Formula ingredient
HYDROLYZED KERATIN
HYDROLYZED KERATIN appears on this product’s ingredient list. Open its page to learn what it does and see other formulas that share it.
Products with HYDROLYZED KERATIN
48 products in the marketplace list this ingredient.

R+R Mask
Summer Fridays
$54
This 2-in-1 mask lovingly buffs skin brighter before hugging it in a plush mix of restorative natural oils. We call it romancing the glow.
Detox Clarifying Hair Shampoo
OUAI
$34
This clarifying shampoo deeply cleanses away dirt, oil, and product buildup with detoxifying apple cider vinegar and hair-strengthening keratin. Been on a dry shampoo binge? This concentrated shampoo with apple cider vinegar will deeply cleanse away dirt, oil, and impurities.
Detox Clarifying Hair Shampoo - Jumbo
OUAI
$46
Been on a dry shampoo binge? This concentrated shampoo with apple cider vinegar will deeply cleanse away dirt, oil, and impurities. It also removes buildup from styling products and hard water deposits to leave hair feeling refreshed and super clean.
Detox Clarifying Hair Shampoo - Refill
OUAI
$68
A sustainable OUAI to fill up on our concentrated ACV shampoo. Product details Can’t remember the last time you washed your hair? Get a really good clean with this concentrated apple cider vinegar shampoo that deeply cleanses hair and scalp without stripping.
Detox Clarifying Hair Shampoo - Travel
OUAI
$16
A clarifying shampoo for all hair types infused with apple cider vinegar and keratin to purify and deeply cleanse away product buildup, oil, and dirt without stripping hair. Leaves hair super clean, strong, shiny, and bouncy. Vegan and cruelty-free. Free of parabens, sulfates, silicone, gluten, and phthalates. 
Detox Duo - Fine Hair
OUAI
$66
Clarify with Detox Shampoo, strengthen with Fine Conditioner. This duo cleanses buildup with apple cider vinegar while keratin, biotin and chia seed oil volumize fine hair.
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.
Drop OUAI Every Day Kit (90-Day Supply)
OUAI
$105
Save 35% on the Drop OUAI Every Day Kit & stock up on a 90-day supply (3 bottles) of Scalp Serum. This Scalp Serum deeply penetrates the scalp to balance & hydrate while soothing scalp irritation.
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.
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.
Meet Me On Melrose Set
OUAI
$38
Get a-OUAI to LA without leaving your shower. Smell like you’re almost famous with travel sizes of our Detox Shampoo to clarify your scalp & strands, Scalp & Body Scrub to exfoliate from head to toe and Body Cleanser to gently cleanse—all in the velvety-rich & rosy Melrose Place scent. Shop the set for $38 ($52 value).
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.
Thick Hair Treatment Masque
OUAI
$38
Looking for a mask that heals, not hides, everything your hair has been through? Mask and you shall receive. This rich, buttery mask restores moisture, smooths frizz, repairs damage, and prevents breakage for thick hair after just one use.
Thick Hair Treatment Masque - Travel
OUAI
$22
Turn the moisture all the OUAI up with this rich travel size mask for thick hair that delivers major moisture, damage repair, and shine in minutes.

Three-OUAI Hair Set
OUAI
$116
There’s a reason knotty girls love Melrose Place. Get your hair smelling like roses with this Three-OUAI. Get a deep cleanse with Detox Shampoo when you need to clean up your act. Skip conditioner & break up with damage, breakage & split ends with Bond Repair Balm.

holi (locks) silk peptide leave-in repair
Agent Nateur
$56
Heat protection meets true hair repair. Powered by Japanese silk peptides, hydrolyzed keratin, niacinamide, and botanical actives to help defend against styling damage while strengthening hair from within.

the growth & repair hair duo
Agent Nateur
$126
Healthy hair begins at the scalp—but it doesn’t end there. This two-step topical hair care system pairs holi (growth) 84, our clinically-backed scalp treatment, with holi (locks), our reparative leave-in conditioner, to support healthier-looking, fuller, stronger hair from root to tip.

60 Proof Wax
Blind Barber
$24
Infused with hops (yes, from beer), the 60 Proof Wax leaves your hair with a medium hold and a workable, natural finish. Emulsify a dime-sized dollop in your hands and work through towel-dried hair for optimal texture and control. Parabens, sulfates, or artificial dyes? Never. Handsome? Always .

90 Proof Pomade
Blind Barber
$24
Infused with hops (yes, from beer), the 90 Proof Pomade leaves your hair with a strong hold and a matte finish. For optimal results, emulsify a dime-sized dollop in your hands and work through towel-dried hair. No sulfates and no artificial dyes.

Heat Protectant Spray
Suavecito
$15.99
All great hairstyles start with vibrant, healthy hair. Protect your locks from the damage caused by heat styling while smoothing hair and adding shine. This Heat Protectant Spray stands up to blow drying, curling, and flat ironing while nourishing your hair with Safflower Oil and Evening Primrose Oil.

Sculpting Clay
VERB
$15.4
a pliable pomade that provides firm hold, frizz control, natural texture and pliability to re-shape hair throughout the day while maintaining moisture.

Optimal Scalp Treatment Bundle
Colorwowhair
$58
Why it's WOW Long, strong, healthiest-looking hair starts at the scalp with this easy 2-step prep 100% clean, sulfate-free Color Security Shampoo rinses out completely, leaves no ingredients on scalp that could block follicles or impede Youth Juice absorption Applied to residue-free scalp surface, Youth Juice Scalp…

Coconut Shea Cleansing CoWash
Edenbodyworks
$10.99
Sulfate-free, no suds gentle cleansing conditioner cream for removing residue and build up between regular washings to promote a healthy hair environment for growth.

Lavender Aloe Moisturizing Cowash
Edenbodyworks
$10.99
This gentle conditioning cleanser is sulfate-free and packed with super moisturizing ingredients like lavender essential oil, Aloe Vera, soybean oil (moisture retention), cottonseed oil, and Shea Butter. Perfect for removing residue and build up, without stripping the hair. Excellent for all textures and hair types.

MOIST RESTORE LEAVE IN CONDITIONER
Mycurlproducts
$16
Moist Restore Leave-In Conditioner , a game-changer for your curls. This lightweight and moisturizing conditioner is packed with a nourishing blend of natural oils that deeply penetrate your hair, leaving it softer and easier to manage.

MOIST RESTORE LEAVE IN CONDITIONER 160Z GRANDE
Mycurlproducts
$28
Moist Restore Leave-In Conditioner 16oz , a game-changer for your curls. This lightweight and moisturizing conditioner is packed with a nourishing blend of natural oils that deeply penetrate your hair, leaving it softer and easier to manage.

MOIST RESTORE LEAVE IN CONDITIONER BIGGIE (32OZ SIZE)
Mycurlproducts
$48
Moist Restore Leave-In Conditioner 32oz , a game-changer for your curls. This lightweight and moisturizing conditioner is packed with a nourishing blend of natural oils that deeply penetrate your hair, leaving it softer and easier to manage.