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

Kérastase Première Concentré Ultra-Réparateur Hair Treatment For Damaged-Hair 8.45 oz
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Kérastase

Kérastase Première Concentré Ultra-Réparateur Hair Treatment For Damaged-Hair 8.45 oz

Current price: $89.00
From Sephora
Roots Hair Treatment
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Lush

Roots Hair Treatment

Current price: $30.00
From LUSH
scalp solutions exfoliating treatment
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Aveda

scalp solutions exfoliating treatment

Current price: $19.00
From Aveda
Hair Rituel Precious Hair Care Oil for Glossiness and Nutrition
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SISLEY PARIS

Hair Rituel Precious Hair Care Oil for Glossiness and Nutrition

Current price: $160.00
From Holt Renfrew
Uppercut Deluxe - Men's Deluxe hair pomade
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Uppercut Deluxe

Uppercut Deluxe - Men's Deluxe hair pomade

Current price: $28.00
From Simons
Moroccanoil Treatment Hair Oil oz/ mL
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Moroccanoil

Moroccanoil Treatment Hair Oil oz/ mL

Current price: $51.50
From Sephora
Jasmine and Henna Hair Treatment
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Lush

Jasmine and Henna Hair Treatment

Current price: $53.00
From LUSH
nutriplenish multi-use hair oil
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Aveda

nutriplenish multi-use hair oil

Current price: $67.00
From Aveda
Regenerating Hair Care Mask with Four Botanical Oils
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SISLEY PARIS

Regenerating Hair Care Mask with Four Botanical Oils

Current price: $150.00
From Holt Renfrew
Uppercut Deluxe - Men's Strong-hold hair clay
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Uppercut Deluxe

Uppercut Deluxe - Men's Strong-hold hair clay

Current price: $28.00
From Simons
Olaplex No. 0 Intensive Bond Building Hair Treatment for Deep Repair & Strengthening
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Olaplex

Olaplex No. 0 Intensive Bond Building Hair Treatment for Deep Repair & Strengthening

Current price: $44.00
From Sephora
Marilyn | Chamomile Hair Lightening Treatment
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Lush

Marilyn | Chamomile Hair Lightening Treatment

Current price: $29.00
From LUSH
damage remedy™ daily hair repair
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Aveda

damage remedy™ daily hair repair

Current price: $57.00
From Aveda
Abeille Royale Scalp & Hair Youth Oil-in-Serum
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GUERLAIN

Abeille Royale Scalp & Hair Youth Oil-in-Serum

Current price: $200.00
From Holt Renfrew
Uppercut Deluxe - Matte hair pomade
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Uppercut Deluxe

Uppercut Deluxe - Matte hair pomade

Current price: $28.00
From Simons
Living Proof Perfect hair Day (PhD) High-Shine Gloss Hair Treatment
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Living Proof

Living Proof Perfect hair Day (PhD) High-Shine Gloss Hair Treatment

Current price: $54.00
From Sephora
Hennaed | Hot Oil Treatment
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Lush

Hennaed | Hot Oil Treatment

Current price: $15.00
From LUSH
Miraculous Oil High-Shine Hair Concentrate
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Aveda

Miraculous Oil High-Shine Hair Concentrate

Current price: $55.00
From Aveda
Gold Lust Nourishing Hair Oil
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ORIBE

Gold Lust Nourishing Hair Oil

Current price: $74.00
From Holt Renfrew
Blind Barber - Men's 90 Proof hair pomade
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Blind Barber

Blind Barber - Men's 90 Proof hair pomade

Current price: $34.00
From Simons
Mini Moroccanoil Treatment Light Hair Oil for Fine Hair 0.85 oz/ 25 mL
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Moroccanoil

Mini Moroccanoil Treatment Light Hair Oil for Fine Hair 0.85 oz/ 25 mL

Current price: $27.00
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
Blind Barber - Men's 80 Proof texturizing style powder
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Blind Barber

Blind Barber - Men's 80 Proof texturizing style powder

Current price: $34.00
From Simons
Moroccanoil Treatment Purple Hair Oil for Blonde Hair 1.7 oz/ 50 ml
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Moroccanoil

Moroccanoil Treatment Purple Hair Oil for Blonde Hair 1.7 oz/ 50 ml

Current price: $51.50
From Sephora