Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (2025)

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BUY BROWBOND™, GET LASHBOND™ 50% OFF. Code: EYELOVEUK

20% OFF FOR ALL STUDENTS LEARN MORE

BUY BROWBOND™, GET LASHBOND™ 50% OFF.Code: EYELOVEUK

20% OFF FOR ALL STUDENTS LEARN MORE

Offer Details

*Get 50% off Lashbond Building Serum with the purchase of Browbond Building Serum. Use code EYELOVEUK. Offer valid until 28/4/24 at 11:59 PM PST. Offer is limited to 3 uses per order. Offer may not be applied to the purchase of Olaplex Online eGift Cards. Offer is not valid on the Lash & Brow Kit. Offers valid on uk.olaplex.com only for orders shipping within the UK. Offer cannot be applied to previously placed orders and cannot be combined with any other offers. Offer is not applicable to pending purchases, taxes or shipping charges. Only authorized orders will be processed and shipped. Please note: We reserve the right to cancel any order due to unauthorized, altered, or ineligible use of offers and to modify or cancel promotions due to system error or unforeseen problems.

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (1)

About Nº.9

The anti-damage hair shield

Seeing dull hair, tangles, or poor style retention on your clients? These could be signs of pollution or heat damage. Protect their hair from daily damage with this weightless, leave-in, silicone-free hair serum to shield hair from pollution for 48 hours and provide heat protection up to 450°F (232°C).

With antioxidant-rich Red Algae Extract and scientifically proven OLAPLEX

® Bond Building Technology™.

Visible Hair Benefits
• Satin shine & softness
• Style memory & bounceback curls
• Anti-tangle & anti-static

Ingredients:

Free of DEA, Aldehydes and Formaldehyde. Silicone-Free.

ALL INGREDIENTS

Water (Aqua/Eau), Propanediol, Betaine, Quaternium-22, Sodium Hyaluronate, Bis-Aminopropyl Diglycol Dimaleate, Cetrimonium Chloride, Panthenol, Hydroxyethylcellulose, PVP, Guar Hydroxypropyltrimonium Chloride, Furcellaria Lumbricalis Extract, Pelvetia Canaliculata Extract, Xylitylglucoside, Polyquaternium-44, Anhydroxylitol, Maltitol, Citric Acid, Trisodium Ethylenediamine Disuccinate, Xylitol, Sorbic Acid, Phenoxyethanol, Ethylhexylglycerin, Sodium Benzoate, Fragrance (Parfum), Citral, Citronellol, Hexyl Cinnamal, Limonene, Linalool.

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (9)

All Hair Types

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (10)

Cruelty Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (11)

Gluten Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (12)

Nut Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (13)

Paraben Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (14)

PH Balanced

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (15)

Phosphate Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (16)

Phthalate Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (17)

Sulfate Free

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (18)

Vegan

Where:

As the first step in your styling routine, apply a small amount to damp hair working upward from ends to roots. Use more as needed for longer, thicker hair.

When:

Use on days you wash your hair and any days in between for added protection.

For:

All hair types and textures.

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (19)

SUSTAINABILITY

Healthier hair, healthier planet.

We are committed to developing products that deliver dramatic results while respecting environmental and human health so you never have to choose between good hair days, good health, and doing good for the planet. To help reduce our carbon footprint, we limit the use of secondary packaging for the majority of our products. Each product without a box helps:

We save

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (20)

0.7 Gallons

of water per product

We eliminate

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (21)

0.4 LBS

of greenhouse gas emissions per product

We save

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (22)

44,000 Trees

A year from being cut down

We save

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (23)

8,239 Acres

Of US land from being deforested

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Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (25)

The only patented system to noticeably repair extreme damage—turn dry, brittle hair into soft, shiny, and more resilient hair.

How it Works

The Original Bond Builder

The only patented system to noticeably repair extreme damage—turn dry, brittle hair into soft, shiny, and more resilient hair.

How it Works

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (26)

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (27)

THE SOLUTION TO HAIR POLLUTION

Red Algae Extract bonds to wet hair like an invisible shield to block pollutants, nourish hair, and deliver potent antioxidants to the cuticle that neutralize free radicals before they cause damage.

Pollutants create free radicals that destroy hair bonds and proteins causing tangles, split ends, breakage, and hair that’s hard to style. Antioxidants can prevent free radical damage, but your hair doesn’t absorb most of them like your skin does.

LEARN MORE

OLAPLEX Professional Certification

Complete our OLAPLEX Certification today and enjoy unrestricted access to ALL of our Educational resources.

