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Davines

Davines OI Oil Multi-Function Hair Oil

  • Hair Type: All
  • Scent Name: Signature OI Scent
  • Item Volume: 1.7 fl oz
  • Liquid Volume: 1.7 fl oz

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A frizz-focused finishing oil from a salon brand, reasonable for anyone who wants a lighter-weight option than a full styling cream.

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ASIN: B008B91H0ECategory: Hair Treatment Oils

Overview

Davines OI Oil is a multi-function hair oil built around Roucou oil, aimed at reducing frizz and adding shine across hair types. It works as a leave-in treatment that can detangle and add moisture without a rinse step.

Davines positions OI Oil as a finishing step rather than a deep treatment, meant to sit on top of freshly washed hair. The listing notes the formula is non-sealed, meaning it is designed to add shine and manageability without fully sealing the hair cuticle, so it works more as a smoothing layer than a heavy coat. Amazon's own product description field for this listing is blank, so the ingredient claims here come only from the bullet points.

  • Roucou oil formula
  • Detangles and smooths hair
  • Non-sealed, lightweight finish
  • Multi-function styling oil

Who it's for

Suits people managing frizz who want a lightweight, multi-purpose oil rather than a heat protectant or bonding treatment. Not the pick for anyone specifically shopping for a stated heat protection figure, since none is listed on this product.

Pros and cons

Pros
  • Multi-function: detangles, smooths and adds shine
  • Roucou oil as the named active ingredient
  • Non-sealed formula for a lighter finish
Cons
  • No heat protection figure listed
  • Amazon description field is empty, limiting ingredient detail
  • No independent review data available for this listing

Performance notes

The oil is formulated to add shine and fight frizz while detangling hair and replenishing moisture, using Roucou oil as the named active ingredient. Because it is described as non-sealed, it is meant to leave the hair surface breathable rather than coated, which affects how much shine builds up over repeated daily use.

Specifications

BrandDavines
Capacity & performance
Item Volume1.7 fl oz
Liquid Volume1.7 fl oz
Construction & materials
Material Type FreeParaben Free
Included components
Unit Count1.7 fl oz
Other details
Hair TypeAll
Scent NameSignature OI Scent
Item FormOil
Product BenefitsHair is shiny, hydrated, frizz-free and protected from styling and environmental factors.

Frequently asked questions

What is Roucou oil in Davines OI Oil?

Roucou oil is the named active ingredient in the formula, credited with adding shine and helping fight frizz.

What does non-sealed mean for this oil?

It means the formula is designed to sit on hair without fully sealing the cuticle, giving a lighter finish than a heavier sealing oil.