Leave-In Treatments
Explore our wide range of leave-in treatments, specially formulated for every hair type—whether it’s damaged, blonde, curly, coloured, or dry & frizzy. No matter your hair’s needs, we’ve got the perfect match to nourish, protect, and revive your locks.
Leave-In Treatments
Explore our wide range of leave-in treatments, specially formulated for every hair type—whether it’s damaged, blonde, curly, coloured, or dry & frizzy. No matter your hair’s needs, we’ve got the perfect match to nourish, protect, and revive your locks.
Showing 1–150 of 332 resultsSorted by popularity
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Eleven Miracle Hair Treatment 125ml
$37.00 -
Olaplex No.3 Hair Perfector 100ml
Original price was: $68.00.$49.95Current price is: $49.95.Save 27% -
K18 Leave-In Molecular Repair Mask 50ml
$149.00 -
K18 Leave-In Molecular Repair Mask 15ml
$60.00 -
Eleven Miracle Hair Treatment 125ml Duo
Original price was: $74.00.$62.90Current price is: $62.90.Save 15% -
Milk Shake Incredible Milk 150ml
$39.95 -
Milk Shake Leave-In Conditioner 350ml
$38.95 -
De Lorenzo Instant Rejuven8 The Ends 120ml
$28.00 -
Malibu Hard Water Treatment Sachet 5g
$10.00 -
Davines OI All In One Milk 135ml
$60.90 -
Eleven Miracle Hair Treatment 10ml
$4.00 -
Moroccanoil Original Treatment 100ml
$89.10 -
Pureology Color Fanatic Multi Tasking Leave In Spray 200ml
$56.00 -
Olaplex No.0 Intensive Bond Building Hair Treatment 155ml
Original price was: $60.00.$49.95Current price is: $49.95.Save 17% -
Wella SP Luxeoil Reconstructive Elixir 100ml
$59.99 -
Davines OI Oil 135ml
$82.50 -
Milk Shake Incredible Milk Travel 50ml
$15.95 -
Angel Helichrysum Wakening Hydration Cream 100g
$49.90 -
Milk Shake Whipped Cream 200ml
$38.95 -
Redken Extreme Anti Snap 240ml
$44.99 -
Milk Shake Curl Passion Leave-in Conditioner 300ml
$39.95 -
Redken One United Multi Benefit Treatment Spray 150ml
$39.99 -
K18 Leave-In Molecular Repair Mask Dose 5ml
$28.00 -
Matrix Miracle Creator Leave In Spray 200ml
$29.99 -
New!
Nak Platinum Blonde Trio
$79.99 -
New!
Nak Nourish Trio
$79.99 -
Kevin Murphy Young Again Treatment Oil 100ml
$85.00 -
Paul Mitchell The Conditioner 300 mL
$32.00 -
Eleven Miracle Hair Spray Treatment 125ml
$42.00 -
Redken All Soft Argan-6 Oil 111ml
$51.00 -
Moroccanoil Original Treatment 25ml
$31.20 -
Kevin Murphy Shimmer Me Blonde 100ml
$65.00 -
Goldwell Rich Repair Restoring Serum Spray 150ml
$34.00 -
Redken Acidic Bonding Concentrate Leave-In Treatment 150ml
$54.99 -
K18 Molecular Repair Oil 30ml
$125.00 -
Evo Whip It Good Moisture Mousse 200ml
$47.00 -
Milk Shake Silver Shine Whipped Cream 200ml
$39.95 -
Davines OI Oil Travel 50ml
$46.90 -
Angel Rosemary (Hair Regrowth) Bundle
Original price was: $138.70.$117.89Current price is: $117.89.Save 15% -
Davroe CURLiCUE Hydrating Hair Oil 50ml
$44.95 -
De Lorenzo Prescriptive Solutions Intense Moisture Repair 125ml
$28.90 -
New!
Angel Deep Sea Colour Protect Trio
$65.80 -
Milk Shake Integrity Incredible Oil 50ml
$63.95 -
New!
