Fortifying Serum Fortifying Serum

~~79,80 EUR~~ 77,40 EUR -3%

2 bottles

nouveauté

Fortifying Serum

Name: Fortifying Serum
Brand: Luxeol
SKU: LUX26_PFN_81200FR-2
Price: 77.4 EUR
Availability: InStock

100 ml

64x more resistant*
Proven anti-breakage action*
Coats hair without weighing it down
Stronger, supple and more resilient hair

Quantity

2 bottles

-3%

~~79,80 EUR~~ 77,40 EUR

*Lot de 2 : 38,70€ l'unité au lieu de 39,90€

1 bottle

39,90 EUR

3 bottles

-6%

~~119,70 EUR~~ 112,50 EUR

*Lot de 3 : 37,50€ l'unité au lieu de 39,90€

Your complete routine with:

Strengthening Routine - In&Out

Brittle hair, weakened by brushing and external aggressors?

-9%

~~119,50 EUR~~ 108,70 EUR

Strengthening Routine

Brittle hair, weakened by brushing and external aggressors?

-9%

~~79,70 EUR~~ 72,50 EUR

Your expert A question about this product?

Fragile, brittle or brush-sensitised hair?

Discover the Strengthening Serum from the Strengthening Protocol, specially formulated to reinforce the hair fibre and act as a shield against external aggressors.

Thanks to a dual ex vivo & in vivo study, this protocol demonstrated hair up to 64x more resistant* and a reduction in hair breakage*. The fibre appears stronger, more resilient and better protected on a daily basis.

The Strengthening Serum coats the hair without weighing it down or making it greasy. A true hair care treatment, it brings softness and suppleness for stronger and visibly more resilient hair.

Tested and approved, it helps protect hair from external aggressors, reduces breakage and leaves a feeling of stronger and more resilient hair.

Formulated with 97% naturally derived ingredients, silicone-free, it strengthens hair day after day*.

Results: stronger and more resistant hair, with a coated fibre that is soft without any greasy feel.

Proven efficacy

Silicone-free

97% naturally derived ingredients

Made in France

CLINICAL RESULTS

Discover the Strengthening Serum from the Strengthening Protocol, specially formulated to reinforce the hair fibre and act as a shield against external aggressors.

The Strengthening Serum coats the hair without weighing it down or making it greasy. A true hair care treatment, it brings softness and suppleness for stronger and visibly more resilient hair.

Tested and approved, it helps protect hair from external aggressors, reduces breakage and leaves a feeling of stronger and more resilient hair.

Formulated with 97% naturally derived ingredients, silicone-free, it strengthens hair day after day*.

Results: stronger and more resistant hair, with a coated fibre that is soft without any greasy feel.

LABORATORY TEST RESULTS

DOUBLE STUDY: EX VIVO & IN VIVO

The Strengthening Protocol consists of a shampoo, a conditioner and a serum designed to strengthen the hair fibre and limit breakage.

✦ 1ST EX VIVO STUDY

ELONGATION TEST

The elastic properties of the hair were assessed using a dynamometer to measure its resistance before breaking.

64 times more resistant*

Hair shows improved mechanical resistance and a more supple fibre.

✦ 2ND IN VIVO STUDY

ASSESSMENT OF THE NUMBER OF BROKEN HAIRS

The assessment of broken hairs was carried out after brushing under standardised conditions.

-60% breakage*

Hair is more resistant to brushing and visibly less prone to breakage.

View the laboratory test result and justifications

Laboratory test results and justifications

*64x more resistant: Ex vivo test, comparative study on 15 locks vs 15 placebo locks, 16 applications of the Protocol (shampoo + conditioner + Strengthening Serum Luxéol)

Proven anti-breakage action: -60% breakage after 56 days, 44 subjects, 2x/week of the Protocol.

CONSUMER RESULTS

A formula approved by testers

A usage test was carried out on 44 subjects after 56 days of use, at a rate of 2 times per week of the Strengthening Protocol (shampoo + conditioner + serum). Testers observed stronger, healthier, less brittle hair protected from external aggressors.

