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quaternium-91

quaternium-91 appears on this product’s ingredient list. Open its page to learn what it does and see other formulas that share it.

Products with quaternium-91

47 products in the marketplace list this ingredient.

11 in 1 Magical Leave-In Treatment

11 in 1 Magical Leave-In Treatment

Pacifica

$14

We have created some major magic in this biotechnology-meets-nature formula. Our weightless, leave-in conditioning treatment with 11 super-charged benefits and 11 super-powered plant-based ingredients cares for dry, damaged hair delivering instant and long-term results.

4.5407 reviews
Curl Travel Set

Curl Travel Set

OUAI

$66

Pack your curl routine: Curl Crème, Leave In Conditioner, Bond Repair Balm and Detox Shampoo for hydration, definition and heat protection on the go.

4.537 reviews
Leave In Conditioner Melrose Place

Leave In Conditioner Melrose Place

OUAI

$32

A multi-tasking Leave In Conditioner that detangles, hydrates, fights frizz & protects hair from heat damage. Available in velvety-rich & rosy Melrose Place scent. Protects hair from heat damage up 450°F/232°C. When used with heat reduces hair breakage by 52%.

4.8343 reviews
Leave In Conditioner Melrose Place - Travel

Leave In Conditioner Melrose Place - Travel

OUAI

$18

A multi-tasking travel size Leave In Conditioner that detangles, hydrates, fights frizz & protects hair from heat damage. Available in velvety-rich & rosy Melrose Place scent. Protects hair from heat damage up 450°F/232°C. When used with heat reduces hair breakage by 52%.

4.7326 reviews
Leave in Conditioner North Bondi

Leave in Conditioner North Bondi

OUAI

$32

A multi-tasking Leave In Conditioner that detangles, hydrates, fights frizz & protects hair from heat damage. Available in fresh & energizing North Bondi scent. Protects hair from heat damage up 450°F/232°C. When used with heat reduces hair breakage by 52%.

4.6309 reviews
Leave in Conditioner North Bondi - Travel

Leave in Conditioner North Bondi - Travel

OUAI

$18

A multi-tasking travel size Leave In Conditioner that detangles, hydrates, fights frizz & protects hair from heat damage. Available in fresh & energizing North Bondi scent. Protects hair from heat damage up 450°F/232°C. When used with heat reduces hair breakage by 52%.

4.5292 reviews
Leave In Conditioner St Barts Scent

Leave In Conditioner St Barts Scent

OUAI

$32

A multi-tasking Leave In Conditioner that detangles, hydrates, fights frizz & protects hair from heat damage. Available in beachy & tropical St. Barts scent. Protects hair from heat damage up 450°F/232°C. When used with heat reduces hair breakage by 52%. St.

4.4275 reviews
Leave In Conditioner St Barts Scent - Travel

Leave In Conditioner St Barts Scent - Travel

OUAI

$18

A multi-tasking travel size Leave In Conditioner that detangles, hydrates, fights frizz & protects hair from heat damage. Available in beachy & tropical St. Barts scent. Protects hair from heat damage up 450°F/232°C. When used with heat reduces hair breakage by 52%. St.

4.8258 reviews
Leave In Lovers Trio

Leave In Lovers Trio

OUAI

$96

Explore North Bondi, Melrose Place and St. Barts in our Leave In Conditioner trio. Detangles, fights frizz and protects against heat up to 450°F plus free hair ties.

4.6224 reviews
Daily Hydro™ Hydrating Conditioner

Daily Hydro™ Hydrating Conditioner

Act+Acre

$38

A hydrating, silicone-free conditioner powered by 5% Tilicine® and Hyaluronic Acid to repair, smooth frizz, and strengthen hair over time. Designed to lock in hydration and improve softness for healthier, shinier hair.

