Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment
Intense Repair Leave-In Treatment

Intense bond repair for damaged hair

5.0
Rated 5.0 out of 5 stars
5.0 Stars (9 Reviews)

R•4 Intense Repair Leave-In Treatment

R•4 Intense Repair Leave-In Treatment

$75.00
$75.00 $75.00
BESTSELLER
Scalp + hair care
Sulphate - free
Silicone - free
Paraben - free
Colour protect

A bond repair leave-in that works overtime to reverse the appearance of damaged hair. R·4 is a high-performance, bond-repair treatment powered by our RDS Bond complex to visibly restore hair health after just one use. Lightweight, fast-absorbing and non-greasy, this leave-in sinks into strands to support long-lasting bond strength, boost shine and deliver protection against colour fade, UV, and pollution. For all hair types.

This is your once-a-week damage rescue. For hair that’s been bleached, heat-styled, over-brushed - or simply lived a good life - R·4 Leave-In Treatment repairs damaged bonds from the inside out, leaving your hair softer, smoother and with a shine so glossy it needs an ego check.

Use alongside other bond repair hair products, including bond repair shampoo, conditioner and hair mask.

Hit rewind on hair damage for 80% less breakage after one use.

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Intense Repair Leave-In Treatment

POWERED BY EXCLUSIVE

RDS Bond Technology

Our unique blend of three powerhouse complexes takes repair even deeper for visible results after one use. 

REPAIR: A blend of all three functional keratin proteins from NZ sheep’s wool repairs broken disulphide bonds in the hair’s cortex for 80% less breakage and 52% stronger hair.

DEFEND: A powerhouse liposomal antioxidant trio prevents damage from UV, pollution, heat styling and colour to prevent split ends, breakage and frizz.

SHINE: Unique complex of fruit extracts from 99.5% natural origins deeply nourishes to revive dull strands and boost shine by 44%.

  • What causes hair damage?

    Hair damage is caused by everyday stressors like heat styling, colouring, chemical treatments, UV exposure and environmental factors that weaken the hair’s internal bonds.

  • What is a bond repair treatment?

    A bond repair treatment is a targeted formula that works inside the hair fibre to rebuild broken bonds, strengthen strands and restore softness and shine.

  • How does RDS Bond work?

    RDS Bond uses a blend of clinically proven actives to penetrate deep into the hair cortex, repairing damaged bonds while protecting against future breakage.

1 3

Fast-acting repair and protection for instantly stronger, glossier strands.

80% less breakage after one use 

Clinically proven to restore hair health and softness after a single application. 

Stronger, Softer Strands 

Strengthens hair by up to 52% while leaving it touchably smooth. 

Shields Against Damage 

Protects from UV, heat, pollution and colour fade. 

Instant Shine 

Unique shine complex leaves strands glossy and protected.  

No-Rinse, No Fuss 

Activates in just 3 minutes—apply and go for easy, salon-level results. 

Clean Formulas  

Colour-safe ingredients and made without silicones, sulphates, parabens. 

Ingredients

Key ingredients

RDS Bond

A blend of hydrolysed wool protein and antioxidant-rich actives designed to repair disulfide bonds and strengthen hair from the inside out. This bond repair technology is shown to reduce hair breakage by 80%, increase strength by 52%, and improve condition for strong and shiny strands.

All Ingredients

Aqua / Water/ Eau, EthylhexylOlivate, Brassica Alcohol, Glycerin, Isoamyl Laurate, Capryloyl Glycerin/Sebacic Acid Copolymer, Behentrionium Chloride, Diheptyl Succinate, Cetyl Alcohol, Niacinamide, Keratin, Hydrolyzed Keratin, Oxidized Keratin, Theobroma Grandiflorum Seed Butter, Musa sapientum (banana) Fruit Extract, Theobroma cacao (cocoa) Extract, Ananas sativus (pineapple) Fruit Extract, Ceramide NP, Fragrance (Parfum), Mannitol, Phosphatidylcholine, Hydroxypropyltrimonium Hyaluronate, Tocopherol, Polyglyceryl-10 Laurate, Xanthan Gum, Sodium Chloride, Cetrimonium Chloride, Disodium Phosphate, Hydroxyethylcellulose, C13-15 Alkane (Formerly C13-16 Isoparaffin), BrassicylIsolucinateEsylate, Dipropylene Glycol, Butylene Glycol, Ferulic Acid, 3-O-Ethyl Ascorbic Acid, Polysorbate 60, Sodium Phytate, Sodium Benzoate, Ethylhexylglycerin, Phenoxyethanol, Potassium Sorbate, Sodium Phosphate, Benzyl Salicylate, Coumarin, Citronellol, Citrus Limon (Lemon) Peel Oil, Citrus Aurantium Dulcis (Orange) Peel Oil, Juniperus Virginiana Oil, Pinus Palustris Oil, PogostemonCablin Leaf Oil, Salvia Sclarea (Clary) Oil, Cymbopogon Nardus (Citronella) Oil.

5.0
Rated 5.0 out of 5 stars
Based on 9 reviews
Total 5 star reviews: 9 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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9 reviews
  • Emma H.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    Effective Product

    This has really been a godsend for my coloured and heat damaged hair.

    Easy to apply and makes it look and feel in much better condition.

    Was this helpful?
  • Kwanknit S.
    Verified Buyer
    I recommend this product
    Your Age 45+
    Hair Type Straight
    Hair Concerns Thinning, Hair Loss, Greasy Hair
    Rated 5 out of 5 stars
    3 months ago
    Bouncy No Fizzy!

    I washed and dried my hair before bed, finished my hair routine with this magic little bottle. My long straight fly-away-fizzy hair still look bouncy and sleek until end of the next day!! ⚡️🫶🏼

    Results Rated 2.0 on a scale of minus 2 to 2
    ScentRated 0.0 on a scale of minus 2 to 2
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  • Kathryn L.
    Verified Buyer
    I recommend this product
    Your Age 25-34
    Hair Type Wavy
    Hair Concerns Frizz & Flyaways, Dry Hair, Split Ends , Colour Damaged Hair
    Rated 5 out of 5 stars
    3 months ago
    Love

    Love this product! I used this and the R1 together and my hair instantly looked shiner and healthier!

    Results Rated 2.0 on a scale of minus 2 to 2
    ScentRated 1.0 on a scale of minus 2 to 2
    Was this helpful?
  • Hong
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    I keep this in my bag

    Absolutely a stunner! Leave-in allows my hair adequate time to fully absorb the essence. The bottle is compact and handy for me to carry it in my bag when I am traveling as well!

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  • Kate
    I recommend this product
    Your Age 45+
    Hair Type Curly
    Hair Concerns Frizz & Flyaways, Dull Hair , Colour Damages Hair
    Rated 5 out of 5 stars
    4 months ago
    Curly wiry hair now soft and shiny

    I am a product queen! But since using this R4 leave in, in place of my conditioner after washing, I now only need mousse for styling. My curls are perfectly defined. No frizz, just soft shiny hair. Hooray!

    Results Rated 2.0 on a scale of minus 2 to 2
    ScentRated 2.0 on a scale of minus 2 to 2
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