Kristin Ess The One 12-in-1 Leave in Conditioner Primer with Heat Protection up to 450°F - 5 fl oz
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Highly rated
$8.39($0.99/fluid ounce)
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4.2 out of 5 stars with 1200 ratings
$14.99
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4.5 out of 5 stars with 472 ratings
$7.99
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4.4 out of 5 stars with 101 ratings
$19.99($5.00/fluid ounce)
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4.9 out of 5 stars with 8 ratings
$8.99
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4.5 out of 5 stars with 3645 ratings
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4.5 out of 5 stars with 603 ratings
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4.5 out of 5 stars with 472 ratings
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4.6 out of 5 stars with 242 reviews
5 out of 5 stars
28 February, 2026
originally posted on influenster.com
Does it all!
[This review was collected as part of a promotion.] This is now my GO TO product it’s that good! I mean, being twelve in one will do that - it replaces so much! You can see my natural hair and how it really smoothes it. It’s so versatile and it smells great too.
3 out of 5 stars
28 February, 2026
originally posted on influenster.com
Soft moisturized hair
[This review was collected as part of a promotion.] This product has left my hair feeling so soft. Easy to apply. Doesn’t makes hair to greasy and still helps with the frizz. My hair has never felt so good. It absorbs perfectly, never leaving my hair feeling dry. I tried to use it once every two weeks.
5 out of 5 stars
27 February, 2026
originally posted on influenster.com
LOVE THIS!
[This review was collected as part of a promotion.] I have been using this leave in for about a month and it's worked so well. My hair is shiny, the scent is subtle and I LOVE that its a spray in stead of a pump/lotion. The consistency is light so there is no risk of weighing hair down.
4 out of 5 stars
15 February, 2026
originally posted on influenster.com
Must try
[This review was collected as part of a promotion.] Kristin Ess Hair the one 12 in 1 leave in primer smells amazing and the packaging is super pretty and aesthetically pleasing. I would definitely re-purchase when finished.
5 out of 5 stars
7 February, 2026
originally posted on influenster.com
12-IN-1
[This review was collected as part of a promotion.] First of all the packaging is a cute pink color and has standard spray nozzle. I applied the primer before I styled my hair to protect my hair from the heat. The scent is very subtle. You can see in my picture on the side with the primer is more smooth, shiny, and less frizzy. Also a plus for being cruelty free, vegan, and free from many other chem.
5 out of 5 stars
3 February, 2026
originally posted on influenster.com
Works
[This review was collected as part of a promotion.] I have to use lots of detangler and lots of leave and conditioners with my little girl who has really thin fine long hair and this helps. Keep it tangle free for days. Use it once when it’s wet, comb it out dry it or let it dry and the brush eases through her hair for several days.
5 out of 5 stars
28 January, 2026
originally posted on influenster.com
Sums it up
[This review was collected as part of a promotion.] I’ve been really enjoying the Kristin Ess 12 in one Hair Primer. It makes my hair feel noticeably softer, smoother, and easier to manage, especially after styling. I like how lightweight it feels while still providing good hydration and frizz control without weighing my hair down. It also helps with detangling and leaves my hair looking healthier and more polished overall. While it’s not a miracle product, it definitely does what it claims and has earned a regular spot in my routine. A solid, reliable product that delivers great results.
5 out of 5 stars
27 January, 2026
originally posted on influenster.com
Good Spray to use Before Blow Dry
[This review was collected as part of a promotion.] This is a good affordable spray that’s easy to use and good to use on damp hair before blow drying. It has multiple benefits, but the main ones I look for are heat protectant for 400-450 degrees which this has, great smell, and anti frizz properties. This also makes your hair shinier, and the spray does spray in a broad range so it’s easy to quickly spray all over your hair. It didn’t make my hair super shiny but i think it’s always good to use products like this before blow drying to make your hair less frizzy, moisturize it, and protect it from heat. The smell is really nice and kind of floral, if you ever tried Kristen Ess shampoo in the same color packaging, it smells just like that.
4 out of 5 stars
27 January, 2026
originally posted on influenster.com
Nice, but not required
[This review was collected as part of a promotion.] I really liked the packaging and the scent of this product. I’ve been using this product the last few times I have washed my hair and I have seen a slight difference in my hair texture (less frizzy). However, the mister isn’t my favorite and I don’t necessarily think it’s something that’s required for your every day post shower hair routine.
