10 Best Keratin Hair Treatment Leave In Conditioner in The UK

Last updated on 09/08/2025

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Vitamins Hair Serum Keratin Treatment - Biotin Collagen & Coconut Oil Hydrating Moisturiser for Frizzy Dry Damaged Hair - Anti Frizz Heat Protection for Curly Wavy Straight Locks

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Why We Love It

Transforms hair to silky smooth.
Revives damaged, color-treated hair.
Protects against heat damage.

Main Highlights

ALLURING SALON LIKE SOFT SHINY HAIR - Keratin Rich Moisturiser with Biotin Collagen Castor & Coconut Oils Blend for Instant Fuller Thicker Hair. Professional Enhancing Treatment for Silky Sleek Smooth Luxury Hair
PROTEIN REPAIR FOR COLOURED DRY DAMAGED HAIR - Ultra Recovery Healing Care & Hydrating Therapy for Colour Treated & Damaged Hair. Revives & Restores Manes from Scalp to Roots. Heals Split Ends
PRO STRENGTHENING & THERMAL HEAT PROTECTION SHIELD - Nourishing Moisture Infusion for Stronger Hair. Anti Breakage Protector & Nutrient Solution Prevents Heat & Flat Iron Damage for Wow Gorgeous Hair
PERFECT FRIZZ CONTROL FOR ALL HAIR TEXTURES - Anti Frizz Curl Defining Detangler Eases Tames & Stops Frizz & Flyaways. Anti Humidity Smoothing Softener for Thin Fine Straight Wavy Curly & Extra Thick Hair
NON GREASY WEIGHTLESS MOISTURISING FORMULA - Volumising Water Based Serum Boosts Bounce. Safe Light Leave In Product for Daily Use. No Alcohol. Paraben Sulfate & Cruelty Free. For Men & Women

Olaplex No. 6 Bond Smoother, Leave-In Styling Hair Cream Treatment, Smooths, Conditions, & Strengthens, Frizz Control for Up to 72 Hours, For All Hair Types, 100ml

20% OffFree Shipping

Why We Love It

Smooths and strengthens hair effortlessly.
Effective for all hair types.
Minimal product needed for results.

Main Highlights

Reparation styling cream
For all hair types and textures
Smooths, strengthens, hydrates and protects hair
Only a small amount needed
Heat protect-ant
DEA Free, Aldehydes Free, Formaldehyde Free
Note- Apply to damp or dry hair, mid-length to ends. Comb through and style as desired. Start with 1/2 pump for shoulder-length hair. Use more for longer, thicker hair. Less for fine or short hair

VITAMINS hair cosmetics

Vitamins Keratin Leave In Conditioner Moisturiser - Thin to Normal Hair Care Moisturising Hydrating Anti Frizz Detangler Cream for Dry Damaged Curly Hair

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Why We Love It

Intense luxury haircare experience.
Anti-frizz, sleek shiny hair.
Sulfate and cruelty-free.

Main Highlights

KERATIN & ARGAN THIN HAIR LEAVE IN CONDITIONER - No Rinse Conditioning Hair Cream, Intense Luxury Haircare. Dull Hair Restoring & Strengthening Creme to Hydrate & Revitalise for Wow Effect
SMOOTH SILK SOFT HAIR RECONSTRUCTOR - Professional Intensive Keratin Booster. Extra Revitalising Anti Frizz Cream for Sleek, Shiny, Silky & Flawless Healthy Hair Full of Life. Damage Protection Boost for Frizzy Hair
FLYAWAY & FRIZZ CONTROL TREATMENT - Ultra Restore Hair Revitaliser. Pleasant Scented Detangling Therapy for Split Ends Recovery. Restorative Defrizz & Detangle Anti Breakage Solution for Brittle Hair
HAIR NOURISHMENT RICH IN ANTIOXIDANTS - Nourishing & Repairing Protein Hair Moisture. Total Repair for Extremely Damaged, Dry, Colour Treated, Coloured, Bleached, Permed, Black, Blonde, Straight or Curly Hair
GLOSS & SHINE FINE HAIR PROTECTOR - Safe Keratine Enhance Product. No Weigh Down on Hair. Sulfate, Paraben, Alcohol, Salt & Cruelty Free. Strengthens Hair & Adds Hydration, Glaze & Shimmer

MONÉ Leave in Conditioner Spray - 10-in-1 Benefits with Heat protection for hair - Detangling - Miracle spray deep hair care - Keratin hair treatment - Anti frizz hairspray - All hair types

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Why We Love It

Repairs and protects hair.
Deeply nourishes and conditions.
Perfect heat protection spray.

