Formula ingredient
C11-15 Pareth-7
C11-15 Pareth-7 appears on this product’s ingredient list. Open its page to learn what it does and see other formulas that share it.
Products with C11-15 Pareth-7
45 products in the marketplace list this ingredient.
Detox Duo – Medium Hair
OUAI
$66
Clarify with Detox Shampoo, smooth down with Medium Conditioner. This duo removes buildup with apple cider vinegar while keratin, babassu and coconut oil nourish medium hair.
Detox Duo – Thick Hair
OUAI
$66
Clarify with Detox Shampoo, soften with Thick Conditioner. This duo clears buildup with apple cider vinegar while keratin, marshmallow root and shea butter tame thick hair.
Fine Hair Conditioner - Travel
OUAI
$16
A lightweight, color-safe travel size conditioner with just the right amount of hydration for fine strands that strengthens and leaves hair soft and volumized.
Fine Hair Shampoo - Travel
OUAI
$16
Turn the volume all the OUAI up with this travel size thickening shampoo that leaves fine hair cleaner, stronger, and full of life. This color-safe shampoo breathes life into fine, flat hair with strengthening keratin, biotin, and nourishing chia seed oil.
Fine To Medium Hair Treatment Masque
OUAI
$38
Want moisture that won’t OUAI you down? This mask was made for fine to medium strands to hydrate, fight frizz, and repair damage for smoother, healthier hair. Ready to split up with split ends? This repairing mask instantly restores hydration, calms frizz, and strengthens fine/medium hair.
Medium Hair Conditioner
OUAI
$32
If you’re the Goldilocks of hair types, we’ve got the conditioner that’s justttt right. This Medium Conditioner is for strengthening strands that are in-between Fine & Thick. It fights frizz, battles breakage and adds shine for your healthiest hair ever.
Medium Hair Conditioner - Jumbo
OUAI
$44
Get 60% more of our color-safe, hydrating conditioner with a jumbo size. This conditioner is specifically made to hydrate & revive medium strands.
Medium Hair Conditioner - Refill
OUAI
$64
Refill pouches use approximately 60% less plastic than rigid plastic bottles. If you’re the Goldilocks of hair types, we’ve got the conditioner that’s justttt right. This Medium Conditioner is for strengthening strands that are in-between Fine & Thick.
Medium Hair Conditioner - Travel
OUAI
$16
If you’re the Goldilocks of hair types, we’ve got the conditioner that’s justttt right. This Medium Conditioner is for strengthening strands that are in-between Fine & Thick. It fights frizz, battles breakage and adds shine for your healthiest hair ever.
Medium Hair Shampoo
OUAI
$32
For those who have a love-hate relationship with their hair. Product details Wash your way to a happy medium with this hydrating shampoo that cleanses, nourishes, and revives shine for medium hair types using a fusion of keratin and kumquat extract, plus babassu and coconut oils.
Medium Hair Shampoo - Jumbo
OUAI
$44
Never feel stuck in the middle again. Get 60% more of the Medium Hair Shampoo you love to hydrate & revive strands that swing both OUAIs. With shine-enhancing kumquat fruit extract, moisture-rich babassu oil & reparative coconut oil, hair looks and feels revived & refreshed.
Medium Hair Shampoo - Refill
OUAI
$64
If your hair type is stuck in the middle this hydrating shampoo cleanses, fights frizz, hydrates and revives shine for medium hair by using a fusion of keratin and kumquat extract, plus babassu and coconut oils. Follow with Medium Conditioner for best results.