4 out of 5 stars
25 January, 2026
originally posted on influenster.com
Nice
[This review was collected as part of a promotion.] This product is nice as a leave in conditioner. The smell is very musky but I liked it. My hair is wavy and it helped prevent frizz but didn't do much for definition like other products I prefer. It does make my hair feel very soft so I'd probably recommend this for people with straighter hair This has a spray pump but I think the product is too thick to make it something I could spray directly on my hair and comes out inconsistently so I spray it into my hand and then apply it.
5 out of 5 stars
24 January, 2026
originally posted on influenster.com
Easy to use, keeps my hair from getting frizzy
[This review was collected as part of a promotion.] I really like this 12 in 1 leave in primer. It makes my hair feel really soft and manageable. It keeps my hair from getting frizzy, it makes my hair look super shiny. This primer is easy to use, you just put a little in your hands and rub it in your hair after your shower. You don’t have to use much to get great results, this bottle will last me a long time so this is a really good value.
4 out of 5 stars
23 January, 2026
originally posted on influenster.com
Kristin Ess Hair
[This review was collected as part of a promotion.] Great everyday option if you want protection, softness, shine, and manageability without heaviness. Natural oils (sunflower, avocado, castor, mango) – light nourishment
4 out of 5 stars
20 January, 2026
originally posted on influenster.com
Made my hair feel very soft!
[This review was collected as part of a promotion.] The Kristin Ess leave-in primer has a nice, clean and pleasant scent that’s not overwhelming and remains noticeable after applying the product. It’s easy to apply throughout the hair and did a good job of reducing some frizz. I applied it to damp hair and left my hair to air dry. Once my hair was dry, it made my hair feel quite soft and seemed to add some shine.
5 out of 5 stars
20 January, 2026
originally posted on influenster.com
Light scent and great coverage!
[This review was collected as part of a promotion.] I received this product free from Influenster in exchange for an honest review. The product recommends 5 sprays, which with thick long hair I assumed would not provide much coverage. I was incorrect, when using on wet hair the product protects, detangels, and increases shine! Frizz is reduced and strands are healthier. My hair appears to have increased shine! I also used 3 sprays on dry hair to refresh. The hair still didn't not feel overly filled with heavy product.
4 out of 5 stars
19 January, 2026
originally posted on influenster.com
Good for blowouts
[This review was collected as part of a promotion.] I’m pretty happy with this product. It left my blowout looking nice and it seemed to last for several days. The smell is light and pleasant. Did not weigh my hair down.
5 out of 5 stars
18 January, 2026
originally posted on influenster.com
Amazing leave in conditioner
[This review was collected as part of a promotion.] I have always been skeptical to the leave in conditioners as they make my hair feel heavy and greasy, however I have been pleasantly surprised by how light weight this one is/ it smells really nice and not overpowering, it has a pump to spray it on the hair which delivers just the perfect quantity of the product, and when I’m done with my hairstyle- my hair feels amazing and soft🥰
5 out of 5 stars
17 January, 2026
originally posted on influenster.com
Works wonders
[This review was collected as part of a promotion.] My daughter has straight kind of wavy hair and usually frizzes but this product helped her with her frizz control and leaves her hair looking shiny and voluminous
4 out of 5 stars
16 January, 2026
originally posted on influenster.com
Niceee
[This review was collected as part of a promotion.] Pretty good. Similar to other hair serums, nothing to complain, nothing to compliment either. Subtle scent, absorbs well, moisturizing doesn’t last long, reduced frizz a little bit.
5 out of 5 stars
16 January, 2026
originally posted on influenster.com
Excellent multi tasking product
[This review was collected as part of a promotion.] I am a huge fan of Kristin Ess products so when I received this for review I was thrilled! It’s a good size product at 5 oz and based on how much you need will last a long time. It has a cream consistency despite having a spray nozzle. It works great at keeping my hair smooth and shiny and frizz free. It has also replaced my other heat protection products and seems to do a great job at that. Highly recommend grabbing this if you are in need of something new that’s a multi tasking product. Clear out the old and replace with this multi tasking product.
5 out of 5 stars
16 January, 2026
originally posted on influenster.com
Great product
[This review was collected as part of a promotion.] This product is super easy to use. I just sprayed it on my damp hair. Then blow dry it. It did help with frizz and made it super shiny. Packaging was easy to understand and so were the directions . I definitely recommend this product if you have issues with frizz like I do.