Main Highlights

MONEPLEX 04 - Professional Keratin based spray with multiple benefits. To be used daily as a detangler or thermoprotective spray. Repairs, Protects, and Cares deeply.
LONG-LASTING NOURISHMENT - Leave-in hair mask, multi-tasking spray. Deeply nourishes and conditions your hair. Use as a conditioner or a leave-in conditioner. This keratin hair treatment is a leave-in keratin hair mask: Silk proteins + 17 amino acids + Provitamin B5.
HEAT PROTECTANT - Up to 220° to use before any additional hair treatment and hair styling
DETANGLING SPRAY & ANTI FRIZZ - Ease combing and styling. From long to curly very tangled hair. Spray on the hair, distribute the cream through your hair using your hands. Detangle the hair with your fingers then a brush if your hair are very tanllged, or just a brush.
DRY DAMAGED HAIR STREGTHENS - A leave in conditioner for dry damaged hair and keratin based hair treatment, to repair and avoid dry and damaged hair.
SPLIT END PROTECTION - To be sprayed daily for healthy and beautiful hair from the roots to the tips.
SHINE AND SMOOTHNESS - A deep conditioner that maintains hair elasticity and bounce. Provides hair shine and smoothness.
EVENS OUT POROUS HAIR - For sleek and beautiful hair. Anti humidity effect thanks to a very thin protection layer offered to your hair. Perfect for curly hair.
COLOUR PROTECTION - Leave in hair mask for coloured hair or natural colours protection. Help dry damaged hair after bleaching
ANTI STATIC - Hair control, no flyaways, full control. For perfectly smooth, silky hair.

Viviscal Hair Thickening Serum for Naturally Thicker & Fuller Looking Hair, Paraben Free Leave In Conditioner with Biotin, Keratin & Marine Collagen, for All Hair Types, 50 ml

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Why We Love It

Provides shiny, thick hair.
Long-lasting, non-greasy application.
Proven by extensive research.

Main Highlights

Viviscal Thickening Hair Serum for women or men contains hair building blocks Biotin and Keratin, plus Marine Collagen and Seaweed extract. A lightweight leave-in treatment that coats each hair strand
The innovative anti-frizz serum moisturises and conditions, leaving hair looking shiny, thick and full. Use after Viviscal Hair Thickening Shampoo and Hair Strengthening Conditioner (sold separately)
Paraben-free, SLS-free and SLES-free haircare, for weightless volume and healthy-looking shine. Easy to apply and long lasting, this non-greasy leave in hair serum can also be used for hair styling
The Viviscal brand is supported by over 25 years of research and development and 7 published clinical trials. The ideal shampoo for dry hair, fine hair, curly hair, thinning hair, oily or normal hair
Discover the range of Viviscal hair supplements for women and men, plus Viviscal shampoo and conditioner, serums, multi vitamins and accessories to encourage strong, healthy-looking hair

KERATIN 10 gum salon LEAVE IN MIRACLE TREATMENT 300ml RSP £19.99

15% Off

Main Highlights

RSP £19.99 MAX

GEO OIL Argan Hair Treatment 200ml - Leave-in Hair Conditioner, Keratin Hair Treatment

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Why We Love It

Repairs dry, damaged hair effectively.
Controls frizz and smooths hair.
Nourishes scalp and protects color.