Medium Hair Shampoo - Travel
OUAI
$16
Does your hair swing both OUAI’s? If you’re somewhere in between fine hair problems and thick hair problems, wash your way to a happy medium with this hydrating travel size shampoo that cleanses, nourishes, and revives shine for medium hair types.
Medium Hair Shampoo & Conditioner Jumbo Set
OUAI
$88
The shampoo & conditioner you love, now 60% bigger. This color-safe, jumbo-sized set comes with easy-to-use pumps. Our hydrating shampoo cleanses, fights frizz, hydrates and revives shine for medium hair with a mix of keratin and kumquat extract, plus babassu and coconut oils.
Medium Hair Travel Set
OUAI
$43
A travel trio for medium hair: Medium Shampoo and Conditioner cleanse and revive shine, while our Leave In Conditioner detangles and fights frizz on the go.
Thick Hair Conditioner
OUAI
$32
Lay it it on thick. Give dry hair a quick dose of mega-moisture with this rich conditioner that leaves hair smooth and frizz-free, thanks to a blend of strengthening keratin, plus softening marshmallow root, shea butter, and avocado oil. Pair with Thick Shampoo for best results.
Thick Hair Conditioner - Jumbo
OUAI
$44
Get 60% more of the Thick Hair Conditioner you know & love with a jumbo size. This color-safe, deeply hydrating conditioner is made just for thick hair types to nourish & hydrate.
Thick Hair Conditioner - Refill
OUAI
$64
This sustainable Refill Pouch uses 60% less plastic than rigid plastic bottles, contributes less to landfill waste, and lets you stock up on THICK Hair Conditioner.
Thick Hair Conditioner - Travel
OUAI
$16
Wanna get rich quick? This ultra-lux travel size conditioner made for thick hair fights frizz and hydrates dry, coarser hair while detangling, strengthening, and adding shine.
Thick Hair Shampoo
OUAI
$32
A lux lathering, deeply hydrating shampoo for thick hair types, infused with marshmallow root to detangle, shea butter to moisturize, and avocado oil to fight frizz. Follow with Thick Conditioner for best results. IS THIS RECYCLABLE? Yes, I am fully recyclable!
Thick Hair Shampoo - Jumbo
OUAI
$44
Get 60% more of the color-safe, deeply hydrating Thick Hair Shampoo you love with a jumbo size.
Thick Hair Shampoo - Refill
OUAI
$64
Refill pouches that use approximately 60% less plastic than rigid plastic bottles. Product details Show uncooperative locks who’s boss with this deeply hydrating shampoo for thick hair types infused with marshmallow root to detangle, shea butter to moisturize, and avocado oil to calm frizz.
Thick Hair Shampoo - Travel
OUAI
$16
Stop dreading wash day. A deeply moisturizing travel size shampoo that cleanses thick hair while strengthening and fighting frizz.
Thick Hair Shampoo & Conditioner Jumbo Set
OUAI
$88
The shampoo & conditioner you love, now 60% bigger & with easy-to-use pumps. This color-safe, deeply hydrating shampoo & conditioner set now comes with easy-to-use pumps.
Thick Hair Shampoo & Conditioner Set
OUAI
$64
A smoothing bundle to show thick locks who's boss. Product details This moisture-rich duo does the most for thirsty manes by cleansing without stripping, while reducing frizz for smoother, stronger hair.
Thick Hair Travel Set
OUAI
$43
A travel trio for thick hair: Thick Shampoo and Conditioner cleanse without stripping, while our Leave In Conditioner detangles and fights frizz on the go.

