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OI is our award-winning, customer-favorite collection of hair care formulated with vitamin-packed roucou extract. The hero ingredient hails from the same Amazonian annatto plant that produces the bright-red spice achiote. The oil from its seeds is brimming with carotenoids, vitamin A, selenium, and antioxidants that deeply nourish hair while also shielding strands from external aggressors. With hundreds of five-star reviews, you can see why the OI line is one of our proudest achievements.
Our OI Liquid Luster is a secret alley every hairdresser should have in their back pockets. Our customers say their hair "has never been shinier" than after a Liquid Luster treatment, and that they can't leave their salon without it. Find out how Davines hairdressers keep their clients coming back for the silkiest, shiniest "glass hair" ever thanks to Liquid Luster.
What Is OI Liquid Luster?
This is our ultimate rinse-away shine treatment. The entire formula is enriched with vitamins and nutrients that make hair six times shinier* and 3.5 times silkier**, test subjects say. Customers report "extreme softness"*** after a single treatment.
Its innovative weightless, water-like texture allows hydrating agents to penetrate to the hair fiber without any type of barrier, meaning instant results with zero processing time required. The fast-acting formula works by smoothing over the hair cuticle, leaving any type of hair with the sleek glassy finish that customers covet.
*Instrumental test on hair locks, hair shine increase, OI Shampoo + Liquid Luster vs OI Shampoo only.
**Instrumental combing test on hair locks, OI Shampoo + Liquid Luster vs OI Shampoo only.
***Self-evaluation of 63 volunteers worldwide.
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General Guidance on How to Use It
We recommend using OI Liquid Luster on towel-dried hair. Squeeze out excess water after shampooing, then fully saturate the hair from mid-lengths to ends, combing through to distribute the product evenly. Use the dose markers on the side of the bottle to help you measure the right amount. We recommend one dose (20 milliliters) for short hair and two doses (40 milliliters) for long hair. Add an extra dose for hair that's very long and/or very curly.
3 Salon Treatments Using OI Liquid Luster
OI Liquid Luster can ideally be used with other products in the OI family to give clients extra nourishment and control, weightless shine, and natural-looking texture. Read on for three ways we recommend incorporating OI Liquid Luster into your salon treatments, depending on your client's hair needs.
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ForControl&ShineThis routine delivers more control to medium to thick hair types that can be quite unruly. Follow these steps to tame frizz, improve texture, and add shine.
1. Apply our extra nourishing OI Hair Butter to damp hair as a pre-shampoo treatment, leaving to process for five to 10 minutes.
2. Wash the hair clean with OI Shampoo.
3. Squeeze excess water from hair and treat with OI Liquid Luster.
4. Rinse clean and follow with OI Conditioner for added hydration. Towel dry when finished.
5. Mix a few drops of OI Oil and OI All in One Milk in your hand or a bowl, then apply to damp hair for an even silkier finish.
6. Optional: Apply a small amount of [More Inside This is an Invisible Serum](https://world.davines.com/products/this-is-an-invisible-serum) to damp or dry hair for extra frizz protection and tousled, flexible control.
7. Proceed with styling.
ForBody&ShineThis method is perfect for adding body and shine to medium to fine hair types. Follow the steps below for best results.
1. Wash hair with OI Shampoo.
2. Squeeze out excess water and treat wet hair with OI Liquid Luster.
3. Rinse hair clean and towel dry.
4. Mix OI Oil and Liquid Spell and apply the mixture to damp hair.
5. Optional: To get the perfect blowout, apply our [More Inside This is a Blow Dry Primer](https://world.davines.com/products/this-is-a-blow-dry-primer) to wet or towel-dried hair. It doubles as a heat protectant and styling spray that provides shine, reduces styling time, and creates a barrier against humidity.
6. Proceed with styling.
ForShinyWavesThis method enhances the shine of waves while maintaining natural hair movement.
1. Wash hair with OI Shampoo.
2. Squeeze out excess water and treat wet hair with OI Liquid Luster.
3. Rinse hair clean and follow up with either OI Hair Butter or OI Conditioner based on your client's hair type. OI Hair Butter is a richer formula that can be used for more intense conditioning and nourishment.
4. Rinse hair clean and towel dry.
5. Apply OI Oil to towel-dried hair before styling if you want a soft and naturally luminous look. Alternatively, you can apply to dry hair after styling for extra shine and control.
6. Proceed with styling.
7. Optional: Finish with our lightweight [More Inside This is a Shimmering Mist](https://world.davines.com/products/this-is-a-shimmering-mist) for velvety shine and frizz protection.
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Sustainability Features of OI Liquid Luster
We know how important sustainability is to you. Our OI Liquid Luster shine treatment is made with 95% biodegradable ingredients. We produce and package it using 100% renewable energy sources right here at Davines Village. Any carbon dioxide emitted during the production process is offset. Additionally, the product is packaged in a bottle made of post-consumer recycled plastic, and all packaging materials are fully recyclable.
More Must-Haves From the OI Line
Keep these OI favourites in your line-up for customers who deserve a little extra.
OI Shampoo: Beautifying softening shampoo recommended for daily use.
OI Conditioner: Rich hydrating conditioner for immediate softness, and shine.
OI All In One Milk: Anti-frizz, heat-protecting leave-in spray to apply before styling.
OI Oil: Frizz-fighting and detangling oil that softens hair in need of hydration.
OI Hair Butter: Thick, rinse-away conditioning treatment for use before and/or after shampooing.
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