Scalp Serum
$52.00All Gone
Healthy hair starts with the scalp. This skincare-inspired serum helps balance and hydrate your scalp to create an ideal environment for hair to thrive.
Perfect For
- Thinning
- Flakey/Dry Scalp
- Volumizing
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Fine Hair Shampoo
$32
Fine Hair Conditioner
$32
Medium Hair Shampoo
$32
Medium Hair Conditioner
$32
Thick Hair Shampoo
$32
Thick Hair Conditioner
$32
Anti-Dandruff Shampoo
$38
Detox Shampoo
2 Sizes / $32
Detox Shampoo Travel
$14
Fine Hair Shampoo Refill Pouch
$64
Fine Hair Conditioner Refill Pouch
$64
Medium Hair Shampoo Refill Pouch
$64
Medium Hair Conditioner Refill Pouch
$64
Thick Hair Shampoo Refill Pouch
$64
Thick Hair Conditioner Refill Pouch
$64
Detox Shampoo Refill Pouch
$64
Hair Oil St. Barts
$30
Scalp Serum
$52
Scalp & Body Scrub St. Barts
$40
Hair Gloss
$34
Detox Shampoo
2 Sizes / $32
Fine To Medium Hair Treatment Masque
$38
Thick Hair Treatment Masque
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Hair Oil
2 Sizes / $30
Scalp & Body Scrub
$40
Leave In Conditioner
2 Sizes / $30
Anti-Dandruff Shampoo
$38
Rose Hair & Body Oil
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Fine Hair Conditioner
$32
Fine Hair Conditioner Refill Pouch
$64
Medium Hair Conditioner
$32
Medium Hair Conditioner Refill Pouch
$64
Thick Hair Conditioner
$32
Thick Hair Conditioner Refill Pouch
$64
Scalp & Body Scrub St. Barts Travel
$18
Hair Oil St. Barts
$30
Anti-Frizz Crème
2 Sizes / $28
Curl Crème
$32
Leave In Conditioner
2 Sizes / $30
Hair Oil
2 Sizes / $30
Matte Pomade
$26
Air Dry Foam
$28
Rose Hair & Body Oil
$32
Wave Spray
2 Sizes / $28
Wave Spray Travel
$14
Leave In Conditioner Travel
$16
Hair Oil Travel
$16
Fine Hair Shampoo Refill Pouch
$64
Fine Hair Conditioner Refill Pouch
$64
Medium Hair Conditioner Refill Pouch
$64
Medium Hair Shampoo Refill Pouch
$64
Thick Hair Conditioner Refill Pouch
$64
Detox Shampoo Refill Pouch
$64
Thick Hair Shampoo Refill Pouch
$64
Hand Wash Refill Pouch
$48
Dean Street Body Cleanser Refill Pouch
$56
Melrose Place Body Cleanser Refill Pouch
$56
Hand Lotion Refill Pouch
$48
Hair Oil St. Barts
$30
St. Barts Hair and Body Mist
$28
Anti-Frizz Crème
2 Sizes / $28
Hair Gloss
$34
Detox Shampoo
2 Sizes / $32
Anti-Dandruff Shampoo
$38
Leave In Conditioner
2 Sizes / $30
Fine Hair Shampoo
$32
Fine Hair Conditioner
$32
Medium Hair Shampoo
$32
Medium Hair Conditioner
$32
Thick Hair Shampoo
$32
Thick Hair Conditioner
$32
Scalp & Body Scrub
$40
Fine To Medium Hair Treatment Masque
$38
Scalp & Body Scrub St. Barts
$40
Wave Spray
2 Sizes / $28
Hair Oil
2 Sizes / $30
Rose Hair & Body Oil
$32
Air Dry Foam
$28
Matte Pomade
$26
Curl Crème
$32
Wave Spray Travel
$14
Medium Hair Shampoo Refill Pouch
$64
Fine Hair Shampoo Refill Pouch
$64
Thick Hair Treatment Masque
$38
Medium Hair Conditioner Refill Pouch
$64
Leave In Conditioner Travel
$16
Fine Hair Conditioner Refill Pouch
$64
Thick Hair Conditioner Refill Pouch
$64
Thick Hair Shampoo Refill Pouch
$64
Detox Shampoo Refill Pouch
$64
Hair Oil Travel
$16
Detox Shampoo Travel
$14
Scalp Serum
$52
Scalp & Body Scrub St. Barts Travel
$18
Body Cleanser St. Barts
$28
Scalp & Body Scrub St. Barts
$40
Melrose Place Body Cleanser
$28
Body Cleanser Dean Street
$28
Scalp & Body Scrub
$40
Hand Wash
$32
Hand Wash Refill Pouch
