10 Best Sulfate Free Leave In Conditioner For Keratin Treated Hair of 2025

Tested and Reviewed: Top 10 Sulfate Free Leave In Conditioner For Keratin Treated Hair deals with expert ratings from 8.1 to a perfect 10

June 2026 Edition

Editor's Choice

9.7

Save 18%

CHI

CHI Keratin Leave-in Conditioner, Hydrating Conditioner For Restoring Softness & Preventing Breakage, Great For Daily Use, Sulfate-free, 6 Oz

18% Off

Editor's bottom line:

“This sulfate free leave in conditioner for keratin treated hair is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

RECONSTRUCTS DAMAGED HAIR: The CHI Keratin Leave-in Conditioner is a unique reconstructing treatment, designed to infuse damaged hair with a powerful dose of natural keratin to help rebuild the cuticle.
CHI'S KERATIN LINE: CHIs Keratin products protect against heat damage, which means you can use your flat iron or curling iron without worrying about damaging your hair!
CHI HAIR TREATMENTS: CHI's masques and treatments are luxuriously rich to add strength back to dry, damaged or overworked hair. They deeply nourish and repair hair with essential vitamins and antioxidants that improve hairs overall luster and appearance.
HOW TO USE: Spray evenly throughout the hair and leave in, proceed with styling.
CHI: Founded by Farouk Shami, a hairdresser allergic to ammonia who sought to create the first ammonia-free hair color & has remained committed to crafting the finest ethical haircare. All CHI products are cruelty-free, paraben-free, & sulfate-free.

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Picked by 397 people today

9.5

Save 30%

Pantene

Pantene Keratin Leave-In Conditioner with Argan Oil, Protein Treatment for Dry, Damaged & Color-Treated Hair, Repairs Split Ends & Protects from Damage, Formaldehyde-Free, 8.4 Fl Oz

30% Off

Main Highlights

SMOOTHS AND MOISTURIZES: Restore dry, damaged hair to silky smoothness by reducing frizz and instantly repairing split ends. This formula deeply moisturizes to leave your hair soft and manageable.
KERATIN INFUSED: Enriched with Hydrolyzed Keratin Protein, Argan Oil, and Pro-Vitamin B5, this formula strengthens and nourishes your hair, leaving it smooth, shiny, and resilient.
GET PROTECTED: Strengthen your hair with a formula that forms new hair bonds to help shield strands from damage. Enjoy enhanced protection and resilience for healthier, more durable hair.
SAFE FORMULA: Specially designed for color-treated and chemically damaged hair, this formula is formaldehyde-free, ensuring gentle care while maintaining vibrant color and healthy strands.
LEAVE-IN AND GO: This easy-to-use formula provides instant nourishment and hair repair, allowing you to leave it in and go about your day with beautifully repaired and protected hair.
HOW TO USE: Apply to Damp Hair. Do not Rinse.

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9.5

Save 23%

L'Oreal Paris

L'Oreal Paris 21-in-1 Leave In Conditioner Spray, Sulfate Free, Vegan, EverPure 6.8 fl oz

23% Off

Main Highlights

Moisturizes, protects, and perfects color treated, dry hair with 21 essential benefits
Moisture 21-In-1 Leave-In Conditioner replenishes dry hair with essential moisture, luminous shine, softness, and reduces frizz
21-In-1 multi-benefit moisturizing leave-in conditioner for color treated, dry, dehydrated, and frizzy hair
Formulated without sulfates, parabens, added phthalates, gluten ingredients, DMDM Hydantoin, and dyes
Deeply moisturizes, preps and protects color treated, dry hair, for styling, use Moisture 21-In-1 Leave-In Conditioner prior to styling

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9.2

Save 15%

BELLISSO

Keratin Conditioner – Sulfate and Paraben Free Deep Treatment for Dry, Damaged Hair - Salon Formula - For Curly, Color Treated, Straight and Frizzy Hair – for Women and Men to Repair Split Ends

