straight hair treatment

Discover a wide range of straight hair treatment products at Square-One, your ultimate destination for all your hair care needs. Shop from a curated selection of high-quality treatments designed to transform your hair into sleek and smooth perfection. Say goodbye to frizz and hello to salon-worthy straight hair with our collection of top-rated products. Whether you're looking for serums, masks, or styling tools, Square-One has everything you need to achieve the straight hair of your dreams. Explore our selection today and get ready to

Roots Hair Treatment
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Lush

Roots Hair Treatment

Current price: $30.00
From LUSH
Kérastase Première Repairing High Shine Oil for Damaged Hair 1 oz
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Kérastase

Kérastase Première Repairing High Shine Oil for Damaged Hair 1 oz

Current price: $67.50
From Sephora
Marilyn | Chamomile Hair Lightening Treatment
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Lush

Marilyn | Chamomile Hair Lightening Treatment

Current price: $29.00
From LUSH
Kérastase Kérastase Iconics Gift Set for All Hair Types
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Kérastase

Kérastase Kérastase Iconics Gift Set for All Hair Types

Current price: $106.00
From Sephora
Jasmine and Henna Hair Treatment
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Lush

Jasmine and Henna Hair Treatment

Current price: $33.00
From LUSH
amika Mini The Kure Intense Strength Repair Mask​ 3.3 oz/ 100 ml
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amika

amika Mini The Kure Intense Strength Repair Mask​ 3.3 oz/ 100 ml

Current price: $35.00
From Sephora
Hennaed | Hot Oil Treatment
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Lush

Hennaed | Hot Oil Treatment

Current price: $15.00
From LUSH
Briogeo Scalp Revival™ Moisture + Detox + Refresh Minis Kit for Dry, Flaky Scalp
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Briogeo

Briogeo Scalp Revival™ Moisture + Detox + Refresh Minis Kit for Dry, Flaky Scalp

Current price: $43.50
From Sephora
Superbalm | Salicylic Acid Ointment Dry Scalp Treatment
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Lush

Superbalm | Salicylic Acid Ointment Dry Scalp Treatment

Current price: $30.00
From LUSH
Shea Intense Repair Hair Mask
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The Body Shop

Shea Intense Repair Hair Mask

Current price: $7.00
From The Body Shop
Briogeo Healthy Hair Delights Gift Set for Scalp-to-Strand Care
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Briogeo

Briogeo Healthy Hair Delights Gift Set for Scalp-to-Strand Care

Current price: $61.00
From Sephora
Banana Truly Nourishing Hair Mask
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The Body Shop

Banana Truly Nourishing Hair Mask

Current price: $20.00
From The Body Shop
H'Suan Wen Hua | Rosemary Oil Dry Hair Treatment LUSH
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Lush

H'Suan Wen Hua | Rosemary Oil Dry Hair Treatment LUSH

Current price: $30.00
From LUSH
Briogeo Scalp Revival™ Rosemary Pre-Wash Scalp and Hair Oil 3.4 fl.oz. / 100 mL
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Briogeo

Briogeo Scalp Revival™ Rosemary Pre-Wash Scalp and Hair Oil 3.4 fl.oz. / 100 mL

Current price: $44.00
From Sephora
Jamaican Black Castor Oil Curl Activator
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The Body Shop

Jamaican Black Castor Oil Curl Activator

Current price: $25.00
From The Body Shop
Renee's Shea Souffle Hair & Scalp Oil
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Lush

Renee's Shea Souffle Hair & Scalp Oil

Current price: $18.00
From LUSH
L'Oréal Professionnel Metal Detox Hair Mask For Hair Repair 8.5 oz / 250 ml
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L'Oréal Professionnel

L'Oréal Professionnel Metal Detox Hair Mask For Hair Repair 8.5 oz / 250 ml

Current price: $67.50
From Sephora
Brain Freeze Fresh Hair Treatment
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Lush

Brain Freeze Fresh Hair Treatment

Current price: $24.00
From LUSH
Kérastase Premiere Repairing Essentials Discovery Gift Set for Damaged Hair
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Kérastase

Kérastase Premiere Repairing Essentials Discovery Gift Set for Damaged Hair

Current price: $70.00
From Sephora
The Faery King Fresh Hair Treatment
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Lush

The Faery King Fresh Hair Treatment

Current price: $24.00
From LUSH
Vegamour Healthy Hair Starter Set
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Vegamour

Vegamour Healthy Hair Starter Set

Current price: $89.00
From Sephora
Ahaa Fresh Scalp Treatment
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Lush

Ahaa Fresh Scalp Treatment

Current price: $22.00
From LUSH
L'Oréal Professionnel Vitamino Color Care Hair Mask 8.5 oz / 250 ml
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L'Oréal Professionnel

L'Oréal Professionnel Vitamino Color Care Hair Mask 8.5 oz / 250 ml

Current price: $62.50
From Sephora
Kérastase Nutritive Hydrating Essentials Discovery Gift Set for Dry Hair
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Kérastase

Kérastase Nutritive Hydrating Essentials Discovery Gift Set for Dry Hair

Current price: $66.00
From Sephora