Updated:26 October 2026
Rank 1-21 of the best Keratin Hair Treatments
Our recommendation Price Customer rating
1. Comparison winner
Cocochoco Keratin Hair Treatment 250ml CC_PURE250
Cocochoco Keratin Hair Treatment 250ml CC_PURE250
Check delivery time
free shipping
  • smoothing effect with extra gleam and softness
  • long-lasting results
  • apply evenly to damaged hair, wait for the indicated time, then rinse thoroughly
Our rating
9,8
very good
NYK1 Genuine Brazilian Keratin Hair Treatment Kit with Aftercare Set
NYK1 Genuine Brazilian Keratin Hair Treatment Kit with Aftercare Set
Available immediately
free shipping
  • a smoothing effect that straightens hair and reduces frizz for a sleek, conditioned finish
  • an application time of two hours to achieve the smoothing effect
  • results last up to three to five months
Our rating
9,6
very good
3. Best value
Brazilian Afro Smoothing System Texture Release 3x120ml Set – Hair Straightening & Curl Release Treatment (Vegan, Formaldehyde-Free)
Brazilian Afro Smoothing System Texture Release 3x120ml Set – Hair Straightening & Curl Release Treatment (Vegan, Formaldehyde-Free)
Available immediately
free shipping
  • Glättungseffekt realigns the hair cuticles and loosens curls to create a smoother, straighter finish for curly and kinky hair
  • Haltbarkeit provides lasting smoothing and shine for colour-treated hair
  • Haarverträglichkeit suitable for textured afro hair types 4A, 4B and 4C with a formaldehyde-free and gentle formula
Our rating
9,6
very good
50+ purchases last month
4. Bestseller
KERATIN RESEARCH Brazilian Keratin Hair Treatment 120ml x2
KERATIN RESEARCH Brazilian Keratin Hair Treatment 120ml x2
Available immediately
free shipping
  • straightens and smooths hair instantly with visible results
  • results last between 4 to 6 months
  • apply following the written instructions for best results
Our rating
9,6
very good
50+ purchases last month
Brazilian Keratin Straightening Treatment Kit (Standard)
Brazilian Keratin Straightening Treatment Kit (Standard)
Available immediately
free shipping
  • straightens and smooths the hair for a sleek finish
  • the straightening and smoothing results last four to six months
  • easy to use with clear instructions for applying the treatment to the hair
Our rating
9,6
very good
COCOCHOCO GOLD Hair Straightening Keratin Treatment 1000ml
COCOCHOCO GOLD Hair Straightening Keratin Treatment 1000ml
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free shipping
  • smooths and straightens hair
  • treatment lasts up to 3 months
  • application time ranges from 1.5 to 3 hours depending on hair length and thickness
Our rating
9,6
very good
100+ purchases last month
Moroccan Keratin Hair Treatment Set 120ml x4
Moroccan Keratin Hair Treatment Set 120ml x4
Available immediately
free shipping
  • provides a straightening and smoothing effect that lasts for 3 to 7 months
  • application time is between 90 to 150 minutes depending on hair length and skill level
  • results last for up to 7 months
Our rating
9,6
very good
Brazilian Straight Keratin Treatment Kit
Brazilian Straight Keratin Treatment Kit
Available immediately
free shipping
  • Leaves hair straighter, smoother, and silkier for easy styling
  • Effects last 3 to 6 months
  • Use salt and sulfate-free shampoo and conditioner for aftercare to maintain results
Our rating
9,5
very good
Kativa Keratin Brazilian Straightening Kit - Vegetable Keratin, Anti-Frizz Smoothing (Formaldehyde/Sulfate Free) - Lasts Up to 12 Weeks
Kativa Keratin Brazilian Straightening Kit - Vegetable Keratin, Anti-Frizz Smoothing (Formaldehyde/Sulfate Free) - Lasts Up to 12 Weeks
Available immediately
free shipping
  • smooths hair for up to 12 weeks leaving it softer and more manageable
  • lasting smoothing effect for up to 12 weeks
  • includes a three step routine with preparatory shampoo deep mask and conditioner to prepare the hair, smooth it and protect it during the straightening treatment
Our rating
9,5
very good
Nanobeauty Keratin Hair Straightening Kit 150ml
Nanobeauty Keratin Hair Straightening Kit 150ml
Available immediately
free shipping
  • makes hair straight, smooth, shiny, and glossy without permanently altering hair structure
  • eliminates frizz and improves hair manageability
  • protects hair from thermal heat and environmental pollutant damage
Our rating
9,5
very good
50+ purchases last month
Be Natural Brazilian Keratimask Straightening Kit
Be Natural Brazilian Keratimask Straightening Kit
Available immediately
free shipping
  • reduces frizz by repairing the hair fibre, leaving hair smooth without needing flat ironing
  • lasts up to 12 weeks for visible results
