Advertising Disclosure
Updated: 21 May 2026

10 Best Deep Conditioners Smoothing

#1 Best Pick
MUK. Deep muk Ultra Soft 1 minute hair treatment for All Types - Hair Treatment Nourishes, Softens, Hair Repair & Improves Elasticity. Hydrating Smoothing Formula for Shine, 200ml

MUK. Deep muk Ultra Soft 1 minute hair treatment for All Types - Hair Treatment Nourishes, Softens, Hair Repair & Improves Elasticity. Hydrating Smoothing Formula for Shine, 200ml

Brand: MUK.
Read more
  • 1-Minute Hair Repair - Fast-acting nourishment softens hair in just 60 seconds. Restores elasticity for all hair types, including curls. Ideal curly hair product for quick results
  • Softness and Shine - Hydrates and strengthens hair, increasing softness and hair shine. Replaces lost nutrients and moisture. Ideal for nourishing curly hair and saturating with moisture
  • Restorative Formula - Contains ingredients that boost softness while restoring elasticity. Hydrates and strengthens hair, replacing lost nutrients. Effective anti frizz hair products for all types
  • Versatile Hair Repair Treatment - Suitable for all hair types, including extensions. Works on medium to coarse textures. Frizz-fighting solutions that deliver results across various hair needs
  • Easy Usage Instructions - Apply to damp hair after shampooing. Process 1-3 minutes based on dryness. Rinse and follow with conditioner if desired. Use weekly as a dry hair care routine
Check latest price on Amazon
#2 Best Value
Shea Moisture Manuka Honey and Marfura Oil Intensive Hydration Conditioner, 384 ml, 13 oz

Shea Moisture Manuka Honey and Marfura Oil Intensive Hydration Conditioner, 384 ml, 13 oz

Brand: Shea Moisture
Read more
  • Product Type: Beauty
  • Package Quantity: 1
  • SHINE: Organic Mafura Oil Blended With Baobab Oil Infuses Hair With Richness And Long Lasting Shine.
  • SMOOTHENS: Certified Organic Raw Shea Butter Blended With Manuka Honey And Oils, Restore Natural Oils & Smoothen Stubborn Curls & Coils
Check latest price on Amazon
#3 Budget Pick
GK HAIR Global Keratin The Best Smoothing Keratin Hair Treatment - Professional Brazilian Complex Blowout Straightening For Silky Smooth & Frizz Free Hair - Formaldehyde Free (The Best 3.4 oz/100ml)

GK HAIR Global Keratin The Best Smoothing Keratin Hair Treatment - Professional Brazilian Complex Blowout Straightening For Silky Smooth & Frizz Free Hair - Formaldehyde Free (The Best 3.4 oz/100ml)

Brand: GK HAIR
Read more
  • HAIR SMOOTHING TREATMENT: The Best rejuvenates hair making it smooth, strong and frizz-free. Treatment lasts 3-5 months. The Best is a salon professional smoothing treatment and can be applied at HOME.
Check latest price on Amazon
#4 Top Choice
HASK Shea Butter Deep Conditioner Treatment for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 50mL Packette

HASK Shea Butter Deep Conditioner Treatment for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 50mL Packette

Brand: HASK
Read more
  • Kit Includes
  • 1 Deep Conditioner to moisturize and strengthen weak hair
  • Anti-Frizz
  • Strengthens and coats damaged strands to smooth frizzy hair. This nourishing blend helps moisturize, seal split ends and reduce breakage for strands that feel strong and intensely hydrated
  • Firebond Complex
  • An innovative technology, scientifically proven to strengthen the hair fibers and reduce breakage by 97% after just 3 uses
  • Nourishing
  • Moisturize & Strengthen Dry, Weak Hair
  • Free Of
  • Sulfates, parabens, phthalates, gluten and drying alcohol. Not tested on animals
Check latest price on Amazon
#5 Popular Choice
Muk Deep Muk Ultra Soft Conditioner 3.38 oz

Muk Deep Muk Ultra Soft Conditioner 3.38 oz

Brand: MUK.
Read more
  • Nourishing Hydration - This hydrating conditioner restores moisture and nutrients to hair, providing essential hydration and detangling for smoother, more manageable locks
  • Instant Smoothing - Deep muk Ultra Soft Conditioner hair replenishes vital nutrients and moisture, instantly smoothing and detangling hair for effortless styling
  • Enhanced Manageability - This hair care product enhances softness, shine, and manageability, leaving your locks looking lustrous and feeling silky smooth
  • Versatile Formula - Suitable for all hair types, including curls and extensions, this curl conditioner nourishes without weighing down or causing buildup
  • Easy Application - Apply this moisture conditioner to damp hair after shampooing with Deep muk Ultra Soft Shampoo. Leave for up to 5 minutes when extra conditioning is needed. Rinse thoroughly
Check latest price on Amazon
#6 Top Pick
HASK Keratin Smoothing 5-in-1 Leave-In Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 175 mL Bottle

