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10 Best hair smoothing treatments of 2026

Explore top picks
  • Best Choice

    1

    GK HAIR Global Keratin The Best Consumer Box Kit (10.1 Fl Oz/300ml) Smoothing Keratin Treatment Professional Brazilian Complex Blowout Straightening For Silky Smooth & Frizzy Hair
    GK HAIR
    9.7
    Exceptional

    GK HAIR Global Keratin The Best Consumer Box Kit (10.1 Fl Oz/300ml) Smoothing Keratin Treatment Professional Brazilian Complex Blowout Straightening For Silky Smooth & Frizzy Hair

    • upc:815401016884
    • asin:B08WHJQRGV
    • product dimensions:1.89 x 1.89 x 8.19 inches 10.1 ounces
    • manufacturer:GK HAIR
    • item model number:N/A
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  • Value for Money

    2

    OGC Cosmetics - Brazilian Keratin Treatment Complex Blowout - Organic Care Cosmetics - 8.5 fl oz (250ml) - Hair Straightening
    OGC Cosmetics
    9.5
    Excellent

    OGC Cosmetics - Brazilian Keratin Treatment Complex Blowout - Organic Care Cosmetics - 8.5 fl oz (250ml) - Hair Straightening

    • upc:N/A
    • asin:B09FC17SZ9
    • product dimensions:8.46 x 3.94 x 1.77 inches 8.5 ounces
    • manufacturer:OGC Cosmetics
    • item model number:00001

  • 3

    Olaplex Nº. 6 Bond Smoother: Leave-In Styling Treatment | Smooths, Conditions, & Strengthens | Frizz Control for Up to 72 Hours | For Coily, Curly, Straight, and Wavy, 100 mL / 3.3 Fl Oz
    Olaplex
    9.2
    Excellent

    Olaplex Nº. 6 Bond Smoother: Leave-In Styling Treatment | Smooths, Conditions, & Strengthens | Frizz Control for Up to 72 Hours | For Coily, Curly, Straight, and Wavy, 100 mL / 3.3 Fl Oz

    • is discontinued by manufacturer:No
    • product dimensions:2 x 2 x 3.5 inches; 4.8 ounces
    • upc:896364002954
    • asin:B07PW4MTHV
    • language:English

  • 4

    KERAGEN - Brazilian Smoothing Keratin Hair Treatment, Blowout Straightening System for Dry and Damaged Hair - Forte, Sulfate Free - Eliminates Curls and Frizz, Medium to Coarse Hair (16 Oz)
    KERAGEN
    9.1
    Excellent

    KERAGEN - Brazilian Smoothing Keratin Hair Treatment, Blowout Straightening System for Dry and Damaged Hair - Forte, Sulfate Free - Eliminates Curls and Frizz, Medium to Coarse Hair (16 Oz)

    • is discontinued by manufacturer:No
    • product dimensions:2 x 2 x 8 inches 15.84 ounces
    • country of origin:USA
    • upc:755439921678
    • asin:B011IVFVTO

  • 5

    KERAZON Brazilian Keratin Treatment Buriti Liss Kit 2oz/60ml - At Home Keratin Treatment Smoothing and Straightening - Keratina para Alisar el Pelo - For All Hair Types
    Kerazon Professional
    8.9
    Very Good

    KERAZON Brazilian Keratin Treatment Buriti Liss Kit 2oz/60ml - At Home Keratin Treatment Smoothing and Straightening - Keratina para Alisar el Pelo - For All Hair Types

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  • 6

    K18 Leave-In Molecular Repair Hair Mask - Peptide Hair Treatment Mask for Bleach, Color, Chemical + Heat Damaged Strands - Immediate + Lasting Damage Reversal in 4 Minutes (0.5 Fl oz)
    K18
    8.8
    Very Good

    K18 Leave-In Molecular Repair Hair Mask - Peptide Hair Treatment Mask for Bleach, Color, Chemical + Heat Damaged Strands - Immediate + Lasting Damage Reversal in 4 Minutes (0.5 Fl oz)

    • Form Factor:Leave-In Treatment
    • Patented Technology:K18Peptide
    • Suitable Hair Types:All hair types
    • Application Time:4 minutes
    • Repair Function:Repairs extreme damage from bleach, color, chemicals, and heat

  • 7

    L'Oréal Professionnel Keratin Alpha Sleek Transformer Smooth Transformer - For All Hair Types, Frizz & Volume Control, Instant Hair Shine, With Keratin-Alpha Shaper & Amino Acid Chains
    L'Oréal Professionnel Paris
    8.7
    Very Good

    L'Oréal Professionnel Keratin Alpha Sleek Transformer Smooth Transformer - For All Hair Types, Frizz & Volume Control, Instant Hair Shine, With Keratin-Alpha Shaper & Amino Acid Chains

  • 8

    COLOR WOW Dream Coat Supernatural Spray, 6.7 Fl Oz – Keep Your Hair Frizz-Free and Shiny No Matter the Weather with Award-Winning Anti-Humidity Treatment
    COLOR WOW
    8.5
    Good

    COLOR WOW Dream Coat Supernatural Spray, 6.7 Fl Oz – Keep Your Hair Frizz-Free and Shiny No Matter the Weather with Award-Winning Anti-Humidity Treatment

    • is discontinued by manufacturer:No
    • manufacturer recommended age:0 months and up
    • product dimensions:2.63 x 1.38 x 7 inches; 8.01 ounces
    • asin:B073CWSQ51
    • language:English

  • 9

    Liss Expert Stem Cells Smoothing Treatment – Organic Keratin & Argan Oil – for Frizz-Free Repair & Shine – Professional Straightening(250 ml-Shoulder Length)
    Liss Expert Professional
    8.4
    Good

    Liss Expert Stem Cells Smoothing Treatment – Organic Keratin & Argan Oil – for Frizz-Free Repair & Shine – Professional Straightening(250 ml-Shoulder Length)

    • is discontinued by manufacturer:N/A
    • product dimensions:6 x 6 x 6 inches 8.45 ounces
    • country of origin:USA
    • upc:737633284971
    • asin:B0DCQ9B464

  • 10

    I Belli Capelli Ravenna Repair Hair B-tox -Cirugia Capilar para el Cabello, Formaldehyde-Free- B-tox Capilar Para El Cabello, Long Lasting Anti-Frizz, Smoothing, Btox Hair Treatment 35.2 oz(1kg)
    I Belli Capelli
    8.2
    Good

    I Belli Capelli Ravenna Repair Hair B-tox -Cirugia Capilar para el Cabello, Formaldehyde-Free- B-tox Capilar Para El Cabello, Long Lasting Anti-Frizz, Smoothing, Btox Hair Treatment 35.2 oz(1kg)

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