Eleven Hydrate Trio
$78.00 -
BC Clean Performance Repair Rescue Sealed Ends+ 100ml
$37.50 -
Angel Iris Restorative Treatment 150ml
$38.90 -
Moroccanoil Light Treatment 100ml
$89.10 -
Pure Organic Precious Ends 150ml
$41.50 -
Davroe Luxe Leave-In Masque 150ml
$38.95 -
Olaplex No.5 Leave in Conditioner 100ml
Original price was: $68.00.$49.95Current price is: $49.95.Save 27% -
Lust Luxury Oil 50ml
$39.00 -
Redken Acidic Bonding Concentrate Intensive Treatment 150ml
$49.99 -
KMS MoistRepair Leave-In Conditioner 150ml
$38.00 -
Goldwell Rich Repair 6 Effects Serum 100ml
$34.00 -
Angel Tea Tree Kids Detangler 200ml
$27.90 -
Redken Extreme Bundle
Original price was: $136.98.$116.43Current price is: $116.43.Save 15% -
Loreal Vitamino Color Trio
$99.00 -
Wella Invigo Nutri Enrich Frizz Control Cream 150ml
$46.00 -
Milk Shake Argan Oil 50ml
$59.95 -
Kevin Murphy Leave-In Repair 200ml
$85.00 -
O&M Know Knott Detangler 250ml
$45.00 -
Davroe CURLiCUE Bundle
Original price was: $149.85.$127.37Current price is: $127.37.Save 15% -
Goldwell Blonde & Highlights Brilliance Serum Spray 150ml
$34.00 -
Paul Mitchell Curls Full Circle Leave In Treatment 150 mL
$36.00 -
Malibu Swimmers Treatment Sachet 5g
$10.00 -
Loreal Absolut Repair 10-in-1 Oil 90ml
$44.99 -
Nak Daily Detangle Leave-In Conditioner 200ml
$23.45 -
Juuce 20 in One Miracle Leave In Treatment 200ml
$33.00 -
Redken All Soft Bundle
Original price was: $143.48.$121.96Current price is: $121.96.Save 15% -
Wella Ultimate Repair Miracle Hair Rescue Treatment 30ml
$62.00 -
Lust Repair/Leave In Treatment Trio
$69.90 -
Color Wow Dream Cocktail Coconut Treatment – Dry Hair 200ml
$46.99 -
Davines Love Curl Bundle
Original price was: $152.50.$129.62Current price is: $129.62.Save 15% -
Angel Inca Inchi Oil Leave in Hair Vitamins (8ml x 40 capsules)
$38.90 -
K18 Shield & Repair Bundle (Damage Shampoo, Conditioner, Mask)
Original price was: $307.00.$260.95Current price is: $260.95.Save 15% -
Joico HydraSplash Leave-In 100 mL
$36.99 -
Lust Leave In Treatment 175ml
$36.00 -
Epres Bond Repair Treatment Kit
$120.00 -
De Lorenzo Infinite Detangler 250ml
$30.00 -
Goldwell Bond Pro Repair & Structure Spray 150ml
$34.00 -
Kevin Murphy Un Tangled 150ml
$65.00 -
Davines Oi Bundle
Original price was: $191.70.$162.94Current price is: $162.94.Save 15% -
Muk Head 20 in 1 Miracle Treatment 200ml
$37.95 -
Fudge One Shot Treatment 150ml
$34.00 -
Moroccanoil Light Treatment 25ml
$31.20 -
Davroe Tame Lemongrass Detangler 300ml
$38.95 -
Redken Acidic Bonding (Leave In) Bundle
Original price was: $173.00.$147.05Current price is: $147.05.Save 15% -
Milk Shake Curl Bundle
Original price was: $125.85.$106.97Current price is: $106.97.Save 15% -
Fanola No Yellow Incredible Foam Conditioner 250ml
$48.30 -
De Lorenzo Instant Restructurant 200ml
$30.00 -
Davroe Moisture Bundle
Original price was: $126.85.$107.82Current price is: $107.82.Save 15% -
Redken Extreme Length Sealer Leave in Treatment 150ml
$51.00 -
New!
Eleven Repair Trio
$78.00 -
Goldwell Curls & Waves Bundle
Original price was: $102.00.$86.70Current price is: $86.70.Save 15% -
Nak Replends Creme Leave in Moisturiser 150ml NEW
$37.99 -
Nioxin System 2 Trial Kit
$64.99 -
Malibu Blondes Treatment Sachet 5g
$10.00 -
K18 Heatbounce Conditioning Heat Protectant 118ml
$115.00 -
K18 AstroLift Reparative Volume Spray 118ml
$115.00 -
Malibu Swimmers Treatment Kit
$88.00 -
Malibu Miracle Repair Hair Reconstructor Sachet 12g
$10.00 -
Davroe Replenish Jojoba Creme Treatment 200ml
$38.95 -
Nioxin System 2 Leave In Treatment 100ml
$51.99 -
Goldwell Rich Repair Bundle
Original price was: $102.00.$86.70Current price is: $86.70.Save 15% -
Redken Extreme Play Safe 200ml
$42.99 -
Goldwell Bond Pro Day & Night Bond Booster 75ml
$34.00 -
Joico Blonde Life Brilliant Glow Oil 100 mL
$44.50 -
Epres Bond Repair Treatment Refill
$79.00 -
Pureology Strength Cure Miracle Filler 150ml
$57.00 -
Davines Oi All In One Milk Travel 50ml
$27.50 -
K18 Shield, Repair & Shine Bundle (Damage Shampoo, Mask, Oil)
Original price was: $353.00.$300.05Current price is: $300.05.Save 15% -
Davines Nou Nou Bundle
Original price was: $149.90.$127.41Current price is: $127.41.Save 15% -
Milk Shake Glistening Milk 100ml
$35.95 -
Color Wow Dream Cocktail Kale Treatment – Repair 200ml
$46.99 -
Evo Happy Campers Wearable Treatment 200ml
$47.00 -
Lust Hair Beauty Cream 175ml
$39.00 -
Redken Extreme CAT Treatment 200ml
$51.00 -
Milk Shake Toning Spray Icy Blonde 100ml
$41.95 -
System Professional Fibra Luxeoil Oil Reconstructive Elixir 100 mL
$89.00 -
Angel Grapefruit Purified Soften Spray 200ml
$38.90 -
Pureology Strength Cure Split End Salve 50ml*
$57.00 -
Kevin Murphy Killer Curls Bundle
Original price was: $195.00.$165.75Current price is: $165.75.Save 15% -
Wella Ultimate Repair Complete 4-Step Bundle
Original price was: $245.30.$208.50Current price is: $208.50.Save 15% -
Milk Shake Integrity Nourishing Bundle
Original price was: $112.55.$95.67Current price is: $95.67.Save 15% -
Juuce Repair Smooth Enz Leave In Treatment 150ml
$33.00 -
New!