HASK Keratin Smoothing 5-in-1 Leave-In Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 175 mL Bottle

Brand: HASK
Read more
  • Over styled?
  • Give damaged, over-processed hair a miracle makeover with the HASK Keratin Smoothing Collection designed to restore, revive, and strengthen parched, frizzy locks
  • Infused with hydrolyzed keratin
  • Reducing frizz and blocking humidity, this shampoo gently cleanses, leaving even the most unruly hair soft and revitalized with incredible shine
  • Super strength
  • Keratin works to coat the hair shaft, reducing split ends and improving the hair’s appearance and manageability
  • Includes
  • 1 6oz Bottles of 5-in-1 Leave-In Conditioning Sprays to smooth and control frizz, detangle to prevent breakage, boost shine, hydrate and soften, and provide thermal protection
Check latest price on Amazon
#7 Top Pick
HASK Argan Oil Repairing Deep Conditioner Treatment for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 50mL Packette

HASK Argan Oil Repairing Deep Conditioner Treatment for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 50mL Packette

Brand: HASK
Read more
  • Repairing Argan Oil
  • This deep conditioner is a super strengthening, hydrating treatment that will repair the look of dry, damaged and over-processed hair
  • Reduce Split Ends
  • Formulated with argan oil, unique to Morocco, to help reduce split-ends and leave the most damaged hair soft and nourished
  • How to Use
  • Apply a generous amount of deep conditioner to clean, wet hair. Massage into hair focusing on damaged areas. Leave on for 10 minutes. Rinse well. Style as usual. Ideal for use 1-2 times per week, or as needed
  • Free Of
  • Silicones, sulfates, parabens, phthalates, gluten, drying alcohol and artificial colours
  • Country of Origin: United States
Check latest price on Amazon
#8 Top Pick
MUK. Deep muk Ultra Soft Hair Conditioner - Moisturising conditioner for All Hair Types. Instantly Detangles, Nourishes & Smooths. Deep Conditioner Enhances Shine & Manageability, 300ml

MUK. Deep muk Ultra Soft Hair Conditioner - Moisturising conditioner for All Hair Types. Instantly Detangles, Nourishes & Smooths. Deep Conditioner Enhances Shine & Manageability, 300ml

Brand: MUK.
Read more
  • Nourishing Hydration - This hydrating conditioner restores moisture and nutrients to hair, providing essential hydration and detangling for smoother, more manageable locks
  • Instant Smoothing - Deep muk Ultra Soft Conditioner hair replenishes vital nutrients and moisture, instantly smoothing and detangling hair for effortless styling
  • Enhanced Manageability - This hair care product enhances softness, shine, and manageability, leaving your locks looking lustrous and feeling silky smooth
  • Versatile Formula - Suitable for all hair types, including curls and extensions, this curl conditioner nourishes without weighing down or causing buildup
  • Easy Application - Apply this moisture conditioner to damp hair after shampooing with Deep muk Ultra Soft Shampoo. Leave for up to 5 minutes when extra conditioning is needed. Rinse thoroughly
Check latest price on Amazon
#9 Top Pick
HASK Keratin Smoothing Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 335 mL Bottle

HASK Keratin Smoothing Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 335 mL Bottle

Brand: HASK
Read more
  • Kit Includes
  • 1 Conditioner to refresh and revitalize
  • Overstyled?
  • Give damaged, over-processed hair a miracle makeover with the HASK Smoothing Collection designed to restore, revive and strengthen parched, frizzy locks
  • Infused with Hydrolyzed Keratin
  • Reducing frizz and blocking humidity, this shampoo gently cleanses, leaving even the most unruly hair soft and revitalized with incredible shine
  • Super Strength
  • Keratin works to coat the hair shaft, reducing split ends and improving the hair’s appearance and manageability
  • Free Of
  • Sulfates, parabens, phthalates, gluten and drying alcohol. Not tested on animals
Check latest price on Amazon
#10 Top Pick
HASK Keratin Smoothing Deep Conditioner Treatment for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 50mL Packette

HASK Keratin Smoothing Deep Conditioner Treatment for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 50mL Packette

Brand: HASK
Read more
  • Smoothing Keratin
  • This deep conditioner is an ultra-restorative smoothing treatment that leaves all hair types feeling moisturized, looking shiny and frizz-free
  • Reduce Breakage
  • Keratin helps to repair damage, reduce breakage and static. Perfect for over-processed and colour-treated hair
  • Fruity Floral Scent
  • Experience the fresh fruity floral scent of HASK Keratin Smoothing collection to awaken your senses
  • How to Use
  • Apply a generous amount of deep conditioner to clean, wet hair. Massage into hair focusing on damaged areas. Leave on for 10 minutes. Rinse well. Style as usual. Ideal for use 1-2 times per week, or as needed
  • Free Of
  • Sulfates, parabens, phthalates, gluten and drying alcohol. Not tested on animals
Check latest price on Amazon

More products you might like!!