The Shelf · Hair · The Scalp Edit
No. 03 in Edit 030
OUAI Scalp Serum
The most pleasant one to actually use, and the one most likely to become a habit. Habit is most of what a scalp serum needs.
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Why we like the Scalp Serum
- The texture is genuinely nice, which matters for daily use
- Hyaluronic acid high in the list
- Priced below the Act+Acre
- Texture
- Light watery serum with a slight silicone slip
- Key ingredients
- Rhodiola Rosea Extract · Sodium Hyaluronate · Polyquaternium-7 · Tocopheryl Acetate
- Fragrance
- Scented. Parfum plus declared eugenol, limonene and linalool.
- Best for
- People who like the OUAI scent · Normal to oily scalps
- Works on
- Scalp dryness · Dullness at the root
- Made in
- USA
- Where to buy
- Amazon
- Price
- $54, approximate
- Listing checked
- 2026-08-12
Our verdict on the OUAI Scalp Serum
Buy it for the experience. Skip it if fragrance is your problem, because this one names three allergens.
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Where the Scalp Serum sits on The Shelf
The rest of The Scalp Edit
Reviewed 2026-08-12. OUAI Scalp Serum appears in The Scalp Edit. Every product on The Shelf is listed in the product index.