15% Off

Main Highlights

STRENGTHENING: Its time to say goodbye to broken hair and split ends thanks to Bellissos keratin conditioner. Our deep conditioner for dry damaged hair helps to strengthen on a cellular level by penetrating each strand with protective keratin. Better still, this hydrating conditioner helps prevent further damage
AMAZING SHINE: The secret to how our hair care products for women and men create dazzling shine is the way that the keratin binds to each strand. The keratin in Bellissos deep hair conditioner actively works to smooth flyaways and frizz, leaving you with Hollywood style hair that turns heads
NO SULFATES: Its time to get rid of your old keratin hair treatment that strips moisture and upgrade to a keratin hair conditioner thats gentle on your scalp. This paraben and sulfate free conditioner is suited for the most sensitive skin. Whats more, our keratin conditioner for dry hair is never tested on animals
SALON FORMULA: People love how Bellissos keratin conditioner for damaged hair follows strict salon standards. This womens and mens conditioner has been formulated in conjunction with leading salon specialists. Recommended for daily use, our deep conditioning hair treatment is engineered for expert shine
ALL HAIR TYPES: More than simply a conditioner for frizzy hair, Bellissos keratin formula is suited for all hair types. Ideal as a curly hair conditioner or even a hair conditioner for color treated hair, this advanced solution works with straight, curly and even wavy locks

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9.0

Botanic Hearth

Botanic Hearth Keratin Conditioner with Argan Oil - Sulfate-Free Hair Treatment for All Hair Types, Normal, Dry or Damaged, Color Treated - 16 fl oz

Main Highlights

Botanic Hearth Keratin Hair Conditioner, paraben free and sulfate free, made in USA
Helps smooth frizz and seal in moisture for healthy looking hair. Thoroughly nourish and fortify your hair.
Safety Warning: For external use only. Rub a very small amount on the inside of your elbow area to test for any allergic reaction before use. Avoid contact with eyes, keep out of the reach of children.
Gentle enough for daily use and safe for color-treated hair
Botanic Heart products are not tested on animals

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8.8

VITAMINS hair cosmetics

VITAMINS hair cosmetics Keratin Leave In Conditioner for Thin Hair - Lightweight Moisturizer & Hydrating Detangler Cream for Dry Damaged Hair - Frizz Control & Sulfate Free - 8.5 Fl Oz

Main Highlights

Keratin Boost: This keratin leave in cream revitalizes thin hair, adding volume and shine for a fuller, healthier look; perfect as a leave in conditioner for dry damaged hair
Frizz-Free Finish: Enjoy sleek, polished hair with our keratin leave in conditioner for curly hair, controlling frizz and flyaways without weighing hair down; a true keratin conditioner
Detangling Power: Our keratin leave in treatment makes hair easy to style, preventing knots and shielding against heat and styling damage; use as a leave in conditioner cream
Hydration & Repair: This leave in cream deeply moisturizes and protects damaged, color-treated hair, locking in smoothness and vitality; a great leave in conditioner keratin
Strengthen & Shine: Infused with shine-enhancing ingredients, our keratin hair treatment nourishes hair from root to tip, leaving it sleek, healthy, and vibrant; try our keratin cream for hair

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Best Value

8.6

Save 60%

MAREE

MAREE Leave-In Conditioner for Dry Damaged Hair, Leave-In Conditioner for Curly Hair, Color Treated

60% Off

Main Highlights

Leave-in hair conditioner for fine hair with keratin hair treatment benefits softens and detangles hair. A sulfate free formula ideal for all hair types.
Nourishing dry hair treatment color care with argan oil and vitamins that restore structure and provide anti frizz control.
Curly hair leave in conditioner doubles as a hair moisturizer for effortless styling or air drying. Helps define waves and repair damage.
Hydrating leave-in color conditioner for frizzy hair nourishes from within, protecting from breakage and heat.
Leave in conditioner men and women combines advanced hair repair treatment for damaged hair with a light texture for salon-level haircare.

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8.3

HASK

HASK 5-in-1 Leave-In Conditioner Duo (6oz-Qty 2) & Deep Conditioner Packette, Color Safe, Sulfate-Free, Paraben-Free, Gluten-Free, for All Hair Types (Keratin Smooth)

Main Highlights

Complete Hair Care Solution | Includes 2 HASK Argan Oil 5-in-1 Leave-In Conditioner Sprays (6oz each) and 1 HASK Argan Oil Repairing Deep Conditioner Packette (1.75oz) for a full hair restoration regimen.
5-in-1 Leave-In Conditioner | Moisturizes, detangles, adds shine, controls frizz, provides thermal protection, and helps prevent breakage with every spray.
Deep Repair and Hydration | The Argan Oil Deep Conditioner restores dry, damaged hair while reducing split ends and adding moisture for softer, healthier hair.
Infused with Argan Oil | Rich in omega fatty acids, vitamin E, and antioxidants, argan oil helps repair chemically-treated or color-damaged hair while improving manageability and taming frizz.
Lightweight & Frizz-Free | This leave-in conditioner formula penetrates the hair shaft, leaving hair soft, shiny, and manageable without weighing it down.

