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Thickening Serum
- +35% thickness 1 from 1st use
- Lasting effect 1
- Thicker, stronger hair
- Radiant, nourished hair
- Proven effectiveness
1 bottle
For an ideal program, we recommend at least the 2-bottle formula
Minimum recommended
2 bottles
*Pack of 2: €37.45 each instead of €39.90
Best price
3 bottles
*Pack of 3: €35.90 each instead of €39.90
- OR -
Thickening Protocol
*75.50€ for the routine instead of 84.70€.
1 Thickening Shampoo1 Thickening Serum
1 Thickening Leave-In Conditioner
*75.50€ for the routine instead of 84.70€.
- OR -
*75.50€ per routine instead of 84.70€ 76.30€ per routine
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Thickening Serum
The 1st protocol 2 that gives your hair +35% 1 thickness from the 1st use
Problems with fine hair? Discover Thickening Serum, with its natural formula and light texture.
This genuine treatment leaves your hair shiny and soft.
This serum is part of the Thickening protocol, which brings thickness and strength to your hair from the 1st use.
Proven effectiveness
Proven effectiveness in an ex-vivo test on 30 strands after immediate application of Protocole Épaississant 1
Tested and approved
Use test on 54 people after 28 days, 2 to 3 times a week
Made in France
Silicone-free
Proven effectiveness
Increases hair thickness by +35% 1
An immediate and lasting effect 1
Proven effectiveness
Increases hair thickness by +35% 1
An immediate and lasting effect 1
The Thickening Protocol consists of a shampoo, a leave-in conditioner and a serum. This protocol has been the subject of an ex-vivo study, i.e. on initially sampled strands of hair, which measured proven effectiveness in increasing hair thickness: +35% 1 from the first use, as well as a long-lasting effect.
A formula approved by testers
A use test was carried out on 54 volunteers. After 28 days' use of the Thickening protocol (shampoo + leave-in conditioner + serum), testers found their hair thicker, stronger, fortified, nourished and denser.
of testers find their hair thicker
of testers find their hair shiny and fortified
of testers find their hair nourished
of testers find their hair more resistant
of testers find their hair denser
Sensoriality
A serum with a light, fluid texture for soft, shiny hair.
of testers noted a light, fluid texture
of testers found that the product does not grease the hair
Discover the ingredients
A formula with a multitude of synergistic ingredients, including :
Hyaluronic acid
Hydrolyzed rice protein
Directions for use :
Apply 2 to 3 times a week to dry hair
on lengths and ends, after shampooing and conditioning.
Do not rinse
Precautions for use :
Thickening Serum has been specially formulated for fine hair.
Our study showed an increase in hair thickness from the 1st use, lasting after several applications. Apply Luxéol Thickening Protocol 2 to 3 times a week for 2 months for optimal results.
No, Luxéol Thickening Serum does not contain silicones.
Yes, this serum is suitable for pregnant and breast-feeding women.
The Luxéol Sérum Épaississant environmental data sheet can be found here.
Free delivery
In a relay point
Satisfied or your money back
3x interest-free payment
70 products made
in France 2
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(2) All Luxéol products are made in France with the exception of Luxéol Infusion pousse, Luxéol Spécial Volume, Luxéol Reactive Hair Loss 2 in 1, Luxéol Anti-Hair Loss Mask and Luxéol Strengthening Nail Care as of 05/17/2025.
- Pousse1 Croissance2 & Fortification2 (3-month format) contains: (1) arugula, which helps stimulate the hair bulb, promoting hair density, (2) horsetail, which improves hair condition and promotes hair growth and fortification, (3) copper, which contributes to normal hair pigmentation, (4) vitamin B8, which helps maintain normal hair, (5) selenium, which helps maintain normal hair and (6) zinc, which helps maintain normal hair.
- Nutrition1&Protection2 contains: (1) ascophyllum, algae that nourish hair and improve its structure, (2) selenium, which helps protect cells against oxidative stress, (3) vitamin B6, which contributes to normal cysteine synthesis, and (4) zinc, which helps maintain normal hair.
- White & Gray Hair Pigmentation1 contains: (1) copper, which contributes to normal hair pigmentation and protects cells against oxidative stress, (2) vitamin E, which contributes to protecting cells against oxidative stress, (3) zinc, which contributes to maintaining normal hair and protecting cells against oxidative stress, (4) blackcurrant, which prevents the appearance of age-related changes, (5) vitamin B6, which contributes to normal cysteine synthesis, (6) vitamin B8, which contributes to maintaining normal hair.
- Brewer’s Yeast : (1) Grâce à la vitamine B8, au sélénium et au zinc qui contribuent au maintien de cheveux normaux. (2) Grâce à la vitamine B3, à la vitamine B8 et au zinc qui contribuent au maintien d’une peau normale. (3) Grâce au sélénium et au zinc qui contribuent au maintien d’ongles normaux.
- Pousse1, Croissance2 & Fortification2 Drinkable format (1) arugula, which helps stimulate the hair bulb, promoting hair density, (2) horsetail, which improves hair condition and promotes hair growth and fortification, (3) copper, which contributes to normal hair pigmentation, (4) vitamin B8, which helps maintain normal hair, (5) selenium, which helps maintain normal hair and (6) zinc, which helps maintain normal hair.
- Reactive hair loss1 (3-month format) contains: (1) Montpellier Capillary to help prevent hair loss. (2) Eschscholtzia to help calmly cope with the stress of an active lifestyle. (3) Vitamin B6 helps reduce fatigue and regulate hormonal activity. (4) Horsetail to improve hair condition and promote hair growth and fortification. (5) Vitamin B8 (BIOTINE) to help maintain normal hair. (6) Selenium to help maintain normal hair and (7) Zinc to help maintain normal hair.
- Gummies Force1 & Croissance1 contains: (1) horsetail to improve hair condition and promote hair growth and fortification (2) (3) selenium and zinc to help maintain normal hair and nails.
- Hair Loss Gummies 1 contains: (1) Montpellier Capillary to help prevent hair loss (2) Zinc, selenium and vitamin B8 to help maintain normal hair (3) vitamin B6 for normal cysteine synthesis.
- Hair Density Gummies1 contains: (1) arugula, which helps stimulate the hair bulb, promoting hair density (2) zinc, selenium and vitamin B8, which help maintain normal hair (3) copper, which contributes to normal hair pigmentation. (4) vitamin B6, which contributes to normal cysteine synthesis.
- Biotin 10001 (1) contains 1000 µg biotin (vitamin B8) per recommended daily dose, (2) biotin (vitamin B8) helps maintain normal hair, (3) arugula helps stimulate the hair bulb, promoting hair density.
- Peau Nette1, Saine1,2 & Pure1 complex (1) with nettle for clear skin, (2) with burdock for healthy skin and nettle for healthy skin, (3) with nettle for pure skin, (4) with blackcurrant to help prevent the appearance of age-related changes, (5) with nettle to help reduce skin impurities.
- Keratin Complex contains: (1) horsetail, which improves hair condition and promotes hair growth and fortification (2) selenium, which helps maintain normal hair and nails and protect cells against oxidative stress. (3) zinc, which helps maintain normal hair and nails and protect cells against oxidative stress. (4) vitamin B6, which contributes to normal cysteine synthesis. (5) biotin, which helps maintain normal hair.
- Zinc 151 (1) Contains 15 mg zinc per recommended daily dose. (2) Zinc helps maintain normal skin, hair and nails.
- Hair Density Infusion contains: (1) arugula, which helps stimulate the hair bulb, favoring hair density. (2) nettle for hair fortification.
- Eyelash and Eyebrow Serum Clinical study against control, 41 people, significant increase in lash length, density, volume and thickness as well as eyebrow density and definition after twice-daily application for 2 months.
- Progressive Hair Loss (3-month format) (1) contains Montpellier Capillary, which helps prevent hair loss. (2) Nettle, which helps fortify hair. (3) Vitamin B6, which helps regulate hormonal activity. (4) Blackcurrant, which helps prevent the appearance of age-related changes.
- Collagen 2 in 1 Luxéol Collagen 2 in 1 contains: (1) horsetail, which promotes hair growth and fortification. (2) nettle, which promotes hair fortification and contributes to clear skin. (3) collagen peptides, which help improve wrinkles and skin elasticity.
For your health, eat at least five fruits and vegetables a day - www.mangerbouger.fr
Dietary supplements should be used as part of a healthy lifestyle and not as a substitute for a varied and balanced diet.
Luxéol is a brand of dietary supplements and cosmetic products mainly for hair and skin. Individual results may vary. Individual results may vary.
Do not stay too long in the sun, even if you are using a sun protection product.
Do not expose babies and young children directly to the sun.
Overexposure to the sun is a serious threat to health.
Information is subject to change. Consult product labels carefully before use.