Stronger and protected hair

97 % notice fewer hairs on the hairbrush or in the bath/towel
93 % find that the protocol acts as a shield against external aggressors
90 % find their hair stronger and more resilient
90 % find their hair healthier

Strengthened and hydrated hair

90 % find that the protocol reduces hair breakage
84 % find their hair hydrated
100 % say they are adopting the routine on a daily basis

Serum: coated and more resilient hair

90 % find that the serum coats the hair
90 % feel their hair is stronger and more resilient
79 % find that the product does not make hair greasy
72 % find that the product does not weigh hair down

Sensoriality: a true hair care protocol

100 % find that the protocol is a true hair care product with a gentle and pleasant fragrance

View justifications(*)

Consumer test results and justifications

*Usage test, 56 days, 44 subjects, 2x/week with the Strengthening Protocol (shampoo + conditioner + Luxéol Strengthening serum).

INGREDIENTS

Hydrolysed wheat protein

Hydrolysed wheat protein is known for helping to strengthen and coat the hair fibre. It helps to smooth the cuticles, protect the hair and make styling easier.

Hydrolysed soy protein

Hydrolysed soy protein is used to help strengthen weakened hair and improve its resistance to breakage. It also helps to make brushing easier and to bring more softness and suppleness to the hair fibre. It is particularly suited to fortifying hair care products seeking both a technical and sensory benefit.

Panthenol

Panthenol is known for helping to hydrate and strengthen the hair fibre. It helps to improve the suppleness and softness of hair, while contributing to protecting it from external aggressors.

Niacinamide

Niacinamide is used to help promote stronger, healthier hair from the root.

Ingredients list

Aqua, Glycerin, Diglycerin, Caesalpinia Spinosa Gum, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein,
Niacinamide, Panthenol, Hydrogenated Starch Hydrolysate, Sucrose Laurate, Sucrose Dilaurate,
Sucrose Trilaurate, Parfum, Citric Acid, Sodium Hydroxide, Gluconolactone, Sodium Benzoate, Potassium Sorbate, Calcium Gluconate.

USAGE INSTRUCTIONS

FAQ

Which hair type is the Luxéol Fortifying Protocol suitable for?

The Fortifying Protocol has been specially formulated for fragile and brittle hair.

How long does it take to see results after use?

Our studies have demonstrated an increase in hair strength after application of the 3 references: shampoo, conditioner and serum. This effect is long-lasting, for up to 16 applications.*

Does the Luxéol Fortifying Serum contain silicones?

No, the Luxéol Fortifying Serum does not contain silicones.

Is the Luxéol Fortifying Serum suitable for pregnant and/or breastfeeding women?

Yes, this serum is suitable for pregnant and/or breastfeeding women.

Is the Luxéol Fortifying Serum suitable for children?

Yes, this serum is suitable for children aged 3 and above.

Where can I find the product sheet relating to the environmental qualities and characteristics of the Luxéol Fortifying Serum?

The product sheet relating to environmental qualities and characteristics can be found here.

100% MADE IN FRANCE¹

CLINICAL RESULTS

HAIR EXPERT

+150 PRODUCT TESTS¹

RSE COMMITTED LABEL
(AFNOR)

SATISFIED OR
REFUNDED³

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START MY DIAGNOSTIC

For your health, eat at least five fruits and vegetables a day - www.mangerbouger.fr

Food supplements should be used as part of a healthy lifestyle and should not be used as substitutes for a varied and balanced diet.
Luxéol is a brand of food supplements and cosmetic products mainly for hair and skin. Individual results may vary.

Information may change, please read product labelling carefully before use.

¹: Total number of products tested by Luxéol (clinical studies, usage tests and ex vivo tests) across all products developed, as of 27/03/2026. Products counted individually, including where several products were evaluated in the same study.
Cosmetics and food supplements 100% manufactured in France with the exception of the nail care and Special Volume products.

²: Total number of Luxéol consumer reviews recorded as of 08/04/2026: 83,760, from all sources combined (luxeol.com and third-party platforms).

³: Excluding subscriptions. See the T&Cs

**: Average rating from our customer reviews on luxeol.com and Google as of 13/05/2026.

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