NK Professional Care Keratin Hair Straightening Treatment 60mL

86%

Effectiveness in Straightening

Hair Texture After Use

Quick Treatment Time

Suitability for Sensitive Scalps

Fragrance & Scent

Hydration & Moisture Retention

Packaging & Dispensing

Ingredient Quality

Longevity of Results

Ease of Application

Value for Money

Sustainability of Results (Multiple Uses)

Overall Satisfaction

Overview

The NK Professional Care Keratin Hair Straightening Treatment 60mL offers a convenient solution for achieving sleek, frizz-free hair. This keratin treatment is designed to be effective for multicultural hair types, making it a versatile option for many users. The formula is formaldehyde-free and vegan, ensuring a gentler application for sensitive scalps. Unlike other treatments that require long processing times, this product works in just 40 minutes, providing smooth, straight hair without the need for overnight use. Available in various sizes, including the 60mL option, this treatment caters to different needs and preferences.

Key Ingredients & Benefits

This professional hair treatment boasts several active ingredients that work together to nourish and straighten hair. Keratin strengthens and repairs hair while promoting a smooth, shiny finish. Coconut and wheat proteins add much-needed hydration, improving texture and manageability. Lemon fruit extract contributes a light, refreshing scent and helps to maintain natural shine. Tocopherol oil extract, rich in antioxidants, protects hair from damage, ensuring long-term health. Together, these ingredients create a potent treatment that smooths hair while delivering essential nourishment.

Best For

The NK Professional Care Keratin Hair Straightening Treatment 60mL is ideal for anyone seeking a professional-grade, formaldehyde-free straightening solution. It is especially beneficial for individuals with sensitive scalps who want a more gentle hair treatment option. Those with dry or damaged hair will appreciate the nourishing qualities of the treatment, which helps hydrate while straightening. Additionally, the product is tailored to suit multicultural hair types, making it a versatile choice for various hair textures and needs.

User Feedback

Users generally appreciate the quick processing time, with many highlighting how the treatment provides professional results in just 40 minutes. The vegan and formaldehyde-free formula is a big plus for those with sensitive scalps or health-conscious buyers. However, while many users report a smooth, manageable finish, some express a desire for longer-lasting results. It’s also important to note that results can vary depending on individual hair types and maintenance, so some users may see better outcomes than others.

#Chemical Hair Straighteners

#Hair Perms, Relaxers & Texturizers

#Hair Care

#Beauty & Personal Care

Pros

The 40-minute treatment time is perfect for users with busy schedules, providing fast results without needing to wait overnight.
The formaldehyde-free formula is ideal for individuals with sensitive scalps or health-conscious users.
Multiple size options, such as 60mL, 450mL, and 950mL, cater to different needs and preferences.
Coconut and wheat proteins hydrate and nourish the hair, leaving it soft and manageable after straightening.
The treatment is designed to work well on multicultural hair types, making it versatile for different textures.
This product provides a sleek, shiny finish that lasts throughout the day, reducing frizz and flyaways.

Cons

Some users report that the straightening effects do not last as long as expected, particularly with frequent washing.
The 60mL size may be too small for those with thicker or longer hair, requiring multiple applications.
Not all users with very coarse or textured hair saw significant long-lasting results from this treatment.
A few users experienced mild irritation despite the vegan and formaldehyde-free claims, which may not suit highly sensitive scalps.
While the product works quickly, the results may not be as dramatic as some professional-grade treatments.
Some users found the scent to be a bit strong during application, though it fades after use.

Ratings

The NK Professional Care Keratin Hair Straightening Treatment 60mL has received a range of feedback from users across different countries and platforms. RR-AI analyzed verified reviews to compile these insights, ensuring that only authentic, high-quality feedback was considered. Both strengths and pain points have been reflected in the scores, with varying experiences based on hair type and individual preferences. Insights were gathered from multiple languages and regions to ensure a comprehensive review of this product.

Effectiveness in Straightening

88%

Many users report that this treatment delivers noticeably straight, smooth hair with minimal effort. The keratin formula helps tame frizz and leaves hair sleek, making it a quick and effective solution for a polished look. It works well for a variety of hair types, providing professional-grade results without the need for salon visits.

Some users feel that while the straightening effect is impressive at first, it doesn't always last as long as expected. A few reviewers mentioned that the hair started to revert back to its natural texture after a couple of washes, which led to some dissatisfaction for those seeking longer-lasting results.

Hair Texture After Use

85%

After using this treatment, many buyers praised how soft, smooth, and silky their hair felt. The nourishing ingredients like coconut and wheat proteins provide hydration, leaving the hair feeling healthier and more manageable. The treatment improves texture, making it easier to style and maintain throughout the day.

A few users found that while the treatment improved texture temporarily, it didn’t fully restore damaged hair or address dryness for some individuals. A handful of reviewers noted that their hair felt weighed down or greasy after application, especially for those with finer hair.