4.7156 reviews
Daily Hydro™ Hydration System

Daily Hydro™ Hydration System

Act+Acre

$98

A 3-step hydration routine to restore moisture, reduce frizz, and visibly repair damage while preventing future breakage. Powered by Tilicine® and Hyaluronic Acid to deeply hydrate the scalp and hair shaft, this system works to replenish moisture, smooth texture, and strengthen strands from root to tip.

4.8173 reviews
frizz fighters set | anti-frizz shampoo, conditioner + treatment

frizz fighters set | anti-frizz shampoo, conditioner + treatment

amika

$52

3 steps for 3 days without frizz* what is the hydration heavyweights hydrating wash + care set? everything you need to get over a weekend’s worth of smooth hair.

4.684 reviews
hydro rush | intense moisture conditioner for dry hair

hydro rush | intense moisture conditioner for dry hair

amika

$28

wash your way to 3x more hydration* + 72 hour* moisture with this silicone-free conditioner. what is hydro rush moisture conditioner? rush into a relationship with long-lasting moisture. infused with hyaluronic acid and squalane, this hydrating conditioner drenches hair with 3x more hydration*.

4.6174 reviews
hydro rush | intense moisture leave-in conditioner

hydro rush | intense moisture leave-in conditioner

amika

$31

spray your way to 3x more hydration* while detangling + reducing frizz. what is hydro rush intense moisture leave-in conditioner? rush into a relationship with long-lasting moisture.

4.4140 reviews
mirrorball | high shine + protect antioxidant conditioner

mirrorball | high shine + protect antioxidant conditioner

amika

$28

what is mirrorball high shine + protect antioxidant conditioner? get shiny hair from every angle. this antioxidant-rich conditioner boosts brilliant shine by 45%* and removes 57%* pollution buildup that would otherwise block a shiny, healthy hair look.

4.721 reviews
HYDR-8 Deep Moisture Repair Mask

HYDR-8 Deep Moisture Repair Mask

Vegamour

$46

Delivers deep hydration and repairs dry, damaged hair.

4.6254 reviews
HYDR-8 Intensive Repair Kit

HYDR-8 Intensive Repair Kit

Vegamour

$120

Smooths, repairs and protects for frizz-free hair.

4.7326 reviews
The Protective Type Frizz-Smoothing Heat Protectant Styling Cream

The Protective Type Frizz-Smoothing Heat Protectant Styling Cream

Fenty Skin

$31

The only frizz-smoothing heat protectant styling cream you need for silk presses, blowouts + diffusing with up to 450°F of heat protection + always-on repair.

4.6104 reviews
The Richer One Moisture Repair Deep Conditioner

The Richer One Moisture Repair Deep Conditioner

Fenty Skin

$32

Slip into a luxurious life with Fenty Hair's extra-rich deep conditioner, an ultra-hydrating and nourishing formula to help repair dry, damaged hair.

4.7121 reviews
Taming Cream 5.1oz

Taming Cream 5.1oz

Harry's

$9

Designed to tame curly, coarse, and thick hair types Keeps your natural look intact Soft hold, natural finish Conditioning ingredients leave hair feeling soft, never stiff P.S. If you’re looking for something different, we recommend checking out our full line of hairstyling products

4.863 reviews
N°.3PLUS COMPLETE REPAIR TREATMENT

N°.3PLUS COMPLETE REPAIR TREATMENT

Olaplex

$34

Discover OLAPLEX No.3PLUS Hair Repair Treatment for all hair types. This 3-minute pre-wash rebuilds softer, stronger strands from the inside out to restore healthier, more resilient hair.

4.8233 reviews
N°.3PLUS COMPLETE REPAIR TREATMENT

N°.3PLUS COMPLETE REPAIR TREATMENT

Olaplex

$34

A 3-minute pre-shampoo treatment to quickly repair damage before cuts and blowouts.

