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Strengthen and revitalize your hair with Keune advanced hair serum.

Long & Strong Serum

CHF 39.90

In stock

100ml
Stimulate and strengthen with Long & Strong Super Serum, a cutting-edge formula designed to support healthier, fuller-looking hair from the root. Powered by biomimetic peptides that mimic the body’s natural growth signals, this lightweight serum helps revitalize the scalp, extend the hair growth cycle, and reduce thinning over time.
More Information
Application:
Inhaltstoffe
Aqua (Water), Alcohol Denat., Glycerin, Butylene Glycol, PEG-40 Hydrogenated Castor Oil, Lecithin, Hydrolyzed Soy Protein, Parfum (Fragrance), Sodium Benzoate, Citric Acid, Caffeine, 3-Aminopropane Sulfonic Acid, Sodium Chondroitin Sulfate, Sodium Hydroxide, Panax Ginseng Root Extract, Biotin, Quaternium-51, Dextran, Dipropylene Glycol, Acetyl Tetrapeptide-3, Trifolium Pratense (Clover) Flower extract, Benzyl Salicylate, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Aurantium Peel Oil, Geraniol, Hexamethylindanopyran, Hydroxycitronellal, Limonene, Linalool, Linalyl Acetate, Tetramethyl Acetyloctahydronaphthalenes, Vanillin
Product type:
Hair Serum
Benefit:
repair, renforcement
clean Beauty:
cruelty free, vegan
Brand:
Care
Item number:
21608

Product ratings

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Strengthen and nourish strong hair with Keune's lightweight conditioner.
Strengthen and nourish strong hair with Keune's lightweight conditioner.
Strengthen and nourish strong hair with Keune's lightweight conditioner.
Strengthen and nourish strong hair with Keune's lightweight conditioner.

WHY IT PERFORMS

Stimulates Hair Growth at the Root
     Encourages fuller, denser-looking hair
Biomimetic Peptides for Targeted Results
     Mimics natural signalling to support healthier growth
Strengthens & Anchors Hair Fibers
     Helps reduce shedding and improve strand resilience
Fast-Absorbing & Non-Greasy
     Ideal for daily use with no residue

WHO IT IS FOR 

For anyone experiencing a reduction in hair density, 
hair loss and weakened, fragile hair.

THE RESULT

→ 94% of the research participants presented 
     a reduction in hair loss, as evidenced by a significant
     increase in the anagen/telogen ratio, after 60 days
→ 94% of the research participants presented an 
     increase in the density of new hair strands after 60 days




HOW TO USE

Cleanse with Care Long & Strong Shampoo and 
Conditioner. Towel-dry and apply to scalp section 
by section. Massage in gently. Do not rinse.Style as usual. 

 

Keune hair care product boosts shine and clarifies the scalp for healthier hair.
Stück
Long & Strong Shampoo
80ml 300ml 1000ml
CHF 24.90
Keune hair care product enhances resilience and softness in weak hair
Stück
Long & Strong Conditioner
80ml 250ml 1000ml
CHF 25.90
Strengthen and revitalize your hair with Keune advanced hair serum.
Stück
Long & Strong Serum
100ml
CHF 39.90
Achieve fuller, healthier hair from root to tip with Keune lightweight leave-in formula.
Stück
Long & Strong Leave-In
100ml
CHF 34.00
-30%
Special offer: Hair care set for thick hair
Stück
Long & Strong Rituals Set
Set
CHF 204.20 CHF 142.00
-20%
Special offer: Hair care set for thick hair
Stück
Long & Strong Boost Set
Set
CHF 140.80 CHF 112.00
NEW

Scientific
Breakthrough

Tech/Ingredients: Biomimetic Peptides, Red Clover Extract, Marine Density Infusion, Centella Asiatic

 

Discover more

 

 


Delivery within 2 business days
   & free for orders from CHF 120.—   

How does Long & Strong help
6,000 people daily with hair loss?

You are not alone!

 



Who is the Long & Strong line suitable for?

For weakened, brittle, or fragile hair and
anyone experiencing hair loss.

 



How soon will I see results?

94% of participants experienced reduced hair loss 
after 60 days of use, based on clinical proof.

 



How does Scientific Breakthrough work?

With Scientific Breakthrough, it reinforces the 
hair fiber to prevent breakage and repairs damage.

 



How does Long & Strong help strengthen hair?

Its formula reinforces the hair fiber to prevent breakage, repairs damage
and boosts shine by sealing the cuticle.

 


Our Value
Experience the world of Keune

Related articles

Keune hair care product boosts shine and clarifies the scalp for healthier hair.
Stück
Long & Strong Shampoo
80ml 300ml 1000ml
CHF 24.90
Keune hair care product enhances resilience and softness in weak hair
Stück
Long & Strong Conditioner
80ml 250ml 1000ml
CHF 25.90
Strengthen and revitalize your hair with Keune advanced hair serum.
Stück
Long & Strong Serum
100ml
CHF 39.90
Achieve fuller, healthier hair from root to tip with Keune lightweight leave-in formula.
Stück
Long & Strong Leave-In
100ml
CHF 34.00
Stück
CARE White Dispenser 1L
Stk.
CHF 6.50
-30%
Special offer: Hair care set for thick hair
Stück
Long & Strong Rituals Set
Set
CHF 204.20 CHF 142.00
-20%
Special offer: Hair care set for thick hair
Stück
Long & Strong Boost Set
Set
CHF 140.80 CHF 112.00
Strengthen and nourish strong hair with Keune's lightweight conditioner.
Strengthen and nourish strong hair with Keune's lightweight conditioner.
Strengthen and nourish strong hair with Keune's lightweight conditioner.