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Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (28)

Repair Protect Strengthen TRAVELING STYLIST KIT £78

pro exclusive

PRIMES REPAIRS STRENGTHENS Nº.0 INTENSIVE BOND BUILDING TREATMENT £18.60 (Pro Price)

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AT-HOME REPAIR FOR STRONG HAIR Nº.3 HAIR PERFECTOR™ £18.60 (Pro Price)
PURIFIES RESTORES PROTECTS Nº.4C BOND MAINTENANCE® CLARIFYING SHAMPOO £18.60 (Pro Price)

NEW SIZE AVAILABLE

EXTENDS SALON STYLES AND DETOXIFIES SCALP Nº.4D CLEAN VOLUME DETOX DRY SHAMPOO £18.60 (Pro Price) £9 (Pro Price) £28Retail price £15Retail price
PROTECTS DETANGLES IMPROVES MANAGEABILITY Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM £18.60 (Pro Price)
SMOOTHS CONDITIONS STRENGTHENS Nº.6 BOND SMOOTHER £18.60 (Pro Price)

NEW SIZE AVAILABLE

Protect Shine No Frizz OLAPLEX N°.7 BONDING OIL™ £18.60 (Pro Price) £33.48 (Pro Price) £28Retail price £51Retail price
Repair Protect Strengthen SALON INTRO KIT £234

pro exclusive

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HYDRATES REPAIRS STRENGTHENS Nº.5 BOND MAINTENANCE CONDITIONER £18.60 (Pro Price) £9.30 (Pro Price) £28Retail price £14Retail price

BESTSELLER

STRENGTHENS CLARIFIES HYDRATES Nº.4 BOND MAINTENANCE SHAMPOO £18.60 (Pro Price) £13 (Pro Price) £28Retail price £14Retail price
Repair Protect Strengthen Nº.2 BOND PERFECTOR 2000ML BACKBAR £114

pro exclusive

Discover the bond builder.

See and shop customer photos, plus add your own. Use #OLAPLEX to share your hair journey.

Reviews

Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM (2025)

FAQs

What does bond protector do for hair? ›

Each time hair is colored – whether a single process or with a lightener – the cuticle is lifted, exposing the cores and bonds within the hair. Bond protectors act as mighty defense systems that work their magic every time the cuticle is lifted to protect your stands.

What is the 9 bond protector nourishing hair serum? ›

9 Bond Protector Nourishing Hair Serum is a leave-in, silicone-free hair serum to shield from pollution and heat that cause tangles, breakage, and static. OLAPLEX Bond Building Technology™ is paired with potent, antioxidant-rich Red Algae Extract to nourish hair, block pollutants, and neutralize free radicals.

Is it better to use Olaplex 9 on wet or dry hair? ›

You can use the serum on dry hair, too, to smooth down flyaways and to dial up the glossiness.

Can you use Olaplex 9 every day? ›

We recommend applying this product 2x a day.

How often should you use Olaplex hair serum? ›

OLAPLEX is a bond builder, not a conditioning treatment or protein treatment, allowing extensive use, the minimum is once weekly. Start with two treatments a week then go from there. Listen to your hair and what it is showing you it needs.

Does Olaplex actually work? ›

The best hair professionals in the world all swear by Olaplex, because it works like nothing else to repair damage and strengthen hair from the inside out. We've already answered the question of whether or not Olaplex works: It does.

Is there a lawsuit against Olaplex for hair loss? ›

Why Are Olaplex Lawsuits Filed? The Olaplex lawsuit that was filed in 2023 alleges that Olaplex caused users to experience hair breakage, hair loss and scalp irritation. It is also alleged that Olaplex engaged in a cover-up of this fact while reassuring its users that its products were safe.

Can you use Olaplex hair serum on dry hair? ›

Apply sparingly to dry hair for frizz and static control and added shine.

What is the purpose of OLAPLEX 9? ›

This multi-benefit serum is daily protection from pollution, heat, and future damage for visibly healthier hair. Just like you use protection for your skin, Nº. 9 provides immediate results for all hair types and textures.

What ingredient is Olaplex No 9 Nourishing hair serum boosted with that works as a potent antioxidant? ›

Infused with the brand's patented Bond Building Technology™ and red algae extract, the serum creates a weightless veil over the hair to protect against pollution and heat up to 232°C.

Does OLAPLEX 9 have protein? ›

Therefore, OLAPLEX is not a protein treatment. OLAPLEX works at a molecular level to rebuild the hair internally. Our hair contains millions of disulfide bonds. These bonds give the hair its structure, strength, and stability.

Which is better, Olaplex 6 or 9? ›

6 is more geared towards smoothing, styling, and managing the hair. On the other hand, No. 9 focuses on providing deep nourishment and revitalisation to the hair, contributing to its overall health and appearance. Similarly, both products will offer heat protection.

Is Olaplex 9 good for fine hair? ›

But the reason I think the OLAPLEX hair serum is the brand's best product yet is because it gives me everything my fine hair needs. Lightweight hydration. Protection from the elements. More days out of my blow dry.

Do you use Olaplex No 9 before or after conditioner? ›

4 Bond Maintenance Shampoo and No. 5 Bond Maintenance Conditioner will help cleanse, condition and hydrate damaged, dry locks and maintain health of hair. The OLAPLEX No. 9 Bond Protect Nourishing Hair Serum is best used on clean, damp, towel-dried hair before you apply any styling products.

Can I leave Olaplex 9 overnight? ›

It strengthens and hydrates the hair without adding extra weight thanks to the key ingredient, bis-aminopropyl diglycol dimaleate, which builds bonds within the hair structure. You can leave it in for as little as 10 minutes, but I like to pop it on before a workout or overnight and then rinse it out when shampooing.

Does Olaplex 9 go before or after 6? ›

6 goes on first, your base is going to be Nº. 9!

How and when to use hair serum? ›

Whenever possible, it's best to apply the serum to damp hair before the rest of your styling products to lock in the benefits but some serums are more than okay to use on dry hair. It's also okay to use a serum throughout the day to touch up the hair, but the initial application should be on clean hair.

References

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