Lust Blonde/Leave In Treatment Trio
$69.90 -
Biolage Hydrasource Daily Leave-In Tonic 400ml
$46.00 -
Nioxin System 4 Trial Kit
$64.99 -
Davines Momo Bundle
Original price was: $156.90.$133.36Current price is: $133.36.Save 15% -
De Lorenzo Rejuven8/The Ends Trio
$59.90 -
Davines Dede Hair Mist 250ml
$56.90 -
Evo Baby Got Bounce Curl Treatment 200ml
$57.00 -
Evo Lockdown Leave-in Smoothing Treatment 150ml
$57.00 -
Davroe Fortitude Bond Building Elixir 95ml
$42.95 -
De Lorenzo Protein Complex 250ml
$36.00 -
De Lorenzo Prescriptive Solutions Revive Moisture Repair 125ml
$28.90 -
Wella SP Luxeoil Reconstructive Elixir 30ml
$34.50 -
Milk Shake Whipped Cream Travel 50ml
$15.95 -
Wella Ultimate Repair Miracle Hair Rescue Treatment 95ml
$168.00 -
Paul Mitchell Taming Spray 250 mL
$29.00 -
Davroe Smooth & Curl Bundle
Original price was: $137.85.$117.17Current price is: $117.17.Save 15% -
Loreal Absolut Repair Bundle
Original price was: $144.00.$122.40Current price is: $122.40.Save 15% -
Wella Fusion Bundle
Original price was: $135.00.$114.75Current price is: $114.75.Save 15% -
Angel Orange Flower Conditioning Mousse 200ml
$37.90 -
Color Wow Color Control Purple Mousse 200ml
$55.95 -
Moroccanoil Mending Infusion 75ml
$64.70 -
Evo Hydrate Bundle (The Therapist + The Great Hydrator)
Original price was: $135.00.$114.75Current price is: $114.75.Save 15% -
Kevin Murphy Angel Masque 200ml
$85.00 -
Wella Invigo Nutri Enrich Wonder Balm 150ml
$46.00 -
Clever Curl Curl Oil 100ml
$62.70
Frequently Asked Questions
Q. What is a leave-in hair treatment?
A leave-in hair treatment is a no-rinse product that stays in your hair after washing. Unlike rinse-out masks or conditioners, it’s applied to damp or dry hair and left in to deeply nourish, repair, protect, and strengthen strands throughout the day. These treatments address concerns like breakage, frizz, heat damage, and dullness – making them a key step in any effective haircare routine.
Q. How often should I use a leave-in hair treatment?
You can use most leave-in hair treatments every time you wash your hair. For best results, apply them to towel-dried hair before heat styling or air drying. If your hair is dry, damaged, or colour-treated, using a leave-in treatment two to three times a week – or even daily – can help maintain strength, softness, and manageability.
Q. Should I wash out my leave-in hair treatment?
No – leave-in treatments are meant to stay in your hair to provide ongoing benefits. There’s no need to rinse them out. Just apply as directed (typically to damp hair), then style as usual. Washing the treatment out too soon will limit its effectiveness.
Q. What is the best leave-in hair treatment?
The best leave-in treatment depends on your hair type and goals. Some of our most popular options at Synergy Hair include:
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Milk_Shake Incredible Milk – A cult-favourite 12-in-1 treatment that repairs, detangles, protects, and adds shine.
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Angel Helichrysum Wakening Hydration Cream – Perfect for dry or damaged hair, this cream delivers moisture and smooths frizz.
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Moroccanoil Original Treatment – A multitasking, argan oil-infused formula that smooths, detangles, conditions, and enhances shine by up to 118%.
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K18 Leave-In Molecular Repair Mask (50ml) – The viral peptide-powered treatment that clinically reverses hair damage in just four minutes.