4.4250 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER FULL SIZE

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER FULL SIZE

Olaplex

$17

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.7156 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER FULL SIZE

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER FULL SIZE

Olaplex

$34

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.4360 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER JUMBO

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER JUMBO

Olaplex

$58

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.6394 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER LITER

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER LITER

Olaplex

$48

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.5122 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER LITER

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER LITER

Olaplex

$96

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.5377 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER TRAVEL SIZE

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER TRAVEL SIZE

Olaplex

$8

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.6139 reviews
Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER TRAVEL SIZE

Nº.5 BOND MAINTENANCE™ STRENGTHENING CONDITIONER TRAVEL SIZE

Olaplex

$16

KEY BENEFITS Repairs everyday damage and defends against future breakage Strengthens and reinforces bonds for more resilient hair Replenishes hydration and enhances softness Dramatically improves detangling and manageability Clinically proven to boost shine and reduce frizz Dermatologist Tested. Vegan.

4.7411 reviews
PRO EXCLUSIVE: N°.3PLUS COMPLETE REPAIR TREATMENT

PRO EXCLUSIVE: N°.3PLUS COMPLETE REPAIR TREATMENT

Olaplex

$48

A 3-minute pre-shampoo treatment to quickly repair damage before cuts and blowouts.

4.5267 reviews
PRO EXCLUSIVE: Nº.2 BOND PERFECTOR 2000ML BACKBAR

PRO EXCLUSIVE: Nº.2 BOND PERFECTOR 2000ML BACKBAR

Olaplex

$140

Apply after rinsing highlights for color from hair. Suitable for over 140 applications. It can be used in a range of different ways on virgin or chemically treated hair to repair or protect your hair.

4.5237 reviews
PRO EXCLUSIVE: Nº.2 BOND PERFECTOR®

PRO EXCLUSIVE: Nº.2 BOND PERFECTOR®

Olaplex

$72

(US)

4.746 reviews
PRO EXCLUSIVE: ORIGINAL BOND BUILDING KIT

PRO EXCLUSIVE: ORIGINAL BOND BUILDING KIT

Olaplex

$198

(US)

4.7186 reviews
PRO EXCLUSIVE: ORIGINAL BOND BUILDING KIT - Travel Size

PRO EXCLUSIVE: ORIGINAL BOND BUILDING KIT - Travel Size

Olaplex

$65

(US)

4.6169 reviews
PRO EXCLUSIVE: SALON INTRO KIT

PRO EXCLUSIVE: SALON INTRO KIT

Olaplex

$198

Steps one and two of the revolutionary, three-step OLAPLEX professional system in a salon introductory kit. OLAPLEX enables you to lighten hair to levels never thought possible before, without compromising the integrity of the hair. The Salon Intro Kit is perfect for in-salon use for up to 140 applications.

4.7271 reviews
PRO EXCLUSIVE: TRAVELING STYLIST KIT

PRO EXCLUSIVE: TRAVELING STYLIST KIT

Olaplex

$65

Steps one & two of the revolutionary, three-step OLAPLEX professional system in a convenient travel kit. OLAPLEX lets you lighten your client’s hair to levels never thought possible before, without compromising the integrity of the hair. Traveling Stylist Kit is perfect for on-location use for up to 30 applications.

4.6254 reviews
STRENGTHEN + REPAIR VALUE SET

STRENGTHEN + REPAIR VALUE SET

Olaplex

$234

KEY BENEFITS Immediately softer, stronger, more conditioned hair Repairs, strengthens, and hydrates all hair Clinically proven to rebuild broken bonds Detangles, smooths frizz, and boosts shine DETAILS Commit to dramatically stronger, healthier hair with value liters of our original Nº.4 BOND MAINTENANCE® SHAMPOO &…

4.4165 reviews
STRENGTHENING SHOWER SET

STRENGTHENING SHOWER SET

Olaplex

$92

KEY BENEFITS Reverses hair damage in as little as three minutes Gently cleanses without stripping moisture Hydrates, smooths, nourishes, and detangles DETAILS The clinically proven washcare routine to repair and protect all hair types.

