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✨ Unlock your best hair days—smooth, strong, and salon-worthy at home! 💇♀️
The BRAZILIAN STRAIGHT Hair Straightening Cream & Keratin Treatment Kit delivers professional-grade, long-lasting straightening and smoothing results for all hair types. Featuring a potent blend of hydrolyzed keratin, collagen amino acids, and Moroccan argan oil, it repairs damage while enhancing shine and manageability. This organic formula provides up to 6 months of frizz-free, silky hair with easy at-home application, including a clarifying shampoo and finishing mask for a complete salon experience.



| ASIN | B0D9C9N8N7 |
| ASIN | B0D9C9N8N7 |
| Best Sellers Rank | #238,995 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #170 in Chemical Hair Straighteners |
| Brand Name | KERATIN RESEARCH |
| Customer Reviews | 3.9 3.9 out of 5 stars (728) |
| Hair Type | Curly, Thick, Coarse, bleached, Dry, Damaged, colored |
| Item Form | Cream |
| Manufacturer | KERATIN RESEARCH |
| Manufacturer | KERATIN RESEARCH |
| Material Features | Organic, includes Moroccan Argan Oil |
| Package Dimensions | 7.52 x 5.51 x 1.85 inches; 10.93 ounces |
| Product Benefits | Straightening, Smoothing, Repairing, Conditioning, Strengthening, Adding Shine |
| Scent Name | Unscented/Neutral |
| Special Ingredients | Hydrolyzed Keratin, Collagen, Amino Acids, Moroccan Argan Oil |
| Unit Count | 8.12 Fluid Ounces |
G**I
Amazing Brazilian straightening treatment!
Uhh-MAZING!!😛✨❤️ I have 3B 3C curls and OMGGG the way my hair is LAYED and slayed let me tell you..do the salon method on the instructions leave the products in for 90 minutes I have bleached platinum at the front of my head and my hair is so silky, the shampoo that comes in as “pre wash” is not really drying the treatment was not strong at all, there were times where I got a whiff or two but I have my windows open, I would love to work with this company!! Overall FOLLOW THE INSTRUCTIONS! I do have salon quality hair tools, but I also have stubborn hair as well my hair is course the strand itself is thick I was so shocked with the amount of SHINE I had, I have not used any product since I did my hair!! I also have not even used the hair mask it came with my hair feels moisturized and I’m on 3rd day and also remember when your doing a straightening treatment on your hair you have to wrap it before bed!! Or it won’t stay straight, wrap it really good search it up on YouTube or TikTok if your not good at it, pop your doobie off and boom your hair is ready for the day again!! Lastly, my hair gets freely so so fast so the humidity has been coming back to nyc after winter and yeah it’s amazing still. No frizz whatsoever
A**R
Amazing product!
This is literally what you pay $200 in salons for. I took some time to leave a review because I wanted to make sure it really did work. I've ordered the product twice and been using this for 1 year. My hair is long (just above buttocks), thick and naturally very curly. I used to pay salons every 6 months to get keratin treatment. This product has the same end result as salons, literally. It lasts about 3 months for my hair, does mildly reduce curls, but leaves hair super manageable, shiny and with way less frizz. Definitely recommend. The product comes with instructions that includes the address to a website which demos how to apply and use the product. I definitely recommend watching the video before using the product. I used safety masks, glasses, gloves and an open space to circulate the air because the product is very irritant to the eyes once you start blowdrying the hair. It also has a strong chemical scent, but after washing the hair as advised (2-3 days after) the scent goes away. The end result is excellent!
T**.
IT WILL MAKE YOUR HAIR FALL OUT
DO NOT USE THIS PRODUCT. IT WILL MAKE YOUR HAIR FALL OUT. The instructions are inconsistent and confusing, for one. I followed the instructions on the bottles but the website has other instructions. Also they sent 2 extra bottles that had no instructions? DO NOT BUY THIS, YOUR HAIR WILL FALL OUT. I have thick hair and since I used this product I've lost LITERALLY half my hair. Every time I've brushed my hair since I did this treatment 2 months ago I have lost a massive amount of hair, to the point of detriment and anxiety. DO NOT BUY THIS
W**S
Look up the correct directions before beginning the process.
This product worked for me and made my hair smooth and sleek after applying it correctly. However, I had two problems. 1) the directions were wrong- do not rinse before you dry and flat iron, after applying the product. It will not work, I had to wash and redo the process. I knew this because I have had treatments done several times before in a salon. 2) it made my hair (which is a mix of blonde and grey) purple, which did not rinse out. Look up the proper directions online and spot test of you have white or light blonde hair.
D**.
I love it
It is a very good excellent product. In the way I brush my teeth. And the softness that is felt
S**.
Works ok
I think I need to try a stronger formula next time. This took my super curly hair so very wavy with still some frizz. Not optimal. Definite improvement but would like more results especially with the frizz.
J**.
Great cost effective keratin treatment
I have very long, thick curly, frizzy hair. The rainy weather makes it worst- humidity frizzes my hair like nothing else. I have used this product 3 times now, and let me tell u it works! There are a few things I’ve learned, here you go: 1) use a clarifying shampoo prior, I have used a different one than what comes with the lot & it worked just fine. Just make sure it is sulfate free. 2) Blow dry hair all the way dry- don’t air dry! Cause it’s very important to apply the product to hair that is straight and the cuticle somewhat smooth. This will help lock in the application. Flat ironing during this step is not necessary. 3) during the solution application process, wear mask & maybe some glasses, cause the fumes are serious! My eyes burn each time but not as much as with glasses on. The mask helps you not breath in the chemicals. 4) Use a fine tooth comb to make sure all the product is evenly distributed throughout your hair. This also helps when blow drying your hair after- it won’t be as tangled. I normally wait to wash my hair 2-3 days after. 3 is the best, but if u have to do something & need clean hair 2 will suffice. This usually keeps my hair smooth and frizz free (but still curly, just not as tight) for about 3 months. I think that’s a decent amount of time considering the price! Also give yourself the afternoon to do this- dont rush it.
T**Y
Brazilian Straight
Love this kit. I have 4C hair! I have not used any chemical in my hair over 10 years. I decided to try this product and was very pleased with the results! This product keeps my hair straight and no frizz for at least 3 months. Great product for natural hair. I have used this twice and will be purchasing again. Pictures of hair are during the summer months!!
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