$48
Melrose Place Body Cleanser Refill Pouch
$56
Dean Street Body Cleanser Refill Pouch
$56
Body Crème St. Barts
$38
Melrose Place Body Crème
$38
Body Crème Shibuya
$38
Rose Hair & Body Oil
$32
Hand Crème
$24
Hand Lotion
$32
Hand Lotion Refill Pouch
$48
Fine Hair Shampoo Refill Pouch
$64
Fine Hair Conditioner Refill Pouch
$64
Medium Hair Conditioner Refill Pouch
$64
Medium Hair Shampoo Refill Pouch
$64
Thick Hair Conditioner Refill Pouch
$64
Detox Shampoo Refill Pouch
$64
Thick Hair Shampoo Refill Pouch
$64
Hand Wash Refill Pouch
$48
Dean Street Body Cleanser Refill Pouch
$56
Melrose Place Body Cleanser Refill Pouch
$56
Hand Lotion Refill Pouch
$48
St. Barts Hair and Body Mist
$28
Body Cleanser St. Barts
$28
Body Crème St. Barts
$38
Scalp & Body Scrub St. Barts
$40
Scalp & Body Scrub St. Barts Travel
$18
Scalp & Body Scrub
$40
Rose Hair & Body Oil
$32
Body Crème Shibuya
$38
Body Cleanser Dean Street
$28
Melrose Place Body Cleanser
$28
Melrose Place Body Crème
$38
Hand Lotion
$32
Hand Wash
$32
Hand Crème
$24
Dean Street Body Cleanser Refill Pouch
$56
Melrose Place Body Cleanser Refill Pouch
$56
Hand Wash Refill Pouch
$48
Hand Lotion Refill Pouch
$48
OUAI To Go Refillable Travel Bottle Kit
$30
St. Barts Air Freshener
$5
Live Life Your OUAI Half-Zip Sweatshirt
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Live Life Your OUAI Half-Zip Sweatshirt
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Live Life Your OUAI Sweat Shorts
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OUAI Bébé Sweat Set
4 Sizes / $25 Regular price $35
OUAI Bébé Sunglasses
$10 Regular price $20
Fur Bébé Tennis Ball Set
$17 Regular price $18
Anti-Dandruff Shampoo
$38
Detox Shampoo
2 Sizes / $32
Scalp Scrubber
$14
Scalp Serum
$52
Scalp & Body Scrub St. Barts
$40
Scalp & Body Scrub
$40
Scalp & Body Scrub St. Barts Travel
$18
Anti-Frizz Crème
2 Sizes / $28
Hair Gloss
$34
Anti-Dandruff Shampoo
$38
Hair Oil
2 Sizes / $30
Matte Pomade
$26
Thick Hair Treatment Masque
$38
Fine To Medium Hair Treatment Masque
$38
Curl Crème
$32
Leave In Conditioner
2 Sizes / $30
Scalp & Body Scrub
$40
Air Dry Foam
$28
Rose Hair & Body Oil
$32
Detox Shampoo
2 Sizes / $32
Scalp & Body Scrub
$40
Fine Hair Shampoo
$32
Fine Hair Conditioner
$32
Medium Hair Shampoo
$32
Medium Hair Conditioner
$32
Thick Hair Conditioner
$32
Thick Hair Shampoo
$32
Fine Hair Shampoo Refill Pouch
$64
Fine Hair Conditioner Refill Pouch
$64
Medium Hair Shampoo Refill Pouch
$64
Medium Hair Conditioner Refill Pouch
$64
Thick Hair Shampoo Refill Pouch
$64
Thick Hair Conditioner Refill Pouch
$64
Scalp & Body Scrub St. Barts
$40
Hair Oil St. Barts
$30
St. Barts Hair and Body Mist
$28
Body Cleanser St. Barts
$28
Body Crème St. Barts
$38
Scalp & Body Scrub St. Barts
$40
Scalp & Body Scrub St. Barts Travel
$18
St. Barts Air Freshener
$5
Melrose Place Eau de Parfum
2 Sizes / $64
Melrose Place Eau de Parfum Travel
$26
Melrose Place Body Crème
$38
Melrose Place Body Cleanser
$28
Scalp & Body Scrub
$40
Detox Shampoo
2 Sizes / $32
Fine To Medium Hair Treatment Masque
$38
Thick Hair Treatment Masque
$38
Rose Hair & Body Oil
$32
Detox Shampoo Refill Pouch
$64
Detox Shampoo Travel
$14
Melrose Place Body Cleanser Refill Pouch
$56
Anti-Frizz Crème
2 Sizes / $28
Hair Gloss
$34
Wave Spray
2 Sizes / $28
Leave In Conditioner
2 Sizes / $30
