Davines OI Oil Lightweight Anti-Frizz Hair Serum — 4.56 fl oz, Shine-Boosting & Detangling Treatment

Davines OI Oil is a lightweight, multi-tasking hair oil that smooths frizz, boosts shine, and helps detangle while protecting hair from styling and environmental stress.

Formulated in Parma, Italy, this leave-in oil blends roucou oil with antioxidant-rich botanicals to hydrate and add glossy definition without weighing hair down. Use a pump before styling to detangle and shield hair from heat, or apply a small amount after drying for instant shine and frizz control. Available in a travel-friendly 1.69 fl oz and a full 4.56 fl oz bottle, it fits routines that range from minimal to stylist-level.

How does Davines OI Oil improve shine and texture?

OI Oil lays a fine, non-greasy veil over each strand to reflect light and smooth the hair cuticle for an immediately glossier finish. The lightweight formula avoids buildup so hair stays bouncy rather than flat.

• Roucou oil imparts natural radiance and smoothness.
• Silicone-free formulation for flexible shine.
• Fast-absorbing, non-oily feel preserves volume.

Can I use this oil on wet and dry hair?

Yes — the oil is designed for versatile application. Apply to damp hair to aid detangling and speed up blow-drying, or smooth a tiny amount over dry hair to tame flyaways and revive shine between washes.

• On wet hair: distributes easily, helps styling and reduces drying time.
• On dry hair: quick touch-ups for frizz and added gloss.
• Suitable as a pre-styling heat shield when used sparingly.

Will Davines OI Oil weigh down fine hair or make hair greasy?

Formulated to be weightless, OI Oil avoids the heavy residue common in richer serums. Fine-haired users should start with a single pump and focus on mid-lengths to ends to get smoothing benefits without compromising lift at the roots.

• Light texture absorbs fast, minimizing greasiness.
• Use 1 pump for fine hair, 2–3 for thicker or coarse hair.
• Works layered with other styling products when applied sparingly.

What kinds of protection and nourishment does it offer?

Beyond cosmetic shine, the formula brings antioxidant support from botanicals to help defend hair against environmental stressors and daily styling. It also replenishes moisture along the shaft, which helps reduce breakage and improves manageability.

• Antioxidant-rich ingredients combat free-radical damage.
• Moisture-binding components help keep hair pliable and less prone to split ends.
• Detangling action reduces mechanical breakage during combing.

Who this is for: Davines OI Oil suits anyone wanting an elegant, no-weight finish — from those with dry, coarse or frizz-prone hair needing deep smoothing, to people with fine hair who want controlled shine without heaviness. It’s also a convenient option for travelers and daily users seeking a multipurpose, salon-grade finish in a compact bottle.