4.7131 reviews
THE HEALTHY HAIR DISCOVERY SET

THE HEALTHY HAIR DISCOVERY SET

Olaplex

$18

SHORT DESCRIPTION The routine for smoother, shinier, visibly healthier hair DETAILS Healthy hair starts here. This mini healthy hair value set delivers major results for all hair types. The perfect starter set or packable routine.

4.833 reviews
THE HEALTHY HAIR DISCOVERY SET

THE HEALTHY HAIR DISCOVERY SET

Olaplex

$36

SHORT DESCRIPTION The routine for smoother, shinier, visibly healthier hair DETAILS Healthy hair starts here. This mini healthy hair value set delivers major results for all hair types. The perfect starter set or packable routine.

4.450 reviews
THE HEALTHY HAIR TRAVEL SET

THE HEALTHY HAIR TRAVEL SET

Olaplex

$59

KEY BENEFITS Strengthens, hydrates, smooths, and detangles Extends style for clean-looking hair without residue Instantly boosts shine and provides 450ºF/232ºC heat protection DETAILS Take great hair days wherever you go with this 6-piece set of award winners and bestsellers in travel sizes and minis.

4.6114 reviews
THE RICH HYDRATION ROUTINE

THE RICH HYDRATION ROUTINE

Olaplex

$160

KEY BENEFITS Strengthens, hydrates, smooths, and detangles Strengthens hair and prevents breakage even after 5 washes Instantly boosts shine and provides 450ºF/232ºC heat protection DETAILS Get your healthiest, strongest hair routine with a 5-piece system that dramatically reduces breakage, smooths frizz, detangles,…

4.6199 reviews
THE WEIGHTLESS VOLUME ROUTINE

THE WEIGHTLESS VOLUME ROUTINE

Olaplex

$160

KEY BENEFITS Repairs damage from the inside out Strengthens hair and prevents breakage even after 5 washes Instantly boosts shine and provides 450ºF/232ºC heat protection DETAILS Get the ultimate system for fine hair that needs strength without the added weight.

4.5182 reviews
VOLUMIZE + REPAIR VALUE SET

VOLUMIZE + REPAIR VALUE SET

Olaplex

$234

KEY BENEFITS Weightlessly hydrates and nourishes Detangles and smoothes hair Helps build lasting body, volume, and bounce Clinically proven to repair and prevent future damage Immediately softer, stronger, more conditioned hair DETAILS Commit to stronger, full-volume fine hair with value liters of our…

4.8148 reviews
Apple Cider Vinegar Revitalizing Conditioner

Apple Cider Vinegar Revitalizing Conditioner

Dphue

$32

The ACV Revitalizing Conditioner features apple cider vinegar to help keep the scalp balanced, reduce shedding and support healthy hair growth. It gently exfoliates as it unclogs the hair follicles, activating them to help promote a more robust growth cycle.

4.4455 reviews
Clean Slate Daily Conditioner

Clean Slate Daily Conditioner

Nymbrands

$10.99

Not Your Mother’s Curl Talk® Clean Slate Daily Conditioner is Step #2 of your curl reset. This silicone-free, paraben-free formula helps detangle, define, and hydrate your hair with a soft, lightweight finish. The result? Soft, silky, bouncy curls that are up for anything.

4.547 reviews
Flaxseed Damage Repair Hair Mask with 5% Flaxseed, 1% Hyaluronic Acid, Ceramides for Softness & Shine - 300 ml (Pack of

Flaxseed Damage Repair Hair Mask with 5% Flaxseed, 1% Hyaluronic Acid, Ceramides for Softness & Shine - 300 ml (Pack of

Mamaearth

$1198

Not all masks are about hiding. Some are about fixing. Fixing hair damages that go deeper than they look. Daily environmental stressors weaken the hair fibre, reducing its strength and moisture. And you’re left with rough and dry hair. So, what’s the fix? Mamaearth Flaxseed Damage Repair Hair Mask.

4.898 reviews