Air Dry Foam
$28
North Bondi Eau de Parfum
2 Sizes / $64
North Bondi Eau de Parfum Travel
$26
Curl Crème
$32
Fine Hair Shampoo
$32
Fine Hair Conditioner
$32
Medium Hair Shampoo
$32
Medium Hair Conditioner
$32
Thick Hair Conditioner
$32
Fine Hair Shampoo Refill Pouch
$64
Fine Hair Conditioner Refill Pouch
$64
Medium Hair Shampoo Refill Pouch
$64
Medium Hair Conditioner Refill Pouch
$64
Thick Hair Shampoo Refill Pouch
$64
Thick Hair Conditioner Refill Pouch
$64
Healthy hair starts with the scalp. This skincare-inspired serum helps balance and hydrate your scalp to create an ideal environment for hair to thrive.
An earthy fragrance with notes of ginger and spearmint.
GINGERBASILSPEARMINTTOMATO LEAVESGREEN FIGAMBROXANWET GRASS GINGERBASILSPEARMINTTOMATO LEAVESGREEN FIGAMBROXANWET GRASS GINGERBASILSPEARMINTTOMATO LEAVESGREEN FIGAMBROXANWET GRASS
An earthy fragrance with notes of ginger and spearmint.
Ginger, Basil, Spearmint
Ambroxan, Wet Grass
Tomato Leaves, Green Fig
Helps support the appearance of thicker, healthier hair. Featuring Adaptogens like Arctic Root, Siberian Ginseng, and Chaga Mushroom combined with Hyaluronic Acid, this serum can help promote hydration and a healthy barrier. Good for all hair types.
Apply daily for best results. This is a leave-in product. Do not rinse out.
Must be applied directly to the scalp.
Can be applied in the am or pm on wet or dry hair.
Do not apply to open wounds and/or broken skin on the scalp.
Start application in your natural part and along your hairline
Press and release the bulb once to fill the glass pipette. Unscrew the cap.
Use short, quick presses to release drops throughout the scalp.
Massage in to help distribute and absorb into the scalp.
SCALP SERUM is skin care inspired. The key is consistent use to see results and absorption. Face serums typically can take anywhere from a 1 minute to a few minutes to absorb and completely dry. Same goes for SCALP SERUM – wait until the serum has completely dried and absorbed before washing hair.
If applying at night you are safe to wash your hair and scalp in the morning. If you apply in the morning you will safe to wash your hair and scalp in the afternoon or evening
Worried about hair looking oily? We got you. Scalp Serum easily absorbs into the scalp & works for all hair types and textures, including oily hair types.
Aqua / Water / Eau, Polysorbate 20, Butylene Glycol, Glycerin, Polyquaternium-7, Rhodiola Rosea Extract, Sodium Hyaluronate, Tocopheryl Acetate, Acetyl Tetrapeptide-3, Tocopherol, Rosa Centifolia Flower Extract, Dextran, Trifolium Pratense (Clover) Flower Extract, Acanthopanax Senticosus (Eleuthero) Root Extract, Rhaponticum Carthamoides Root Extract, Inonotus Obliquus (Mushroom) Extract, Selaginella Lepidophylla Extract, Ethylhexylglycerin, Disodium Edta, Sodium Hydroxide, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Citric Acid, Sodium Benzoate, Phenoxyethanol, Fragrance / Parfum, Eugenol, Limonene, Linalool.
DO YOU HAVE TO WASH THE SERUM OFF?
No, it’s a leave-in serum. If you’re applying at night, it’s safe to wash your hair in the morning. If you apply in the morning, you’re safe to wash in the afternoon or evening.
CAN MEN USE THESE PRODUCTS TOO?
Like everything in the OUAI collection SCALP SERUM and THICK & FULL SUPPLEMENTS are gender inclusive.