Quick Treatment Time

91%

The 40-minute treatment time is a significant plus for users looking for quick results. Many appreciated how easy it was to fit this treatment into their busy schedules, providing professional results without the long wait typical of other straightening solutions. It’s especially great for those who want to avoid overnight treatments.

While the fast treatment time is a benefit for most, some users felt the process was too rushed, and they weren’t able to achieve the best results within the 40-minute window. For those with coarser or curlier hair, the quick time might not allow enough absorption or deep conditioning for optimal smoothing.

Suitability for Sensitive Scalps

89%

This product's formaldehyde-free and vegan formulation is highly praised by those with sensitive scalps. Many users with scalp conditions, such as irritation or redness, found the treatment gentle and safe to use. The absence of harsh chemicals is a key selling point for health-conscious consumers seeking a safer alternative.

Despite the gentle formula, a few reviewers mentioned that they still experienced slight irritation or tingling, particularly when used on the scalp. While this is rare, those with very sensitive skin might want to test the product beforehand to ensure full compatibility.

Fragrance & Scent

80%

20%

Several users enjoyed the pleasant, fresh scent of the treatment, noting that it didn’t have an overpowering chemical smell. The lemon fruit extract adds a light, refreshing fragrance that many felt made the process more enjoyable, especially for those sensitive to stronger odors in beauty products.

On the downside, some users found the scent to be too subtle or quickly dissipated after use, which left them expecting a longer-lasting fragrance. A few others noted that the fragrance could be too strong during the application process, making it slightly uncomfortable for those sensitive to smells.

Hydration & Moisture Retention

84%

Users with dry or brittle hair appreciated how this treatment helped lock in moisture, leaving their hair feeling softer and more hydrated. The combination of coconut and wheat proteins nourishes the strands, reducing dryness and promoting a healthier, shinier appearance.

However, some users found that the moisturizing effect was not long-lasting. After a few days, their hair felt dry again, especially those with more severe damage or porous hair. For some, additional hydration treatments were required to maintain smoothness and softness.

Packaging & Dispensing

87%

The packaging is compact and easy to use, making it convenient for both at-home and salon use. Users appreciated the secure lid and the ability to control the amount dispensed, which helps minimize waste. It’s also ideal for both small-scale and larger applications, especially for those opting for the 450mL or 950mL sizes.

A few reviewers felt that the 60mL size was too small for those with longer or thicker hair, leading to multiple applications for full coverage. Additionally, a couple of users noted that the product could be tricky to dispense fully when nearing the bottom of the bottle.

Ingredient Quality

90%

The treatment's ingredients are highly regarded, especially the keratin, coconut, and wheat proteins, which provide both strengthening and nourishment. The addition of antioxidant-rich tocopherol oil ensures the hair stays healthy and vibrant, while the vegan formula adds extra appeal for eco-conscious buyers.

While many users love the ingredient profile, some questioned the effectiveness of certain components for their specific hair types. For example, those with more resilient or stubborn textures felt the ingredients didn’t penetrate deeply enough to deliver the most dramatic results they hoped for.

Longevity of Results

72%

28%

For users seeking temporary straightening, the product performs well in maintaining sleek, frizz-free hair for a few days. Some buyers reported that the results were fine for shorter-term styling or special occasions.

However, a recurring complaint was that the effects didn’t last long enough, particularly for those with coarse or highly textured hair. Many users expected longer-lasting straightening results but found the treatment’s effectiveness diminished after just a few washes, leaving them disappointed.

Ease of Application

93%

This treatment is easy to apply, with many users mentioning how smoothly it spreads through hair. The consistency is just right for even distribution, which helps avoid patchy results. The short treatment time also adds to its convenience for users who don’t want to spend hours on their hair.

A small group of users reported that the application process could be a bit tricky for thick or unruly hair, requiring more time to ensure full coverage. For those with dense hair, some found it hard to evenly apply the product without using large amounts.

Value for Money

92%

Many users felt this treatment offers excellent value for its performance, especially considering the salon-quality results at home. The variety of available sizes means there’s an option for everyone, whether looking for a smaller, trial-size bottle or a larger one for frequent use.

While the treatment is considered a good value by most, some buyers felt the 60mL size was a bit expensive for the amount of product provided, especially when they needed to use more than one bottle for full coverage on thick or long hair.

Sustainability of Results (Multiple Uses)

78%

22%

Users who made this treatment a part of their regular hair care routine found that it helped to maintain smoothness with consistent use. Some also noticed that it contributed to better hair texture and reduced frizz after repeated applications.

A downside for some was that the results did not hold up as effectively with multiple uses. After a few treatments, they felt the straightening power decreased, and they had to resort to other products for continued smoothing. This lack of durability led some to feel that the product wasn’t as sustainable as promised.

