Biolage Full Rescue Densifying Leave-In Spray for Fine Hair, 8.5 fl oz — Lightweight, Thickening

Biolage Full Rescue Densifying Leave-In Spray is a lightweight leave-in treatment that instantly adds visible thickness and improves manageability for fine, fragile hair.

Designed for hair that needs more body without added weight, this leave-in spray combines steam-distilled rosemary oil and triple-purified niacinamide to support fuller-looking strands while keeping hair soft and touchable. It detangles, controls frizz and flyaways, and layers easily with color-care routines thanks to a formula free of parabens, mineral oil, silicones, and artificial colorants.

How quickly will I notice thicker-looking hair?

Most users see an immediate visual boost in hair thickness and improved texture right after application because the spray adds density and slip without leaving residue. Results depend on hair type and styling habits, but the lightweight mist is formulated for instant effect with ongoing benefits when used with the Full Rescue system.

• Immediate perceptible fullness after one application
• Lightweight formula prevents weighing fine hair down
• Works on damp hair before styling for best distribution

What ingredients make this a good choice for fragile or thinning hair?

This formula uses steam-distilled rosemary oil to reinforce roots and niacinamide to help balance the scalp and retain moisture in the strand. Both ingredients are selected to support stronger-looking hair while maintaining movement and softness.

• Rosemary oil for root fortification and improved feel
• Triple-purified niacinamide helps scalp balance and moisture retention
• Free of parabens, silicones, mineral oil, and colorants

How do I use the spray for best results in my styling routine?

Apply to freshly washed, towel-dried hair, spraying evenly from roots to ends and combing through to distribute. Style as usual—heat tools or air-dry—and reapply lightly to dry hair only if you need extra control or detangling between washes.

• Spray on damp hair after shampooing and conditioning
• Comb through for even coverage and easier styling
• Compatible with color-treated hair and other styling products

Will this leave-in work with my color-treated hair and other Full Rescue products?

Yes—this leave-in is formulated to be safe for color-treated hair and complements the Full Rescue Shampoo, Conditioner, and Mask for a fuller-looking, healthier hair regimen. It layers smoothly with other products without buildup because of its lightweight composition.

• Color-safe formula that won’t dull treated hair
• Pairs with Full Rescue collection for cumulative benefits
• No heavy silicones or oils that cause residue

Who is this for: This spray is tailored for people with fine, fragile, or breaking hair who want immediate, natural-looking density without stiffness or weight. It’s also suitable for those maintaining color-treated hair who need detangling, frizz control, and a healthier scalp feel as part of a regular care routine.

Ingredients

Aqua/Water/Eau, Alcohol Denat. PVP, PEG-40 Hydrogenated Castor Oil, Triethanolamine, Propylene Glycol, Phenoxyethano Parfum/Fragrance, Acrylates/Beheneth-25 Methacrylate Copolymer Capril Glycol, Biotin, Limonene, Niacinamide, Rosmarinus Officinalis Leaf Oil/Rosemary Leaf Oil, Hexyl Cinnamal, Coumarin, Benzyl Alcohol, Zinc PCA, Safflower Glucoside, Linalool, Amyl Cinnamal, Geraniol, Isoeugenol, Alpha-Isomethi Onone, Hydroxycitronellal, Benzyl Benzoate, Cinnamyl Alcohol, Citronello Tocopherol, Sodium Citrate. F.I.L. N70050566/1