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Rating: 3.9Based on 63 reviews
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- Most helpful positiveThe post was made 4 monthsRating: 4 out of 5
Clear difference – but no miracle cure
A serum that soothes the scalp without weighing the hair down. The gel-like consistency absorbs quickly, without leaving a greasy feel, and makes the hair feel light and fresh. I have a combination of an oily, yet simultaneously dry and itchy scalp, and thought this serum would be perfect for restoring balance. ☀️ My scalp doesn't "flake" as much anymore, and I find that it doesn't itch as quickly after I've washed my hair. However, it hasn't eliminated the itching, but I still notice that it gradually makes a difference. 🌧️ I have a love-hate relationship with the scent. Initially, it smells fresh and clean, but after a few days, it tends to smell more like "cleaning product" and quite strong, which I unfortunately do not appreciate. 💡 I prefer to apply the serum before I go to bed so that it has time to soak in properly; alternatively, I sometimes apply it before I blow-dry my hair – which has worked really well. I find it easiest to use the dropper to apply the serum to the scalp so that it doesn't just end up on the hair strands, and then massage the product in with my hands until it starts to dry. Overall, I am positive about the serum, but I wouldn't say it's a miracle cure that completely restores balance in the scalp. I am participating in a test panel and received a free test product. - Most helpful negativeThe post was made 4 monthsRating: 2 out of 5
No difference
I have had recurring problems with an itchy scalp for many years. Therefore, I need to use specific shampoo that helps me in the long run, and when I saw that there is serum from such a good brand as Kerastase that is supposed to help balance the scalp, I got super excited to try it! The serum came in a really nice packaging and smells divine! But unfortunately, I experienced no other benefits... It says that you should use the serum once a day for 3 weeks, and today I finished the course, but unfortunately, I notice absolutely no difference. I first thought that I could skip my specific shampoo and see if just the serum would solve my itchy scalp, but after using it for two weeks straight and there was no change, I had to start using the shampoo again. The consistency is pleasant, and I have used exactly 3 doses every day (as it said on the packaging), but I felt that the 3 doses were not enough for the whole head (only the front then). I would have liked to use more, but then I am afraid it wouldn't have been sufficient. One plus, however, is that the hair does not get oily from it, regardless of whether you use it on towel-dried hair or on dry hair. My final answer is that if this serum existed just for the scent and didn't cost as much, I would want to buy it over and over again, but otherwise, it unfortunately won't be a purchase any time... I had the opportunity to test this serum on behalf of Smartson and got it completely free.461 views- The user's roll: Customer service at Lyko. The comment was made 4 monthsHi Christina! Thank you for your detailed review! How sad that you didn't get the result you were hoping for! I hope you find something else that suits you better 🥰 Have a nice weekend ✨
- The post was made 2 weeksRating: 3 out of 5
Serum for colored or bleached hair
I have tested Kérastase's Specifique Potentialiste Serum for unbalanced scalp on behalf of Smartson for a little over a week. It has been a bit difficult to test since I do not have an unbalanced scalp. It felt pleasantly cool when I distributed it in the scalp on towel-dried hair. It neither weighs down nor greases the hair. The scent is a bit more special. Not bad, just different from the other three serums I tested. In the product description, it mentions that it is perfect for treating discomfort after colored or bleached hair. Kérastase has hit the mark with a lovely design and I think the color choice is perfect.83 views - The post was made 2 weeksRating: 4 out of 5
Balance, freshness, and lightness – my experience after 3 weeks
I have been using Kérastase Potentialist Serum for about 3 weeks, and it has been a really good experience, especially regarding the balance in the scalp. The serum has a light and pleasant consistency that quickly absorbs without leaving the scalp greasy – something I really appreciate. It doesn’t feel heavy, and it fits very well into a daily care routine without negatively affecting either hair or styling. After a couple of weeks of use, I feel that my scalp feels more balanced and less tight/dry, and it generally seems healthier. I haven’t had any issues with irritation, and it has managed to provide care without greasiness – which is a big plus for me. Conclusion: Kérastase Potentialist Serum is a well-balanced product that works effectively on the scalp without making it greasy. Even though I have only used it for 3 weeks, I can already feel an improvement, and I would definitely recommend it to anyone looking for a serum that cares for the scalp, feels light, and doesn’t weigh down the hair. The review was conducted on behalf of Smartson - the test pilot tried the product for free.34 views - The post was made 2 weeksRating: 4 out of 5
Soothing and stops itching
I have tested the product for four weeks and think it is very nice and stops itching, without leaving a greasy film. Especially after washing my hair, I usually have itching and a dry scalp, and this product gives immediate effect. I also experience that my hair stays fresh longer without needing to be washed as often. Compared to Kérastase Nutri-Supplement Scalp Serum, I think this one was a bit better in consistency and not as runny. It also smells really good! The review was conducted on behalf of Smartson - the test pilot was allowed to try the product for free.84 views - The post was made 2 weeksRating: 3 out of 5
50/50