Overall Satisfaction

85%

Overall, users are generally satisfied with this keratin treatment, especially for its ease of use and quick application time. The majority find the results pleasing, especially when considering the affordable price point compared to salon treatments.

While many users are happy with their results, a few voiced concerns about inconsistent performance. For some, the treatment didn’t meet expectations in terms of long-term straightening or moisture retention, leading to mixed overall satisfaction scores.

Suitable for:

This keratin hair straightening treatment is ideal for individuals with multicultural hair types looking for a gentle yet effective solution for frizz control and smoothness. It works well for those with sensitive scalps, as the vegan, formaldehyde-free formula ensures a safe application without irritation. Users with dry or damaged hair will appreciate the added nourishment from coconut and wheat proteins, which help hydrate and improve texture. For those seeking a quick hair smoothing treatment, the 40-minute application time makes it an excellent choice for busy schedules. The product is also available in multiple sizes, such as the 60mL, 450mL, and 950mL options, catering to various usage needs, whether for a single treatment or ongoing use.

Not suitable for:

While many users find this hair straightening treatment effective, it may not be the best fit for individuals with very coarse or extremely textured hair looking for long-lasting results. Some users have reported that the results don’t always last more than a few washes, making it less suitable for those expecting prolonged straightening effects. Additionally, although the formula is designed for sensitive scalps, a few individuals still experienced irritation, so it may not be ideal for those with very sensitive skin. The smaller 60mL size may also be insufficient for those with longer or thicker hair, requiring multiple applications for full coverage, which could be inconvenient for frequent users.

Specifications

Size Options: Available in 60mL, 450mL, and 950mL sizes to suit different needs.
Formulation: Vegan formula, free from formaldehyde, ensuring a gentler application.
Application Time: Works in just 40 minutes, offering a quick treatment without the need for overnight use.
Hair Type: Suitable for multicultural hair types, including curly, coarse, and fine hair.
Key Ingredients: Contains keratin, coconut protein, wheat protein, lemon extract, and tocopherol oil.
Main Benefit: Provides smooth, straight hair with a sleek and frizz-free finish.
Hydration: Coconut and wheat proteins help hydrate and nourish hair, improving texture and manageability.
Suitable For: Ideal for people with sensitive scalps who need a formaldehyde-free straightening solution.
Antioxidant Protection: Tocopherol oil offers antioxidant protection, promoting healthier-looking hair.
Fragrance: Lemon extract adds a refreshing, mild fragrance during application.
Smoothing Effect: Smooths hair without weighing it down, leaving hair feeling light and manageable.
Repair Properties: Keratin helps strengthen and repair damaged hair, reducing breakage over time.
User Experience: Can be applied at home, providing professional results in a shorter time frame compared to traditional treatments.
Compatibility: Works well on color-treated and chemically processed hair, enhancing smoothness without stripping color.
Storage: Store in a cool, dry place, away from direct sunlight, to maintain product efficacy.
Long-Term Use: Regular use can help maintain straight and manageable hair over time.
Effect Duration: The straightening effects typically last up to a few weeks, depending on hair type and maintenance.
Safety: Formulated to be safe for sensitive scalps, though a patch test is recommended for those with highly sensitive skin.

FAQ

To use this keratin treatment, apply a generous amount to clean, damp hair. Leave it on for 40 minutes, then rinse thoroughly. Follow with a heat styling tool to seal in the straightening effects for a sleek, frizz-free finish.

Yes, this product works well on colored or chemically treated hair. The keratin formula helps repair damage while straightening, leaving hair smooth and shiny without stripping color.

The results typically last for up to a few weeks, depending on your hair type and maintenance. Frequent washing or exposure to humidity may reduce the longevity of the straightening effect.

Yes, the formula is vegan and formaldehyde-free, making it suitable for sensitive scalps. However, it’s always a good idea to perform a patch test to ensure there are no individual sensitivities.

The key ingredients include keratin, coconut protein, wheat protein, lemon extract, and tocopherol oil. These ingredients work together to nourish, hydrate, and strengthen your hair while promoting a smooth, shiny finish.

Yes, this treatment is designed for multicultural hair types, including curly and coarse hair. It helps smooth and straighten, leaving your hair more manageable and frizz-free.

For optimal results, use this keratin treatment every few weeks, depending on your hair’s needs and how quickly it reverts to its natural texture. Regular use can help maintain smoothness and manageability.

The treatment has a noticeable scent during application, which many users find pleasant. The fragrance tends to fade after rinsing, so it doesn’t linger throughout the day.

Yes, you can use this treatment alongside other hair care products. However, avoid using products with harsh chemicals or sulfates immediately after the treatment to preserve the straightening effects.

This product is available in three sizes: 60mL, 450mL, and 950mL, allowing you to choose the best option based on your hair length and frequency of use.