Hair Oil
Model with flowing blonde hair styled sleek and smooth, promoting Ouai Hair Oil 90% Less Breakage claim
Ouai Hair Oil before and after result showing transformation from frizzy wavy hair to smooth, glossy straight hair
Before and after showing model with Ouai Hair Oil; left shows dry frizzy hair, right shows smooth, shiny styled hair holding the product
Before and after shot showing Ouai Hair Oil results: model with frizzy hair transformed to smooth, glossy straight hair, holding the product.
Ouai Hair Oil in glass dropper bottle styled with white flowers and dried lavender, with Rue St. Honoré fragrance notes text overlay
Ouai Hair Oil pump bottle with key benefits: reduces breakage 90%, heat protection to 450°, UV filter, hydrated shiny finish.
Ouai Hair Oil in pump bottle with ingredient callouts: African Galanga Root Extract, Ama Oil, Borage Oil, and Baobab Seed Oil
GIFT WITH €120 SPEND*

OUAI The Sustainable Edit Hair Oil

£26.24
Choose One from Three Beauty Samples When You Spend €120 or More on Beauty*

1 of 2 special offers

Choose One from Three Beauty Samples When You Spend €120 or More on Beauty*

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Part of our Sustainable Edit

We place sustainability at the heart of what we buy and sell. Find out more about our sustainability criteria below.
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Description: This ultra-lightweight, colour-safe hair oil provides heat protection while fighting frizz and smoothing hair. Packed with nutrient-rich oils, it hydrates the hair while adding softness and shine, and is scented with Rue St. Honoré, a French-inspired fragrance.

Key Benefits:

  • Provides heat protection up to 232°C
  • Fights frizz and smooths hair
  • Adds softness, shine and hydration
  • Colour-safe formula
  • Helps protect hair fibres from colour fading due to UV exposure
  • Free from parabens, phthalates, SLS and SLES

How to Use: On wet hair, apply one pump from eye level down, focusing on the mid-lengths and ends, then comb through and style as usual. On dry hair, emulsify one pump between your hands and smooth through the mid-lengths and ends, adding more if needed.

  • Cruelty-Free: This brand is certified Cruelty-Free through the Leaping Bunny program; it has therefore committed never to conduct, commission, pay for, or allow tests on animals at any phase of development, for both ingredients and final products
Standard Delivery £5.95
Please allow up to 5 working days for delivery.

Premium Express £10.95
Order before 12pm for delivery within 1-2 business days.
Order after 12pm for delivery within 2-3 business days.

Furniture £50 - £149
Delivery for this product is conducted by the third-party service arranged directly by the supplier, who will contact you in advance to arrange a suitable delivery date and time.

Wines and Spirits are available for Click and Collect and Nominated Day delivery only. You must be over 18 to buy this product and will be required to show a valid photo ID upon collection/delivery. Please drink responsibly.

Return policy
For full details on how you can return items online or in-store, please click here.

  • Click and Collect

    Orders can now be collected from Arnotts and Brown Thomas stores.
Choose from our cotton tote, drawstring bag or signature gift wrap options which include your personalised message from €3.
  At certain times of the year our gift wrap may vary slightly in line with seasonal celebrations.
  • Product compliance information: Biorius, Biorius, Avenue Léonard de Vinci 6, 1300, Belgium, info@biorius.com
  • Ingredients: Cyclopentasiloxane, Dimethicone, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Isododecane, Hydrogenated Ethylhexyl Olivate, C12-15 Alkyl Benzoate, Phenyl Trimethicone, Simmondsia Chinensis (Jojoba) Seed Oil, Dimethiconol, Jojoba Esters, Butyrospermum Parkii (Shea) Butter, Helianthus Annuus (Sunflower) Seed Oil, Oryza Sativa (Rice) Bran Oil, Adansonia Digitata Seed Oil, Borago Officinalis Seed Oil, Crambe Abyssinica Seed Oil, Glycine Soja (Soybean) Oil, Passiflora Edulis Seed Oil, Moringa Oleifera Seed Oil, Coconut Alkanes, Kaempferia Galanga Root Extract, Helianthus Annuus (Sunflower) Extract, Amaranthus Caudatus Seed Extract, Oryza Sativa (Rice) Bran Extract, Daucus Carota Sativa (Carrot) Root Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Tocopherol, Coco-Caprylate/Caprate, Ethylhexyl Methoxycinnamate, Polysilicone-15, Diisostearyl Malate, Hydrogenated Olive Oil Unsaponifiables, Beta-Carotene, Bht, Citric Acid, Benzoic Acid, Phenoxyethanol, Fragrance (Parfum), Benzyl Benzoate, Citronellol, Benzyl Salicylate, Linalool, Hydroxycitronellal, Hexyl Cinnamal, Geraniol.
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