Biolage Smooth Proof frizz control hair serum with Camellia Oil — lightweight leave-in, 24-hour humidity protection

Biolage Smooth Proof Serum is a lightweight leave-in concentrate with camellia oil and glycerin that tames frizz, adds shine, and strengthens brittle strands for up to 24 hours of humidity protection.

Designed for frizz-prone and color-treated hair, this concentrated serum creates a protective layer without weighing hair down. Micro-dosed camellia oil smooths the cuticle while glycerin draws in and locks moisture, helping hair look sleeker and feel softer. The vegan, cruelty-free formula avoids parabens, mineral oil, silicones, and artificial colors, making it a clean styling step you can use daily.

How does Smooth Proof Serum control frizz throughout the day?

The serum forms a lightweight, flexible barrier around each strand that reduces moisture exchange with humid air—the main trigger for frizz. By smoothing the cuticle and sealing in hydration, it helps hair resist puffing and flyaways for extended periods.

• Micro-dosed camellia oil smooths cuticle layers.
• Glycerin attracts and retains moisture without heaviness.
• Leaves hair manageable for up to 24 hours in many conditions.

Will this serum weigh my hair down or make it greasy?

No—the formula is concentrated but lightweight, meant to be used sparingly. One pump warmed between the palms and evenly applied to damp hair delivers slip and protection without residue, so styles stay bouncy rather than flat.

• Apply 1 pump for short or fine hair; 2–3 pumps for thick or long hair.
• Distribute from mid-lengths to ends; avoid the scalp to prevent greasiness.
• Can be used before blow-drying or on dry hair for targeted smoothing.

How does this fit into my haircare routine with other Smooth Proof products?

Smooth Proof Serum is the leave-in step after shampooing and conditioning to lock in the benefits of the system. When paired with Smooth Proof Shampoo and Conditioner, it helps amplify frizz control and shine while supporting overall manageability.

• Use after towel-drying following Smooth Proof Shampoo and Conditioner.
• Works with heat tools—apply before blow-drying or straightening for extra protection.
• Reapply a tiny amount to dry hair to tame flyaways between washes.

Is this safe for color-treated or chemically processed hair?

Yes—this serum is formulated to be gentle on color-treated hair and free from ingredients that commonly cause buildup or stripping. It helps maintain smoothness and shine without compromising color vibrancy when used as directed.

• Vegan and cruelty-free, with no parabens, mineral oil, silicone, or colorants.
• Helps reduce frizz while preserving salon color between treatments.
• Suitable for a variety of hair textures and chemical services.

Who is this for? Biolage Smooth Proof Serum is ideal for anyone with frizz-prone, dry, or brittle hair who wants a fast, leave-in solution for smoother, shinier strands. It's particularly useful for people with wavy, curly, or chemically treated hair who need daily humidity defense without heavy styling products. Keep a small pump in your styling kit if you regularly battle flyaways, want to boost shine, or need an easy pre-styling protectant.

Ingredients

1218385MX7 - INGREDIENTS: ISODODECANE • DIMETHICONE • DIMETHICONOL • PARFUM / FRAGRANCE • LIMONENE • HEXYL CINNAMAL • GLYCERIN • CAMELLIA OLEIFERA SEED OIL • COUMARIN • BENZYL ALCOHOL • LINALOOL • AMYL CINNAMAL • GERANIOL • ISOEUGENOL • ALPHA-ISOMETHYL IONONE • HYDROXYCITRONELLAL • BENZYL BENZOATE • CINNAMYL ALCOHOL • CITRONELLOL • TOCOPHEROL (F.I.L. N70047864/2).