I have curly hair and have been using this serum for 4 weeks hoping for a more balanced and healthy scalp. The product absorbs quickly and doesn't make my hair greasy, which is a plus. I also find it easy to apply directly to the scalp. Unfortunately, my experience has been quite mixed. The scent is relatively strong and a bit synthetic, and it quickly became too much when used daily. At first, I actually experienced that my scalp started to itch more after application, which was disappointing. Additionally, my scalp felt a bit dry at times, and I had expected a more soothing and moisturizing effect. I can't say that I've seen a big difference after 4 weeks, and the effect unfortunately didn't quite live up to my expectations – especially not considering the price. The review was conducted on behalf of Smartson - the test pilot tried the product for free.45 views - The post was made 2 weeksRating: 3 out of 5
Product Review
In collaboration with Smartson, I have tested this product for free. The serum has a slightly runny consistency and is difficult to apply with the dropper if you ask me. I have thin hair, and 3 doses as recommended by the product made my hair feel weighed down. I don't experience any issues with imbalance in my scalp, so unfortunately I can't evaluate what effect it has. Nice, luxurious bottle. Good, luxurious scent. Maybe a bit strong scent.18 views - The post was made 2 weeksRating: 5 out of 5
A balancing serum that gives a calmer scalp
I have a scalp that easily gets out of balance and can quickly feel oily, which makes me careful about which products I use to not "weigh down my hair". After testing the serum from K rastase for four weeks, I notice a noticeable difference, I actually feel that my scalp feels calmer and more balanced than usual. One of the first things I noticed was the packaging, which feels both well thought out and luxurious, which is a very good first impression. The applicator on the serum (the pipette I would say) works well and makes it easy to apply the serum directly to the scalp without mess. This allows the product to be smoothly integrated into the daily hair care routine, which I usually carry out in the evening as I try to have as few products as possible during the day so that my hair doesn't get so oily.. The scent is pleasant and gives a fresh feeling without taking over. A big plus is that the hair doesn't get oily after use, something that can easily happen with scalp products. Instead, the hair feels light and fresh, while the scalp feels more harmonious. The only downside is that this is a serum in the higher price range, but for me, who has relatively long and quite thick hair, it is definitely a serum worth investing in. Overall, it is a serum that works well as a complementary step in the hair care routine, especially for those of us who struggle with a scalp that easily becomes unbalanced. It gives a feeling of control and balance without weighing down the hair. The review was conducted on behalf of Smartson - the test pilot was allowed to try the product for free.57 views - The post was made 2 weeksRating: 5 out of 5
Perfect Scalp Serum
I have been looking for a product that can care for my scalp for a long time, and here Kérastase Specifique Serum Potentialiste is really good :) As someone with very fine hair, my biggest fear is products that weigh down or make the hair look greasy, but this serum is light, absorbs super quickly, and leaves absolutely no sticky residue :) I have used this serum in combination with the 8H Magic Night Serum and it worked super well :) The review was conducted on behalf of Smartson - the test pilot tried the product for free.21 views - The post was made 2 weeksRating: 4 out of 5
This is good!
I have been lucky enough to test four different products from Kerastase, and I like this one. My scalp was catastrophic since I swim several days a week and dye my hair. With this serum, my scalp has improved. It smells good, and the bottle is nice. However, you have to be careful not to drop it in the sink, because then it might break. Like the other products I have tested, the price for this one is also too high. The review was conducted on behalf of Smartson - the test pilot was allowed to try the product for free.80 views - The post was made 2 weeksRating: 5 out of 5
Ok
The review was conducted on behalf of Smartson - the test pilot tried the product for free. This serum from Kérastase is a good choice for a scalp that feels unbalanced or irritated. The consistency is light and absorbs quickly without weighing the hair down. After use, the scalp feels fresher and more soothed. The serum contains, among other things, prebiotics and vitamin C, which help protect the scalp's microbiome and strengthen its natural barrier. It is easy to apply with the dropper and does not need to be rinsed out. The scent is mild and luxurious, giving a salon feel at home. The price is on the higher end, but the product can be a good investment for those looking for a healthier and more balanced scalp.45 views - The post was made 2 weeksRating: 4 out of 5
Delicious but not for me
I have had the opportunity to test this delicious serum from Kerastase in collaboration with Smartson. I have used it for 4 weeks, but I don't think I have had such a visible effect from it… maybe because I didn't need it from the start. This serum smells lovely and doesn't leave the hair sticky or greasy. I think that after a bleaching or coloring, where the scalp can be irritated, it is really nice.52 views
KérastaseSpecifiqueSerum Potentialiste 90 ml
Sale price 48,67 €
Ord. price 64,90 €
Campaign 25%
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Free delivery option available, can be sent immediately
Description
Ingredients
Serum Potentialiste is perfect for preventing and treating discomfort in your scalp after coloring or bleaching your hair.
Potentialiste can be used together with all Kérastase ranges so that you can apply it after each treatment.
Will immediately soothe the scalp.
STEP 1: Rinse, wash your hair and towel-dry it.
STEP 2: Apply 3 doses on your scalp.
STEP 3: Gently massage. Do not rinse.
We recommend that consumers use it once daily (morning or evening) during a 3-week period and apply 3 doses on dry or towel-dried scalp, section by section. 1 dose = 1 pipette filled to the mark. Do not rinse.
90 ml
- Category:Leave-In Treatments