best keratin deep conditioner

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$29.99($0.89/fluid ounce)

8980

24X STRONGER HAIR*: Repair and resist visible damage from coloring, bleaching, highlighting, styling, heat and more. *System with conditioner vs. non-conditioning shampoo
12.6% KRT™ TECHNOLOGY: Keratin Resistance Therapy hair care, with liquid crystal amino acids, helps to reconstruct bonds from cuticle to cortex for strong, fluid soft, damage-resistant hair
INSTANT REPAIR + DAMAGE SHIELD SYSTEM: This hair conditioner visibly transforms damaged hair in one use and seals cuticle cracks to help prevent future damage
DEEP MOISTURE + SOFTNESS: This Nexxus conditioner for hair damage revives dry, brittle strands for fluid softness, smoothness, and shine without buildup
SMART REPAIR + STYLE-READY: This conditioner for damaged hair targets surface damage where it's needed most while boosting elasticity and manageability for effortless styling
CONSUMER-VALIDATED*:100% of consumers agree this regimen made hair smooth *Based on consumer panel study 7/29/25 with 49 women when using Keraphix Shampoo, Conditioner + Liquid Crystallizer treatment
Scent: Scented
Hair Type: All Hair Types
Health Facts: Aluminum-Free, Paraben-Free, Contains Keratin, Dye-Free
Product Form: Liquid
Beauty Purpose: Strengthening, Damage Repair, Softening, Moisturizing

$4.99

Dove Beauty

1898

INTENSIVE DOVE HAIR REPAIR: The Dove Intensive Repair Deep Conditioner helps to nourish and visibly repair damaged hair – leaving it feeling healthy and strong
DAMAGED HAIR REPAIR: Dove Intensive Repair Strengthening Hair Conditioner for damaged hair deeply nourishes damaged strands when used as a system with Dove Intensive Repair Shampoo
KERATIN HAIR REPAIR ACTIVES: Dove Intensive Repair Shampoo and Conditioner for Damaged Hair System, with Keratin Repair Actives, works immediately to seal and smooth the hair surface
NOURISHING CONDITIONER FOR HEALTHY HAIR: makes hair feel smoother, helps detangling and improves manageability.This conditioner leaves you with visibly smoother and more manageable hair
REDUCES HAIR BREAKAGE:Our Intensive Hair Repairing Conditioner helps to strengthen and reinforce hair against the everyday hair breakages that can be caused by our daily routines
STRENGTHENING CONDITIONER IDEAL FOR DAILY USE HAIR CARE: Whether you’ve been heat styling or hair coloring – with regular use, you'll have hair that feels stronger and healthier
Scent: Scented
Hair Type: All Hair Types
Health Facts: Paraben-Free, Contains Keratin
Product Form: Liquid
Sustainability Claims: Cruelty-Free, Not Tested on Animals
Package Quantity: 1

$4.99($0.62/fluid ounce)

1649

Only ships with $35 orders

PERFECT FOR hair types straight to curly
USE IT TO deeply moisturize, detangle, and prime your hair for styling
FORMULATED WITH avocado oil and moisturizing agents
NO sulfates, parabens, or dyes
FRAGRANCE of light citrus and fresh florals
Scent: Citrus, Floral
Hair Type: Straight, Curly, Dry
Health Facts: Sulfate-Free, Contains Kelp, Paraben-Free, Contains Jojoba Oil, Aluminum-Free, Dye-Free, Contains Avocado
Product Form: Cream
Beauty Purpose: Deep Hydration, Damage Repair, Detangling, Moisturizing
Features: Rinse-Off

$9.99($0.92/fluid ounce)

3914

Only ships with $35 orders

LONG & STRONG Experience up to 90% less breakage
RESILIENT STRANDSThis formula fortifies weak, brittle hair
POWERFUL INGREDIENTS Nourish with the power of Pro-vitamin B5, Biotin, and Collagen
EASY TO USESimply apply in the shower, wait one minute and rinse
SUNNY SCENTInfinite Lengths leaves behind a radiant floral scent
Scent: Floral
Hair Type: Normal
Health Facts: Contains Collagen, Paraben-Free, Contains Biotin, Contains Vitamin E, Dye-Free
Product Warning: Keep out of reach of children
Product Form: Liquid
Beauty Purpose: Damage Repair, Conditioning, Hair Regrowth, Deep Hydration, Strengthening

$5.99($0.21/fluid ounce)

1286

Only ships with $35 orders

PROFESSIONAL QUALITY: Infused with coconut oil, our Bouncy Curls conditioner hydrates and shapes your natural curls enhancing softness and definition.
FREE FROM: This Conditioner is formulated 0% parabens, mineral oil, and DMDM hydantoin and is Certified Cruelty-Free by PETA.
HEAT PROTECTION: Get heat protection that starts in the shower with Bouncy Curls Shampoo & Conditioner.
NEW LOOK, SAME PROFESSIONAL QUALITY: For a limited time, you may receive products with our new or previous packaging design.
REGIMEN USE: After washing with Bouncy Curls Shampoo and Conditioner, apply Bouncy Curls Defining Cream to smooth and fight frizz, and Bouncy Curls Hairspray to lock in style for 24-hour.
STYLE YOUR WAY: You can count on TRESemmé for trend-inspired, professional-grade products designed to maximize ooh la la in the everyday. We’ll be here to help you style your hair (and life) your way.
Scent: Scented
Hair Type: Fine, Frizzy, Curly
Product Form: Liquid
Sustainability Claims: Cruelty-Free, Not Tested on Animals
Package Quantity: 1
Beauty Purpose: Curl Enhancing, Heat Protection, Conditioning, Softening, Detangling, Deep Hydration, Basic Conditioning