Formulation: This treatment is a 2-step system designed to provide salon-quality results at home.
  • Hair Type Compatibility: It is formulated for all hair types, including fine, thick, curly, and color-treated hair.
  • Key Ingredient: The main active ingredient is keratin, which helps repair damaged hair and restore smoothness.
  • Frizz Control Duration: The treatment provides up to 12 weeks of frizz control and smoothness with proper aftercare.
  • Chemical-Free: The treatment is free from harmful chemicals like formaldehyde and parabens, making it a safer option for regular use.
  • Vegan: This product is vegan, containing no animal-derived ingredients.
  • Cruelty-Free: It is cruelty-free, meaning it has not been tested on animals.
  • Fragrance: The treatment has a neutral, unscented fragrance, making it suitable for those sensitive to strong scents.
  • Application Ease: This keratin treatment is easy to apply and requires no waiting time after the second step.
  • Effect: It helps smooth hair, tame frizz, and restore a shiny, straight appearance.
  • Free from Sulfates: This product does not contain sulfates, making it gentler on the hair and scalp.
  • Aftercare Requirements: Proper aftercare is essential to prolong the smoothing effects, including avoiding sulfate-based shampoos.
  • Usage Frequency: The treatment can be applied as needed, typically every 10–12 weeks to maintain results.
  • Target Audience: This product is ideal for people with frizzy, unruly, or damaged hair looking for long-lasting smoothness.
  • Application Method: Apply the product to damp hair, leave it for a specified time, rinse, then follow with the second step for optimal results.
  • Hair Care Benefits: It helps repair hair damaged by heat styling, chemical treatments, and environmental stressors.
  • Safety: It is free from formaldehyde, making it a safer alternative to traditional keratin treatments that may contain this ingredient.
  • Results: Most users report smoother, shinier hair with reduced frizz after the first use, with gradual improvement over time.

FAQ

To use this treatment, first apply Step 1 to clean, damp hair and leave it in for 10 minutes. Then, rinse thoroughly and follow with Step 2, which you leave in without rinsing. The treatment requires no waiting time after application, making it convenient for users on the go.

Yes, this keratin treatment is formulated to be safe and effective for all hair types, including fine, thick, curly, and color-treated hair. It helps smooth frizz and restore shine, regardless of your hair texture.

The results of this treatment can last up to 12 weeks, depending on hair type and aftercare. Regular maintenance and proper hair care will help extend the smooth, frizz-free effect for as long as possible.

Yes, this product is safe for color-treated hair and can actually help restore the smoothness and shine that may be lost during the coloring process. However, make sure to follow the aftercare instructions to maintain the results.

The product has a neutral, unscented fragrance, making it suitable for users sensitive to strong smells. The mild scent dissipates quickly after application, so it shouldn't linger in your hair.

This treatment is free from parabens and formaldehyde, which makes it a safer option for those with sensitive skin or scalp. However, if you have any allergies or sensitivities to hair products, it is recommended to perform a patch test before use.

After using the treatment, avoid washing your hair for at least 48 hours to allow the smoothing effect to set. Use sulfate-free shampoos and conditioners to maintain the results and minimize frizz.

Yes, this treatment is both vegan and cruelty-free. It is a great option for users who prefer ethical beauty products free from animal testing and animal-derived ingredients.

While this treatment works well in most conditions, some users have noted that in very humid environments, the frizz control may not be as effective. If you're in a particularly damp or hot climate, additional frizz control products may be needed.

This treatment is generally effective for all hair types, but users with extremely coarse or very curly hair may not experience the same level of smoothing results. It may not fully straighten very tight curls without additional styling or heat application.