Dandruff & Scalp HealthShampoo
Fine Hair Shampoo — Reddit Reviews
by Ouai
Updated November 10, 2026
Volume-boosting fine-hair shampoo cleans oily scalps; drying complaints accumulate over time.
What the community says
A lathering shampoo with hydrolyzed keratin, panthenol, and fragrance aimed at fine hair that needs lift without immediate heaviness. Oily-scalp users often get cleaner roots, but dry, bleached, or breakage-prone hair may find it stripping over time.
What this means for you
What people love
Watch out for
Product details
Concerns
Where to buy
Full ingredient list · 36
Ouai Fine Hair Shampoo ingredients
Water / Aqua / Eau, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl Cocoyl Taurate, PEG-200 Hydrogenated Glyceryl Palmate, Cocamide Mipa, Fragrance / Parfum, Panthenol, Cocoglucosides Hydroxypropyltrimonium Chloride, Hydrolyzed Keratin, Biotin, Salvia Hispanica Seed Oil, Cetrimonium Chloride (Anti-Static Agent/Agent Antistatique), Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Glycerin, Sodium Lauroyl Glycinate, PEG-150 Distearate, Propoxytetramethyl Piperidinyl Dimethicone, Trideceth-6, C11-15 Pareth-7, PEG-7 Glyceryl Cocoate, Sodium Chloride, Polyquaternium-7, Disodium EDTA, Citric Acid, Sodium Hydroxide, Tetrasodium EDTA, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, Benzyl Alcohol, Acetic Acid, Sodium Acetate, Benzyl Salicylate, Limonene, Hexyl Cinnamal
Listed in label order, highest concentration first. Linked ingredients have their own page.
Real Reddit threads — 48 mentions across 26 threads
Ouai Fine Hair Shampoo on Reddit, in one place — 26 threads from r/Haircare, r/Wavyhair and 1 more, summarized.
“Hey! I use the Ouai fine hair shampoo and conditioner:)”
Mentioned
“Double wash, then condition (Ouai fine hair shampoo & conditioner), every 2-3 days.”
Positive
“I'm double washing because I don't find the first wash lathers much”
Positive
“Ouai Fine hair shampoo snd cinditioner definitely gave me volume.”
Positive
“I have dry hair and just love Redken All Soft which does not weigh my hair down at all.”
Positive
“my always recommendation is the ouai fine hair shampoo. it's too good.”
Positive
“Their fine hair shampoo made my hair feel like straw.”
Cautionary
“I liked the results I got from the Ouai fine hair shampoo, but over time it really dried out my hair.”
Cautionary
“The smell was awful too.”
Cautionary
“This week, I’m trying a new shampoo recommended by my hairdresser (Ouai fine hair)”
Mentioned
Dupes & Alternatives
Often paired with
Products Redditors use alongside this one
Ouai
Mentioned together in 11 threads
“I shower and wash my hair twice with Ouai Fine hair shampoo (roots only). I then use Ouai fine hair conditioner on my mid lengths to ends”