Main Highlights

DRY, DAMAGED HAIR FORMULA – GEO OIL has added Keratin to repair damage, while the combination of moisturizing oils works away to hydrate your hair. Using GEO OIL Hair Treatments to restore moisture and improve the condition of your hair helps to protect against breakages and split ends as well. The added moisture increases shine and leaves your hair with a silky, soft feel.
ANTI STATIC / FRIZZ CONTROL / SMOOTHING / MOISTURISING - Harsh chemicals in other shampoos and conditioners can cause your hair to dry out and become untamed. GEO OIL is free from parabens, sulphates, silicones and is packed with natural oils to keep your hair soft and in control. Not only does dehydrated hair cause general damage, it also causes frizz and makes your hair hard to control. The nourishing range of oils in our products helps smooth your hair and make it frizz free.
REVITALISES, RETURNS ELASTICITY AND PROTECTS FROM FLAKY SCALP - GEO OIL repairs the hair's natural protective layer and rebuilds tensile strength. Natural elasticity of your hair will return adding strength and reducing breakage. Our kind to skin formula, Free From: Parabens, Silicones, Sulphates, with added natural ingredients such as Argan oil, Coconut oil, Avocado oil, Jojoba oil and Macadamia oil; give your scalp the nourishment it needs to keep your head healthy and fight off dandruff.
PROTECTS YOUR HAIR COLOUR - The sun's UV rays cause fading. Our products contain UVA & UVB filters to protect you from sun damage. Pollution and city grime is bad news all round for your hair. We use Moringa Oil as it provides a natural shield to reduce the deposit of environmental pollutants and prevent their absorption.
EASY TO USE HAIR TREATMENT - Our easy to use leave-in formula has 10 distinct benefits for your hair. Simply apply to damp hair on a daily basis and do not rinse out. Then enjoy all of the benefits.

Maintain. Repair. Protect. by CHI Keratin Leave-in Conditioner 177ml

16% Off

Why We Love It

Revitalizes and restores damaged hair.
Offers intense hydration daily.
Safe, natural and hypoallergenic formula.

Main Highlights

CHI Leave in Conditioner Spray is a reconstructing keratin treatment for damaged hair
A leave in conditioner for damaged hair, it infuses the mane with a powerful dose of natural keratin to help rebuild the cuticle
This keratin conditioner also helps prevent future breakage
As a leave in hair treatment, it adds intense hydration and restores softness. Great for daily use
With 97% natural ingredients, this repair conditioner for hair is low PH, paraben-free, gluten-free, and color safe

It’s a 10 Haircare - Miracle Leave-in Plus Keratin, Conditioner, Lightweight, Reduce Free, Natural Ingredients, 120ml

6% OffFree Shipping

Why We Love It

Effortless application for sleek hair.
Keratin-rich for hair revitalization.
Heat-protectant with natural ingredients.

Main Highlights

LEAVE-IN CONDITIONER - Smooth, sleek, and strong are all simpler than ever thanks to the essential conditioners and effortless spritz-on application of It’s a 10 Miracle Leave-In Conditioner Plus Keratin.
KERATIN - Hair’s most important nutrient, keratin, is a powerhouse of revitalization and strength; replenishing and restoring moisture and shine, enhancing your hair’s natural beauty.
NATURAL INGREDIENTS - Full of natural ingredients including sunflower seed extract, a natural sunscreen that extends the life of colour, and Green Tea Leaf Extract with powerful antioxidants, protecting against environmental damage. Colour Safe and Leaping Bunny Certified.
HOW TO - Spray evenly from mid shaft to ends to towel dried hair. Do not rinse out. Comb through and style as desired. This versatile product can be used straight out of the shower as a detangler or as a heat-protectant spray.
IT’S A 10 HAIRCARE - Taking the guesswork out of finding the perfect haircare regime, It’s a 10 Haircare are all about simplifying haircare. Our hair care products provide exceptional results designed to deliver a combination of 10 benefits - all in one bottle.

CHI Keratin Mist Leave-In Strengthening Treatment 336g

Why We Love It

Strengthens and softens hair.
Offers thermal and color protection.
Promotes shine and manageability.