THE RESULT

→ 94% of the research participants presented 
     a reduction in hair loss, as evidenced by 
     a significant increase in the anagen/telogen 
     ratio, after 60 days
→ 94% of the research participants presented an  
     increase in the density of new hair strands
     after 60 days.

WHO IT IS FOR 

For anyone experiencing a reduction in hair density, 
hair loss and weakened, fragile hair.


HOW TO USE

Cleanse with Care Long & Strong Shampoo and 
Conditioner. Towel-dry and apply to scalp section 
by section. Massage in gently. Do not rinse. Style 
as usual.

WHY IT PERFORMS

Stimulates Hair Growth at the Root
     Encourages fuller, denser-looking hair
Biomimetic Peptides for Targeted Results
     Mimics natural signalling to support
     healthier growth
Strengthens & Anchors Hair Fibers
     Helps reduce shedding and improve 
     strand resilience
Fast-Absorbing & Non-Greasy
     Ideal for daily use with no residue

Scientific Breakthrough

 

Tech/Ingredients: Biomimetic Peptides,
Red Clover Extract, Marine Density Infusion, Centella Asiatic

Explore more

 

Keune hair care product boosts shine and clarifies the scalp for healthier hair.
Stück
Long & Strong Shampoo
80ml 300ml 1000ml
CHF 24.90
Keune hair care product enhances resilience and softness in weak hair
Stück
Long & Strong Conditioner
80ml 250ml 1000ml
CHF 25.90
Strengthen and revitalize your hair with Keune advanced hair serum.
Stück
Long & Strong Serum
100ml
CHF 39.90
Achieve fuller, healthier hair from root to tip with Keune lightweight leave-in formula.
Stück
Long & Strong Leave-In
100ml
CHF 34.00
-30%
Special offer: Hair care set for thick hair
Stück
Long & Strong Rituals Set
Set
CHF 204.20 CHF 142.00
-20%
Special offer: Hair care set for thick hair
Stück
Long & Strong Boost Set
Set
CHF 140.80 CHF 112.00

 
  Delivery within 2 business days
   & free for orders from CHF 120.—    

 

How does Long & Strong
help 6,000 people daily with hair loss?

You are not alone

Keune hair care product boosts shine and clarifies the scalp for healthier hair.
Stück
Long & Strong Shampoo
80ml 300ml 1000ml
CHF 24.90
Keune hair care product enhances resilience and softness in weak hair
Stück
Long & Strong Conditioner
80ml 250ml 1000ml
CHF 25.90
Strengthen and revitalize your hair with Keune advanced hair serum.
Stück
Long & Strong Serum
100ml
CHF 39.90
Achieve fuller, healthier hair from root to tip with Keune lightweight leave-in formula.
Stück
Long & Strong Leave-In
100ml
CHF 34.00
Stück
CARE White Dispenser 1L
Stk.
CHF 6.50
-30%
Special offer: Hair care set for thick hair
Stück
Long & Strong Rituals Set
Set
CHF 204.20 CHF 142.00
-20%
Special offer: Hair care set for thick hair
Stück
Long & Strong Boost Set
Set
CHF 140.80 CHF 112.00

Your questions,
Our answers

 

 

Who is the Long & Strong line
suitable for?

For weakened, brittle, or fragile hair
and anyone experiencing
hair loss.

 

 

 



How soon will I see
results?

94% of participants experienced reduced
hair loss after 60 days of use,
based on clinical proof.

 

 

 

 

How does Long & Strong help
strengthen hair?

With Scientific Breakthrough, it reinforces
the hair fiber to prevent breakage
and repairs damage.

 

 

 



How does Long & Strong
help strengthen hair?

Its formula reinforces the hair fiber to prevent
breakage, repairs damage and boosts
shine by sealing the cuticle.

 

 

Related articles

Keune hair care product boosts shine and clarifies the scalp for healthier hair.
Stück
Long & Strong Shampoo
80ml 300ml 1000ml
CHF 24.90
Keune hair care product enhances resilience and softness in weak hair
Stück
Long & Strong Conditioner
80ml 250ml 1000ml
CHF 25.90
Achieve fuller, healthier hair from root to tip with Keune lightweight leave-in formula.
Stück
Long & Strong Leave-In
100ml
CHF 34.00
Strengthen and revitalize your hair with Keune advanced hair serum.
Stück
Long & Strong Serum
100ml
CHF 39.90
Stück
CARE White Dispenser 1L
Stk.
CHF 6.50
-30%
Special offer: Hair care set for thick hair
Stück
Long & Strong Rituals Set
Set
CHF 204.20 CHF 142.00
-20%
Special offer: Hair care set for thick hair
Stück
Long & Strong Boost Set
Set
CHF 140.80 CHF 112.00
Strengthen and revitalize your hair with Keune advanced hair serum.
Stück
Long & Strong Serum
100ml
CHF 39.90
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