Straight Hair Conditioner
Function of Beauty
$9.99
Our Routine Essentials Conditioner for Straight Hair features Avocado Oil to lock in moisture. The complex of silicones and conditioning agents are formulated at a specific level to bring nourishing hydration to straight hair without weighing it down. Size: 11 oz

Straight Hair Conditioner Jumbo
Function of Beauty
$16.99
Our best-selling Custom Conditioner for Straight Hair is now available in 22oz (double the size!) for an even better value! Our Custom Conditioner for Straight Hair is formulated with Avocado Oil to seal moisture.

Straight Hair Shampoo
Function of Beauty
$9.99
If your straight hair gets greasy at the roots, dry at the ends or flat by midday, this shampoo is your new fix. Designed for naturally straight hair like types 1A, 1B and 1C , our Straight Hair Shampoo delivers a gentle, lightweight clean that removes oil and buildup without stripping. Size: 11 oz

Straight Hair Shampoo Jumbo
Function of Beauty
$16.99
Our best-selling Custom Shampoo for Straight Hair is now available in 22oz (double the size!) for an even better value! Our Custom Shampoo for Straight Hair is formulated with Coconut Water to clean and hydrate hair without weighing it down.

Wavy Hair Conditioner
Function of Beauty
$9.99
Our Daily Routine Conditioner for Wavy Hair features Argan Oil to enhance glossiness and shine. Conditioning agents are specifically formulated to leave wavy hair extra moisturized without feeling weighed down. Size: 11 oz

Wavy Hair Conditioner Jumbo
Function of Beauty
$16.99
Our Daily Routine Conditioner for Wavy Hair features Argan Oil to enhance glossiness and shine. Conditioning agents are specifically formulated to leave wavy hair extra moisturized without feeling weighed down. Size: 22 oz

Wavy Hair Shampoo
Function of Beauty
$9.99
If you waves get frizzy, lose definition or fall flat after a wash, this shampoo is made for you. Design for n aturally wavy hair like types 2A, 2B and 2C , our Wavy Hair Shampoo gives you a gentle clean while Fermented Rice Water helps strengthen strands and boost natural elasticity.

Wavy Hair Shampoo Jumbo
Function of Beauty
$16.99
Our Daily Essentials Shampoo for Wavy Hair is formulated with Fermented Rice Water to strengthen and increase elasticity. The gentle foaming ingredients have been specifically formulated for Wavy Hair to soften strands. Size: 22 oz

Damaged Hair Travel Set
Davines
$46
Kit designed to nourish and restore softness to hair The combination of NOUNOU Shampoo and Conditioner gently cleanses the hair, giving deep nourishment, hydration and restoring a natural softness.

NOUNOU Shampoo
Davines
$16
Nourishing shampoo, gently cleanses highly processed or brittle hair Discover the newly formulated full-size NOUNOU Shampoo here ! A nourishing shampoo designed for damaged hair, this formula gently cleanses while restoring hydration, softness, shine, and body to highly processed, dry, or brittle hair.

NOUNOU Shampoo Refill + Cadence Capsule Medium
Davines
$77
Nounou Refill and Travel Capsule This set contains a NOUNOU Shampoo Refill Pouch and a limited edition Cadence Capsule for all of your haircare travel needs. NOUNOU is perfect for bleached, permed or relaxed hair.

bust your brass | cool blonde strength repair conditioner
amika
$29
condition + tone your way to a brighter blonde + 2.2 stronger hair* what is bust your brass cool blonde repair shampoo? a blonde's best-kept secret.

the kure | multi-task strength repair treatment
amika
$34
a multi-tasking hair treatment that strengthens hair, reduces breakage + prevents future damage what is the kure multi-task strength repair treatment? a 60-second multi-tasking treatment formulated with bond fortifying technology + vegan proteins to strengthen hair + prevent future damage + breakage.* who it's for all…

the kure | strength repair conditioner
amika
$29
a conditioner that strengthens hair + prevents future breakage for your strongest mane yet. what is the kure strength repair conditioner? a bond fortifying conditioner that's ultra moisturizing + clinically proven to strengthen damaged strands due to everyday stressors, heat + chemical treatments.

the kure strength repair conditioner | forever friend bottle + pouch duo
amika
$45
what it is this planet-friendly pair—including a refill pouch of the kure strength repair conditioner + a forever friend refillable shampoo bottle—was specially curated to help reduce impact over time.* who it's for all hair types 1-4c. ideal for high porosity hair.

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.

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.

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.

Bust Your Brass Blonde Repairing Conditioner
Stefan
$46.5
amika Bust Your Brass Blonde Conditioner is a nourishing, purple‑pigmented conditioner designed to neutralise brassy yellow tones while hydrating and softening blonde, highlighted or silver hair. This conditioning formula helps restore brightness and maintain a cool, balanced tone without leaving hair dull or dry.