  • easy and safe home use following included instructions
Our rating
9,5
very good
50+ purchases last month
KATIVA Keratin Brazilian Straightening Hair Treatment, Version 2016
KATIVA Keratin Brazilian Straightening Hair Treatment, Version 2016
Available immediately
free shipping
  • smoothing effect a treatment that straightens hair, reduces frizz and volume for a smooth, shiny finish
  • application time the smoothing mask should be left on the hair for 30 minutes
  • durability the effect can last up to 10 to 12 weeks depending on hair type and care
Our rating
9,4
good
50+ purchases last month
Cocochoco Professional Keratin Kit - Gold
Cocochoco Professional Keratin Kit - Gold
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free shipping
  • provides a hair-smoothing effect for easier styling
  • treatment lasts for the recommended application time
  • retains results for an extended period
Our rating
9,3
good
100+ purchases last month
Brazilian Keratin Treatment Kit 100ml
Brazilian Keratin Treatment Kit 100ml
Available immediately
free shipping
  • Keratin treatment for straighter, smoother and silkier hair
  • Results last 3 to 6 months
  • Apply to dry, sectioned hair and leave for 30 minutes before using heat to seal
Our rating
9,3
good
100+ purchases last month
SUNATORIA Keratin Hair Mask 8.5 fl oz - Hydrolysed Keratin, Hyaluronic Acid, Argan Oil, Collagen - Sulfate- and Paraben-Free
SUNATORIA Keratin Hair Mask 8.5 fl oz - Hydrolysed Keratin, Hyaluronic Acid, Argan Oil, Collagen - Sulfate- and Paraben-Free
Available immediately
free shipping
  • a smoothing effect that makes hair feel softer and reduces frizz, giving a silkier and shinier finish from the first use
  • suitable for straight, wavy, curly and coily hair, including colour-treated and heat-styled hair, and free from formaldehyde, sulphates, mineral oil, phthalates, PEGs and artificial colourants
  • the formula combines hydrolysed keratin with collagen and hyaluronic acid to help condition dry, brittle lengths and restore moisture
Our rating
9,3
good
90 MINUTES Brazilian Keratin Hair Treatment
90 MINUTES Brazilian Keratin Hair Treatment
Available immediately
free shipping
  • smooths and straightens hair with long-term results for 3-6 months
  • treatment duration is approximately 90 minutes offering instant results
  • provides soft, elastic, and flexible hair with vibrant shine
Our rating
9,1
good
Kativa Brazilian Straightening Kit
Kativa Brazilian Straightening Kit
Available immediately
free shipping
  • leaves hair smooth, moisturised, shiny and silky
  • application time is as directed in the kit
  • results lasting up to 12 weeks
Our rating
9,1
good
Kativa Brazilian Keratin Straightening Treatment with Hyaluronic Acid Serum (At-Home)
Kativa Brazilian Keratin Straightening Treatment with Hyaluronic Acid Serum (At-Home)
Available immediately
free shipping
  • smoothing effect: controls frizz and leaves hair soft, shiny and revitalised
  • durability: offers lasting protection and keeps the reconstruction benefits in the hair after each use
  • usage instructions: check hair health and condition, and if not healthy perform a keratin treatment before use; suitable for all hair types including dyed, straightened or highlighted
Our rating
9,1
good
200+ purchases last month
Cocochoco Professional Pure Brazilian Keratin Hair Treatment 100ml Blue
Cocochoco Professional Pure Brazilian Keratin Hair Treatment 100ml Blue
Available immediately
free shipping
  • smoothing effect: helps hair look smoother and reduces frizz
  • application time: leave on the hair for about 15 minutes
  • durability: provides shine and softness that last up to 15 weeks
Our rating
9,0
good
200+ purchases last month
KATIVA Brazilian Keratin Straightening Kit
KATIVA Brazilian Keratin Straightening Kit
Available immediately
free shipping
  • Smoothing effect: provides a smoother, straighter look with reduced frizz
  • Application time: leave the straightening mask on hair for 15 minutes before rinsing and continuing with the routine
  • Application instructions: ensure hair is clean and completely dry before applying the product, divide hair into sections, apply from root to tip, then dry and thoroughly straighten in small sections at 200–215 °C; use 6 to 12 passes depending on hair type; after cooling for 5 minutes, rinse and condition
Our rating
9,0
good
500+ purchases last month
COCOCHOCO Gold 24k Keratin Treatment F100ml
COCOCHOCO Gold 24k Keratin Treatment F100ml
Available immediately
free shipping
  • straightens hair while maintaining its natural texture
  • apply for 15-20 minutes
  • suitable for all hair types
Our rating
8,9
good
900+ purchases last month