Main Highlights

Leave-in strengthening treatment that helps provide hair with strength, protection and softness
Protects the hair from daily use of thermal tools, You can also use Keratin Mist before every Color service
Leave-in strengthening treatment for all hair types
Infuses hair with proteins and evens the porosity of the hair shaft
Low pH, paraben-free, gluten-free, color safe hair lotion
It is a leave-in strengthening spray that contains cationic hydration interlink proteins
The strengthening spray protects the hair and preserves its softness and shine
Strengthens hair
Cationic hydration interlink locks in moisture
Adds shine and provides protection and manageability

8.7

Excellent

We scanned 1839 products

We reviewed these offers relevant to the Keratin Hair Treatment Leave In Conditioner within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like VITAMINS hair cosmetics, OLAPLEX, MONÉ, Viviscal, Keratin 10, GEO OIL, CHI, It's a 10, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Keratin Hair Treatment Leave In Conditioner in the market, we considered we took a deep dive into 9196 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Vitamins Hair Serum Keratin Treatment - Biotin Collagen & Coconut Oil Hydrating Moisturiser for Frizzy Dry Damaged Hair - Anti Frizz Heat Protection for Curly Wavy Straight Locks. We love many things about this product by VITAMINS hair cosmetics. What sets it apart from the competition is Transforms hair to silky smooth, Revives damaged, color-treated hair, Protects against heat damage.
The best value product for most shoppers and where user satisfaction is continuously the highest is Olaplex No. 6 Bond Smoother, Leave-In Styling Hair Cream Treatment, Smooths, Conditions, & Strengthens, Frizz Control for Up to 72 Hours, For All Hair Types, 100ml by OLAPLEX based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Keratin Hair Treatment Leave In Conditioner and the best cost-to-value ratio is Olaplex No. 6 Bond Smoother, Leave-In Styling Hair Cream Treatment, Smooths, Conditions, & Strengthens, Frizz Control for Up to 72 Hours, For All Hair Types, 100mlat OLAPLEX with a 20% discount.
Our list of the best Keratin Hair Treatment Leave In Conditioner is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Keratin Hair Treatment Leave In Conditioner in The UK

Related Deals You Might Like for Keratin Hair Treatment Leave In Conditioner

HASK Keratin 5-in-1 Smoothing Leave In Conditioner Spray for all hair types, colour safe, and cruelty-free - 1 175mL Bottle

TRESemmé Lamellar Shine Leave-In Cream Hair Serum with patented Lamellar Technology hair treatment for an ultra-glossy salon finish 200 ml

Pantene Hair Oil and Heat Protection Spray, Leave In Conditioner Detangling Hairspray Treatment With Biotin, Tames Frizz and Protects Against Split Ends, 145ml

OSMO Keratin Dual Action Repair | Intensive Leave-in Treatment | Deep Moisture | Dry, Damaged & Coloured Hair | Vegan. 250ml.

Garnier Hair Food 3-in-1 Hair Treatment Mask, Smooths and Nourishes, For Frizzy & Curly Hair, No Silicones, Vegan Formula, Coconut Oil, Ultimate Blends, 400ml (Packing and Ingredients may vary)

Toni & Guy Leave In Conditioner for Damaged Hair, Controls Frizz & Protects Against Humidity, Perfect for Smoother and Softer Hair, 100ml

Brazilian Hair Tratment Keratin Recharge (Recarga de Queratina) by Embelleze 2.82 oz by Embelleze

Gabri Two Phase Conditioner Spray 400ml, Keratin-Infused Formula, Advanced Repair for Damaged and Weak Hair, Leave-in Conditioner (Keratin)

REVLON PROFESSIONAL EQUAVE HYDRO BI-PHASE DETANGLING CONDITIONER FOR NORMAL TO DRY HAIR, Detangling Conditioner, Leave-In Conditioner With Heat Protection, Hair-Smoothing Leave-In Conditioner – 500 ML

Lorenti Keratin 2Phase Hair Conditioner | Leave-in Spray Conditioning Keratin Therapy | 400 ml

We scanned 1839 products

We concluded that: