Biolage Smooth Proof Leave-In Cream – 6.8 oz Frizz Control, Lightweight Camellia Oil & Glycerin for Manageability

Biolage Smooth Proof Leave-In Cream is a lightweight, camellia-oil and glycerin–infused leave-in that tames frizz, smooths cuticles, and boosts manageability without weighing hair down.

Designed for hair that reacts to humidity and everyday styling, this leave-in cream blends cold-pressed camellia oil and glycerin to smooth, detangle, and add shine. The formula is vegan and paraben-free, formulated to wrap hair strands with a light protective layer that helps resist flyaways and static while preserving natural movement. Apply to damp hair before styling to get a sleeker finish and easier brushing throughout the day.

How does this cream reduce frizz and fight humidity?

The cream works by aligning and smoothing the hair cuticle so moisture from the air is less likely to penetrate and cause puffiness. Camellia oil adds a conditioning barrier while glycerin attracts and retains the right amount of moisture to keep strands flexible, reducing the friction that leads to frizz.

• Cold-pressed camellia oil forms a lightweight shield against humidity.
• Glycerin helps hair retain balanced moisture without heaviness.
• Cuticle-smoothing action reduces flyaways and surface roughness.

Will it weigh my hair down or make it greasy?

No — the leave-in is formulated to be lightweight so it smooths and adds shine without residue. Use a small amount evenly through damp mid-lengths to ends to avoid buildup, and style as usual for natural movement with controlled hold.

• Micro-dosed camellia oil prevents oily film.
• Non-sticky texture helps maintain volume and bounce.
• Works well layered under styling tools or products.

How do I use this product for best results?

Dispense a small amount into your palms, emulsify, and distribute through towel-dried hair concentrating on mid-lengths and ends. Do not rinse; blow-dry or air-dry and finish with styling tools if desired. Pairing with the Smooth Proof shampoo and conditioner enhances the smoothing system.

• Apply to damp hair after cleansing and conditioning.
• Start with a pea-sized amount; increase for thicker hair.
• Layer under heat protectants or styling serums if needed.

What hair types benefit most from this leave-in cream?

This formula helps a wide range of hair that struggles with frizz, flyaways, or static: from naturally wavy and curly textures to straight hair that reacts to humidity. It’s particularly useful for mid-length to long hair needing detangling, added shine, and smoother styling.

• Best for frizz-prone, dry, or humidity-reactive hair.
• Suitable for chemically treated or color-treated hair.
• Works for fine hair when used sparingly and thicker hair with a bit more product.

Who is this for? Biolage Smooth Proof Leave-In Cream is ideal for anyone seeking a lightweight anti-frizz finish that improves manageability and shine without heavy silicones or greasiness. If you want a cruelty-free, paraben-free leave-in that pairs well with heat styling and helps keep hair presentable in humid conditions, this cream fits into a daily smoothing routine. Use it as part of the Smooth Proof system—shampoo, conditioner, leave-in, and finishing oils—to address persistent frizz and make styling faster and more consistent.

Ingredients

1082570MX6 - INGREDIENTS: AQUA / WATER / EAU • CETEARYL ALCOHOL • CETYL ESTERS • AMODIMETHICONE • BEHENTRIMONIUM CHLORIDE • PHENOXYETHANOL • PARFUM / FRAGRANCE • ISOPROPYL ALCOHOL • TRIDECETH-6 • CAMELLIA OLEIFERA SEED OIL • LIMONENE • CETRIMONIUM CHLORIDE • CHLORHEXIDINE DIHYDROCHLORIDE • GLYCERIN • HEXYL CINNAMAL • COUMARIN • BENZYL ALCOHOL • LINALOOL • AMYL CINNAMAL • GERANIOL • ISOEUGENOL • ALPHA-ISOMETHYL IONONE • HYDROXYCITRONELLAL • BENZYL BENZOATE • TOCOPHEROL (F.I.L. N70047884/2).