Similar Keratin Hair Treatment comparisons

Keratin Hair Treatments buying guide: How to choose the right product from the above Keratin Hair Treatments test or comparison

Understanding Keratin Hair Treatment: What It Is and How It Works

What Is Keratin and Its Role in Hair?

Keratin is a fibrous protein that forms the structure of your hair, as well as your skin and nails. It contributes to hair strength and resilience, and it’s essential for maintaining healthy, vibrant locks. When we talk about keratin hair treatments, we are referring to processes that infuse this protein into the hair strands, which can be beneficial for those dealing with frizz, damage, or dryness. The treatment usually involves applying a keratin solution to the hair, followed by heat to help bond the keratin with the hair shaft, resulting in smoother and shinier hair.

How Does the Treatment Process Work?

During a keratin treatment, the stylist will wash your hair to remove any product buildup, then apply the keratin solution thoroughly. This step is crucial, as it ensures that every strand is coated. After application, heat from a flat iron is used to seal the keratin into the hair, which can take several hours, depending on the hair type and length. The result is a straighter, more manageable look that can last for several weeks. This process works particularly well for those with curly or wavy hair, turning unruly tresses into sleek, straight styles.

Key Benefits of Choosing Keratin for Your Hair

Say Goodbye to Frizz

One of the most immediate benefits of keratin treatments is the dramatic reduction in frizz. This is particularly advantageous during humid months when frizzy hair can be a common issue. By smoothing the hair cuticle, keratin treatments help keep hair looking polished and well-groomed, which can save you time styling your hair each morning.

Enhanced Shine and Smoothness

Keratin-infused hair tends to reflect light better than untreated hair, which means you can enjoy a beautiful, glossy finish. The treatment smooths the hair shaft, resulting in a soft and silky texture. This can elevate your overall look, making your hair healthier and more vibrant.

Reduced Styling Time

If we factor in the time spent daily on styling, keratin treatments can be a game changer. With less frizz and smoother strands, many find they spend less time on their hair in the mornings. Just a few minutes with a brush or a quick pass of the straightener can have your hair looking salon-fresh.

Choosing the Right Type of Keratin Treatment for Your Hair Type

Identifying Your Hair Type

Before selecting a keratin treatment, it’s important to assess your hair type. Is your hair straight, wavy, curly, or coily? Understanding your hair’s natural texture will guide you to the most suitable product. For example, if you have coarse, curly hair, you might benefit from a more intensive treatment compared to someone with fine, straight hair.

Different Treatment Formulations

There are several formulations of keratin treatments available. Some may include formaldehyde, while others are formaldehyde-free. For those sensitive to chemicals or who have a preference for more natural products, it’s advisable to choose a formaldehyde-free option. Always consult with your stylist about which treatment aligns best with your specific hair needs and expectations.

