OUAI Fine Hair Shampoo – Travel Size 3 oz, Biotin Volumizing & Sulfate-Free for Fine, Flat Hair

OUAI Fine Hair Shampoo (travel size) is a lightweight, biotin-enriched, sulfate-free shampoo that boosts lift and strengthens fine, flat hair without weighing it down.

Designed for hair that needs more body and less breakage, this portable 3 oz bottle combines biotin, hydrolyzed keratin, and chia seed oil to gently cleanse while adding texture and resilience. The formula is free of sulfates, parabens, phthalates, and gluten, and it’s safe for color-treated or chemically processed hair—perfect for quick trips, gym bags, or sampling the OUAI approach to fuller-looking strands.

How does this shampoo create volume without making hair heavy?

The shampoo uses lightweight thickening agents that coat the hair shaft and lift roots without residue. Ingredients like chia seed oil add body at a molecular level, while hydrolyzed keratin smooths and supports strand structure so hair appears fuller and moves freely.

• Biotin helps reduce breakage for stronger, fuller-looking hair.
• Chia seed oil provides body without greasiness or buildup.
• Hydrolyzed keratin smooths cuticles for shine and manageability.
• Lightweight cleansing avoids heavy silicones that can weigh fine hair down.

Will this shampoo work on color-treated or chemically processed hair?

Yes—formulated to be color-safe and gentle on treated hair, the shampoo cleans without stripping pigments or weakening chemical services. It maintains softness and vibrancy while supporting hair strength, making it suitable for people who color, relax, or keratin-treat their hair.

• Sulfate-free surfactants preserve color integrity.
• No parabens, phthalates, or gluten for a gentler cleanse.
• Keratin and biotin help reinforce processed strands.
• Travel-friendly 3 oz bottle meets most airline size rules.

How should I use OUAI Fine Hair Shampoo for best results?

Apply a small amount to wet roots and massage through to ends, then rinse thoroughly; repeat only if needed. For maximum lift, follow with OUAI Fine Conditioner applied mainly on mid-lengths to ends, and finish with OUAI Thickening Spray at the roots for targeted support.

• Massage at the scalp to stimulate volume at the root.
• Rinse well to prevent any lingering weight on fine strands.
• Pair with OUAI Fine Conditioner to seal and lock in volume.
• Layer OUAI Thickening Spray for extra hold and texture.

What scent and sensorial experience can I expect?

The shampoo carries OUAI’s Mercer Street fragrance: a fresh, modern blend that opens with citrus and develops into soft floral and musk facets. The lightweight lather feels clean and refreshing, leaving hair smelling bright without overpowering heavy perfume notes.

• Top notes: Italian lemon for a crisp opening.
• Heart notes: iris adds a refined floral balance.
• Base notes: white musk for a soft, lasting finish.
• Thin, easy-rinsing lather suitable for daily use.

Who is this for? OUAI Fine Hair Shampoo travel size is ideal for anyone with fine, limp, or thinning hair who wants a portable, clean-formula option that enhances volume and reduces breakage. It suits travelers, gym-goers, and those trying OUAI for the first time, as well as people with color-treated or chemically-processed hair looking for a lightweight, strengthening wash. If you want lift, texture, and rejuvenated strands without added weight, this compact shampoo is a practical choice.

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