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8.1

VITAMINS hair cosmetics

VITAMINS hair cosmetics Keratin Leave in Conditioner for Dry Damaged Hair - Curl Defining Cream for Frizz Control, Detangling & Ultimate Hydration - For Thick Coarse Straight & Curly Hair

Main Highlights

Ultimate Frizz Control: Experience long-lasting sleekness with our keratin hair treatment, designed to tame even the most unruly hair for a polished, confident look
Intense Hydration: Infused with natural oils, our keratin leave in conditioner cream deeply moisturizes and nourishes, leaving your hair soft, shiny, and revitalized
Curl Definition: Define your curls and enhance natural texture with our leave in conditioner for curly hair, providing the perfect balance of moisture and hold for bouncy, frizz-free curls
Damage Repair: Restore and strengthen damaged strands with our hair repair leave in conditioner for dry damaged hair, a protein-rich formula that rebuilds and protects against breakage
Color Safe: Maintain vibrant color and healthy hair shine with our keratin conditioner, specially formulated to protect color-treated hair while providing essential hydration and smoothing benefits

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8.1

Marc Anthony

Marc Anthony Leave-In Hair Conditioner Spray for Long & Detangled Hair, Grow Long - Moisturizing & Deep Conditioning Detangler Spray with Biotin For Split Ends, Breakage & Reduces Frizz

Main Highlights

Long Hair Starts Strong: Marc Anthonys Grow Long Super Fast Strength Leave-In Conditioner is a multitasking spray that helps condition, detangle, and strengthen strands, supporting healthier-looking hair as it grows. 8.45 fl oz
Powered by Ginseng, Biotin & Caffeine: This hydrating and anti-breakage formula supports your hair care goals by energizing hair follicles, supporting hairs strength, and providing protection and antioxidants.
Made for Daily Styling: Spray onto wet or damp hair from roots to ends, comb through, and leave in for smooth, soft, manageable strands every time.
Frizz-Fighting, Strand-Saving Formula: This detangler treatment works to repair visible damage and split ends while taming flyaways to help you achieve those perfect lengths, without limits.
Endless Innovation: With formulas free from harmful sulfates, parabens, and phthalates, the Grow Long collection is perfect for men and women with hair of all types, from curly to colored and everything in between.
Perfected to Play: Marc Anthony believes hair care does not need to be boring, nor does it need to be complicated. Hair can be a source of enjoyment and entertainment. All the styles. All the fun. We do what it takes to make hair play possible.

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Our Best Overall Choice

Best Choice

9.7

CHI

CHI Keratin Leave-in Conditioner, Hydrating Conditioner For Restoring Softness & Preventing Breakage, Great For Daily Use, Sulfate-free, 6 Oz

18% Off

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

RECONSTRUCTS DAMAGED HAIR: The CHI Keratin Leave-in Conditioner is a unique reconstructing treatment, designed to infuse damaged hair with a powerful dose of natural keratin to help rebuild the cuticle.
CHI'S KERATIN LINE: CHIs Keratin products protect against heat damage, which means you can use your flat iron or curling iron without worrying about damaging your hair!
CHI HAIR TREATMENTS: CHI's masques and treatments are luxuriously rich to add strength back to dry, damaged or overworked hair. They deeply nourish and repair hair with essential vitamins and antioxidants that improve hairs overall luster and appearance.
HOW TO USE: Spray evenly throughout the hair and leave in, proceed with styling.
CHI: Founded by Farouk Shami, a hairdresser allergic to ammonia who sought to create the first ammonia-free hair color & has remained committed to crafting the finest ethical haircare. All CHI products are cruelty-free, paraben-free, & sulfate-free.

Show Price

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