BLOND ABSOLU BLONDE GUARD
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BLOND ABSOLU BLONDE GUARD
Blonde Guard Hydrating Wonder Shield is an innovative leave-in for all blonde hair seeking protection from the main blonde aggressors: Heat, UV damages, Chlorine, Salt Water and Dryness.
UP TO 15% OFF HAIRCARE SETS*
Discover your perfect hair routine and bring the
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HAIR DIAGNOSTIC
Discover the perfect haircare routine tailored
just for you in only 2 minutes.
START QUIZ
FREE YOUR BLONDE
Blonde Guard Hydrating Wonder Shield is a innovative leave-in for all blonde hair seeking protection from their main aggressors: Heat, UV damage, Chlorine, Salt Water and Dehydration.
PROTECTS FROM THE MAIN TYPES OF BLONDE AGGRESSORS*
UP TO 2 MONTHS OF SALON-FRESH BRIGHTNESS & SOFTNESS**
HAIR FEELS HYDRATED FOR UP TO 3 DAYS***
*Instrumental test after application of Blonde Guard, Blonde Aggressors: Heat, UV Damage, Chlorine, Salt Water, Dryness
**Consumer test after application of Bain Lumiere + Cicaflash + Blonde Guard, 126 Consumers
***Consumer test, 126 Subjects
Powered by brightening science, this milky lightweight fluid is instantly absorbed and deeply nourishes hair fibres, locking in moisture for the ultimate bright & soft blonde.
How to keep your salon-fresh blonde bright & soft?
With a combination of Micronised Nourishment + Cuticle Brightening formula.
Pair Blond Absolu Blonde Guard with other products from the Blond Absolu range, like Bain Lumière Shampoo and Cicaflash Conditioner, for ultimate brightness and softness.
Bottle made of 95% recycled plastic, excluding pump, label and additives
BENEFITS
Blonde Maintenance
Heat Protection
Nourishing
✔ Provides intense, lasting nourishment.
✔ Strengthens and protects hair fibre every day.
PROTECTS FROM THE MAIN TYPES OF BLONDE AGGRESSORS*
UP TO 2 MONTHS OF SALON-FRESH BRIGHTNESS & SOFTNESS**
HAIR FEELS HYDRATED FOR UP TO 3 DAYS***
*Instrumental test after application of Blonde Guard, Blonde Aggressors: Heat, UV Damage, Chlorine, Salt Water, Dryness
**Consumer test after application of Bain Lumiere + Cicaflash + Blonde Guard, 126 Consumers
***Consumer test, 126 Subjects
FREE YOUR BLONDE
Blonde Guard Hydrating Wonder Shield is a innovative leave-in for all blonde hair seeking protection from their main aggressors: Heat, UV damage, Chlorine, Salt Water and Dehydration.
PROTECTS FROM THE MAIN TYPES OF BLONDE AGGRESSORS*
UP TO 2 MONTHS OF SALON-FRESH BRIGHTNESS & SOFTNESS**
HAIR FEELS HYDRATED FOR UP TO 3 DAYS***
*Instrumental test after application of Blonde Guard, Blonde Aggressors: Heat, UV Damage, Chlorine, Salt Water, Dryness
**Consumer test after application of Bain Lumiere + Cicaflash + Blonde Guard, 126 Consumers
***Consumer test, 126 Subjects
Powered by brightening science, this milky lightweight fluid is instantly absorbed and deeply nourishes hair fibres, locking in moisture for the ultimate bright & soft blonde.
How to keep your salon-fresh blonde bright & soft?
With a combination of Micronised Nourishment + Cuticle Brightening formula.
Pair Blond Absolu Blonde Guard with other products from the Blond Absolu range, like Bain Lumière Shampoo and Cicaflash Conditioner, for ultimate brightness and softness.
Bottle made of 95% recycled plastic, excluding pump, label and additives
BENEFITS
Blonde Maintenance
Heat Protection
Nourishing
✔ Provides intense, lasting nourishment.
✔ Strengthens and protects hair fibre every day.
PROTECTS FROM THE MAIN TYPES OF BLONDE AGGRESSORS*
UP TO 2 MONTHS OF SALON-FRESH BRIGHTNESS & SOFTNESS**
HAIR FEELS HYDRATED FOR UP TO 3 DAYS***
*Instrumental test after application of Blonde Guard, Blonde Aggressors: Heat, UV Damage, Chlorine, Salt Water, Dryness
**Consumer test after application of Bain Lumiere + Cicaflash + Blonde Guard, 126 Consumers
***Consumer test, 126 Subjects
Step 1: Apply to washed, towel-dried hair.
Step 2: Distribute evenly from mid-lengths to ends. Use before heat styling or exposure to environmental stressors.
Step 3: Do not rinse
In case of direct contact with eyes, rinse thoroughly with water. Avoid eye contact. Adult use only.
BEFORE / AFTER
Illustration of the contemplated results obtained after applying:
SCIENCE
BLOND ABSOLU
ULTIMATE HAIR CARE FOR ALL TYPES OF BLONDE
Whatever your blonde hair: you dare, we care. The Blond Absolu collection provides intense nourishment and instant brightness to achieve a perfect blonde.
Blond Absolu maintains and perfects cool tones through deep ultra-violet neutralisers, intensely nourishes the hair fibre, and brightens hair.
KEY INGREDIENTS
Vitamines C+E
The number 1 skincare brightening ingredient Vitamin C & the strong anti-oxidative Vitamin E, combine their power to brighten the fiber cuticle. Vitamin C is shown to help maintain the integrity of the hair fiber, while the Vitamin E is especially studied for it's ability to protect hair against oxidative damages.
Hyaluronic Acid
Two distinct molecular H.A. weights are used in the Blond Absolu range: The low molecular weight H.A. has been shown to penetrate the hair fiber, improving resistance, while the high molecular weight has shown to enhance smoothness, and provide a plumping effect. When combined, these two H.A. are designed to deliver benefits both on the inside and outside of the hair fiber.
- AQUA / WATER / EAU
- • COCOS NUCIFERA OIL / COCONUT OIL
- •
- • POLYQUATERNIUM-37
- •
- •
- •
- •
- •
- •
- •
- •
- • BEHENTRIMONIUM CHLORIDE
- •
- •
- •
- • CARVONE
- • CITRUS AURANTIUM PEEL OIL
- •
- • LINALYL ACETATE
- • ACRYLATES/STEARYL METHACRYLATE COPOLYMER
- •
- •
- •
- •
- •
- •
- •
- •
- • PINENE
- •
- • CITRUS AURANTIUM BERGAMIA PEEL OIL
- •
- •
- • TERPINEOL
- •
- • ROSE KETONES
- •
- •
- •
BLOND ABSOLU
ULTIMATE HAIR CARE FOR ALL TYPES OF BLONDE
Whatever your blonde hair: you dare, we care. The Blond Absolu collection provides intense nourishment and instant brightness to achieve a perfect blonde.
Blond Absolu maintains and perfects cool tones through deep ultra-violet neutralisers, intensely nourishes the hair fibre, and brightens hair.
Vitamines C+E
Within the formula, Vitamin C & Vitamin E combine their power to brighten the fibre's cuticle and help maintain the integrity of the hair fibre.
Hyaluronic Acid
Within this formula, two distinct molecular H.A. weights are used. In this formula, the low molecular weight H.A. penetrates the hair fibre, improving resistance, while the high molecular weight enhances smoothness and provides a plumping effect. When combined in the formula, this dual-action effect helps to deliver benefits both on the inside and outside of the hair fibre.
- AQUA / WATER / EAU
- • COCOS NUCIFERA OIL / COCONUT OIL
- •
- • POLYQUATERNIUM-37
- •
- •
- •
- •
- •
- •
- •
- •
- • BEHENTRIMONIUM CHLORIDE
- •
- •
- •
- • CARVONE
- • CITRUS AURANTIUM PEEL OIL
- •
- • LINALYL ACETATE
- • ACRYLATES/STEARYL METHACRYLATE COPOLYMER
- •
- •
- •
- •
- •
- •
- •
- •
- • PINENE
- •
- • CITRUS AURANTIUM BERGAMIA PEEL OIL
- •
- •
- • TERPINEOL
- •
- • ROSE KETONES
- •
- •
- •

TOP NOTES
ORANGE BLOSSOM, BERGAMOT, MANDARIN

HEART NOTES
PEONY, FIG, LAUREL

BOTTOM NOTES
CEDARWOOD, MUSK, CARDAMOME
FRAGRANCE
CALIFORNIA SPLASH
The fragrance is a contemporary clean‑luxury blend of dazzling citrus with blooming florals. With modernity at it's core, this aromatic signature leaves a lasting trail full of youth and audacity.
CALIFORNIA SPLASH

TOP NOTES
ORANGE BLOSSOM, BERGAMOT, MANDARIN

HEART NOTES
PEONY, FIG, LAUREL

BOTTOM NOTES
CEDARWOOD, MUSK, CARDAMOME
The fragrance is a contemporary clean‑luxury blend of dazzling citrus with blooming florals. With modernity at it's core, this aromatic signature leaves a lasting trail full of youth and audacity.
FREE YOUR BLONDE!
The dream line up for all types of blondes. #FreeYourBlonde
FREE YOUR BLONDE!
The dream line up for all types of blondes. #FreeYourBlonde
FREQUENTLY ASKED QUESTIONS
How often should I use Blonde Guard?
Blonde Guard is a daily leave-in treatment. It should be applied to washed, towel-dried hair before styling or any exposure to blonde aggressors.
Can I use Blonde Guard if I have natural blonde hair?
Blonde Guard is specifically formulated for lightened or highlighted hair, which typically experiences more vulnerability to aggressors. While it can offer some benefits to natural blonde hair, its full power is optimised for chemically processed blondes.
Is Blonde Guard a colour-correcting product?
Blonde Guard is not a colour-correcting product like a purple shampoo. Its primary function is to nourish and form a protective shield. For neutralisation, we recommend pairing with Blond Absolu's Bain Ultra-Violet Shampoo or Masque Ultra-Violet Hair Mask.
What is the best way to use Blonde Guard?
Blonde Guard is an essential final step in every blonde hair care routine. Apply it generously from mid-lengths to ends after washing and conditioning. Its no-rinse formula works as a powerful barrier against heat, UV rays, chlorine, salt water, and lack of moisture, helping to prolong up to 2 months of salon-fresh brightness & softness*. *Consumer tests after application of Bain Lumiere + Cicaflash + Blonde Guard, 2 months of continuous use, 126 consumers
Can I use the Blonde Guard on dry hair?
While the Blonde Guard is ideally used on towel-dried hair before blow-drying or air-drying, it is possible to apply on dry hair if immediate protection against blonde aggressors is needed. The best application method on dry hair is by applying the product on hands, and then spreading evenly on lengths.
What are the results?
Blonde Guard provides intense nourishment and forms a protective wonder shield, resulting in hair that is resilient, and vibrant. It keeps blonde colour safe and extends salon-fresh brightness and softness for up to two months**. **Consumer tests after application of Bain Lumiere + Cicaflash + Blonde Guard, 2 months of continuous use, 126 consumers
COMPLETE YOUR ROUTINE
ABSOLUTE BLONDE
At Kérastase, we believe in the power of a complete haircare routine. Discover the products of this range and maximize your results!
BLOND ABSOLU MASQUE ULTRA-VIOLET HAIR MASK
Anti-brass purple mask for lightened, highlighted hair.
BLOND ABSOLU CICAFLASH CONDITIONER
Iconic conditioner with Hyaluronic Acid for all blonde hair types.
BLOND ABSOLU L'HUILE CICAGLOSS REFILLABLE HAIR OIL
The refillable Kérastase Blond Absolu Cicagloss oil formula, enriched with Edelweiss, provides deep hydration, strengthens compromised fibre and helps repair sensitised post-bleached hair.