What to Expect Before, During, and After the Treatment

The Pre-Treatment Consultation

Before your keratin treatment, having a consultation with your stylist is essential. They will discuss your hair goals, assess your hair type, and determine the best treatment for you. It’s the perfect time to ask questions about the process, and what kind of results you can realistically expect.

The Treatment Experience

During the treatment, expect to spend a few hours in the salon. Depending on your hair length and thickness, the stylist will apply the keratin solution and then use a flat iron to lock it in. This process can feel a bit warm due to the use of heat, but it shouldn’t be uncomfortable. Keep in mind that a thorough and well-executed treatment can result in stunning outcomes.

Post-Treatment Care

After your treatment, you will need to follow specific care guidelines to maintain the results. Most stylists recommend waiting at least 72 hours before washing your hair to let the keratin bond properly. It’s also important to use sulfate-free shampoos and gentle hair products moving forward to help preserve the treatment.

Tips for Maintaining Your Keratin-treated Hair for Long-lasting Results

Use the Right Hair Products

Investing in high-quality, sulfate-free shampoos and conditioners is critical for preserving your keratin treatment. These products are designed to cleanse your hair without stripping away the keratin, helping to maintain that shiny, sleek look for as long as possible. Avoiding products with harsh chemicals can make a significant difference in the longevity of your treatment.

Limit Heat Styling Tools

While keratin treatments can make your hair more resistant to styling damage, it’s still essential to limit the use of heat styling tools. Try to embrace your natural style a few days a week to give your hair a break. When you do use heat, applying a heat protectant spray can help safeguard your hair from thermal damage.

Regular Maintenance Appointments

We recommend scheduling follow-up appointments every few months to maintain that salon-fresh look. Regular maintenance will ensure that your keratin treatment continues to provide smoothness and shine, allowing you to enjoy the benefits for extended periods.

Table of contents
  1. Understanding Keratin Hair Treatment: What It Is and How It Works
  2. Key Benefits of Choosing Keratin for Your Hair
  3. Choosing the Right Type of Keratin Treatment for Your Hair Type
  4. What to Expect Before, During, and After the Treatment
  5. Tips for Maintaining Your Keratin-treated Hair for Long-lasting Results

Overview

1. Comparison winner
Cocochoco Keratin Hair Treatment 250ml CC_PURE250
Our rating
9,8
very good
Cocochoco Keratin Hair Treatment 250ml CC_PURE250Check delivery time
NYK1 Genuine Brazilian Keratin Hair Treatment Kit with Aftercare Set
Our rating
9,6
very good
NYK1 Genuine Brazilian Keratin Hair Treatment Kit with Aftercare SetAvailable immediately
3. Best value
Brazilian Afro Smoothing System Texture Release 3x120ml Set – Hair Straightening & Curl Release Treatment (Vegan, Formaldehyde-Free)
Our rating
9,6
very good
Brazilian Afro Smoothing System Texture Release 3x120ml Set – Hair Straightening & Curl Release Treatment (Vegan, Formaldehyde-Free)Available immediately
4. Bestseller
KERATIN RESEARCH Brazilian Keratin Hair Treatment 120ml x2
Our rating
9,6
very good
KERATIN RESEARCH Brazilian Keratin Hair Treatment 120ml x2Available immediately
Brazilian Keratin Straightening Treatment Kit (Standard)
Our rating
9,6
very good
Brazilian Keratin Straightening Treatment Kit (Standard)Available immediately
COCOCHOCO GOLD Hair Straightening Keratin Treatment 1000ml
Our rating
9,6
very good
COCOCHOCO GOLD Hair Straightening Keratin Treatment 1000mlCheck delivery time
Moroccan Keratin Hair Treatment Set 120ml x4
Our rating
9,6
very good
Moroccan Keratin Hair Treatment Set 120ml x4Available immediately
Brazilian Straight Keratin Treatment Kit
Our rating
9,5
very good
Brazilian Straight Keratin Treatment KitAvailable immediately
Our product comparisons are:
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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