SEPHO

Strengthening Hair Serum

4.5 115 reviews
Strengthening Hair Serum
A strengthening serum for denser hair: Made with 99% ingredients from natural origin, this hair ... Learn more

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  • Description

    A strengthening serum for denser hair: Made with 99% ingredients from natural origin, this hair serum enriched with biotin thickens your hair and leaves it denser. After 2 months* of use, hair is denser and hair fiber is strengthened and more resistant!
    *56 days

    Biotin, known to improve hair quality: Enriched with biotin and vegetal proteins structurally similar to keratin, this strengthening serum is an ideal ally to achieve denser and thicker hair. The leave-in formula of this hair serum with biotin is particularly pleasant to use and doesn’t leave a greasy film on hair.

    Our strengthening serum has been developed responsibly:
    WE CARE ABOUT PACKAGING: This serum’s bottle contains 30% recycled glass and is made of recyclable glass (verify locally). The cardboard box comes from sustainably managed forests and printed with plant-based inks.
    WE CARE ABOUT WATER: In order to be water-conscious, we used leave-in formulas that do not need to be rinsed.
    (non-contractual photo of the product)

    Read more

  • Directions for use

  • Test results

  • Ingredients

  • Description
  • Directions for use
  • Test results
  • Ingredients

A strengthening serum for denser hair: Made with 99% ingredients from natural origin, this hair serum enriched with biotin thickens your hair and leaves it denser. After 2 months* of use, hair is denser and hair fiber is strengthened and more resistant!
*56 days

Biotin, known to improve hair quality: Enriched with biotin and vegetal proteins structurally similar to keratin, this strengthening serum is an ideal ally to achieve denser and thicker hair. The leave-in formula of this hair serum with biotin is particularly pleasant to use and doesn’t leave a greasy film on hair.

Our strengthening serum has been developed responsibly:
WE CARE ABOUT PACKAGING: This serum’s bottle contains 30% recycled glass and is made of recyclable glass (verify locally). The cardboard box comes from sustainably managed forests and printed with plant-based inks.
WE CARE ABOUT WATER: In order to be water-conscious, we used leave-in formulas that do not need to be rinsed.
(non-contractual photo of the product)

How should you use this serum to have denser hair?

Once a day, preferably in the evening, apply a few drops (or more if needed) of the Strengthening Hair Serum to dry or damp scalp. Massage product and distribute throughout scalp. Do not rinse.

Stronger, denser and thicker, beautiful hair starts with a pampered scalp: Once a week, instead of your usual shampoo, use our cleansing scrub to purify and cleanse your hair and scalp!

After 28 days, +12% density observed by a hairdresser(1)
+11% increase in hair diameter after 56 days of use(2)
95% say that their hair is stronger(3)
85% say that their scalp is fortified(3)

(1) Scientifically measured on 20 volunteers after 28 days of application.
(2) Scientifically measured on 20 volunteers after 56 days of application.
(3) % of women satisfied after 56 days of use. Satisfaction test on 20 volunteers.

AQUA (WATER) , PROPANEDIOL , PENTYLENE GLYCOL , GLYCERIN , HYDROLYZED VEGETABLE PROTEIN , SODIUM POLYACRYLATE STARCH , CAPRYLYL/CAPRYL GLUCOSIDE , SODIUM BENZOATE , POTASSIUM SORBATE , CITRIC ACID , ACACIA SENEGAL GUM , ARGININE , XANTHAN GUM , PARFUM (FRAGRANCE) , BIOTIN , LIMONENE , CITRAL.

Reviews

4.5/5
136 reviews
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4.5/5
136 reviews
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umbyy

09/02/2024

5/5
User Review without direct purchase

big yes

i spent 2 weeks without this and my hair resumed its exodus from my head. this serum truly makes a difference for me, and it doesn't leave my scalp feeling greasy or looking gross!

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Recommend this product: Yes

Originally posted on sephora.com

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2ThGirl

06/02/2024

1/5
User Review without direct purchase

Not impressed

Didn’t see a difference. And it stinks. It does not have a pleasant scent to it. Smells pungent.

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sanzi10

02/02/2024

1/5
User Review without direct purchase

Usually the side effects from other bad reviews don't happen to me but this truly did break my scalp out!

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lilybillybaby

02/02/2024

4/5
User Review without direct purchase

Love

Love love love! My hair looks and feels healthier since I began using this product

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Recommend this product: Yes

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seralynn

24/01/2024

5/5
User Review without direct purchase

Hair feels heavier and longer

I actually liked this more than I was expecting. My hair is thinning a bit and it was already pretty fine to begin with, which is why I purchased this. It didn’t help to fill in any of my obviously thinning sections of my hair, which was fine — it didn’t claim to be able to do that. However, I noticed when I put my hair up in its nightly loose ponytail that my ponytail had a bit more weight to it. I had never really noticed the weight of my ponytail in my hand and it’s not something I was looking for, but I noticed right away when it started to become a bit heavier than before. My hair is also slightly longer. Not by a ton, but another thing I wasn’t paying attention to but noticed when it happened was feeling my hair lower on my back after showering. It had been pretty much the same length for so long that I didn’t know it could grow out past the length it’s been for about 10 years now. Either way, this did a lot more than I expected for a relatively inexpensive serum. I will definitely repurchase! It also did not make my hair appear too greasy on day 1 after wash (2nd application), but it did get oilier faster than it normally would between washes. Nothing dramatic that dry shampoo couldn’t handle, and a small price to pay for overall healthier feeling hair.

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Recommend this product: Yes

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Yessyfrausto

22/01/2024

5/5
User Review without direct purchase

Love this product, doesn’t leave your hair greasy.

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Recommend this product: Yes

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Bernie

Age: 25 إلى 34

18/01/2024

5/5
Verified buyer

Amazing

I thought I’d try this as I know Sephora make really good products and I’m so glad I did. It’s super lightweight you don’t even feel it in your hair. I apply to dry hair at night and massage it in and I’m already seeing hair growth around my hairline. Only been using for 2 weeks!! Defo buying again

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Recommend this product: Yes

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Alyssa927

13/01/2024

5/5
User Review without direct purchase

Works well and doesn’t make your hair greasy at all!

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Recommend this product: Yes

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sabdullah

Gender: Female

Age: 25 إلى 34

13/01/2024

1/5
User Review without direct purchase

Severe Allergic Reaction

Unfortunately caused me a severe allergic reaction even though my scalp isn’t sensitive.

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Jenniferlbegley

12/01/2024

5/5
Verified buyer

Hair care must!

Seeing lots of new baby hair growth. Great product 😄

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Recommend this product: Yes

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Finendandelion

10/01/2024

5/5
User Review without direct purchase

Worked well and helped a lot

I bought this with my own money at a time when I seriously needed to rehab my hair. I've been using it consistently and repurchased several times since then, and it's made a huge difference. I've had a lot of new growth and my hair is stronger and fuller (I usually have pretty thick hair but it had thinned out and I was having a lot of breakage when I started using this). Now, I have much less breakage and my hair is so much healthier. It's a thin serum and easy to massage in, and doesn't leave your hair oily at all. It's actually nice to give my head a little massage with this serum before bed every night. One bottle lasts at least a couple of months for me. I'll continue to use this product because of the big difference it's made.

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Recommend this product: Yes

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ebrills

05/01/2024

5/5
Verified buyer

So fantastic!

Love it my hair feels so good not greasy at all and is inexpensive

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Recommend this product: Yes

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