Biolage Hydra Source Daily Leave-In Tonic — 13.5 fl oz Lightweight Hydrating Detangler & Blowout Primer with Hyaluronic Acid

Biolage Hydra Source Daily Leave-In Tonic is a lightweight, leave-in spray that instantly hydrates, detangles and reduces frizz for dry or color-treated hair.

This everyday tonic blends micro-filtered aloe vera with fermented hyaluronic acid to restore moisture balance without weighing hair down. Designed as a multi-tasking primer, it smooths cuticles for shine, eases comb-through, and offers thermal protection for styling. The formula is vegan and packaged with high recycled-plastic content, making it a practical pick for routine hydration and styling prep.

How does this tonic make dry hair easier to manage?

Hydra Source Daily Leave-In penetrates dry strands to replenish surface moisture and soften texture, helping knots and tangles slip apart. Its lightweight mist leaves no sticky residue, so hair stays touchable and resilient between washes.

• Micro-filtered aloe vera soothes and smooths hair surface.
• Fermented hyaluronic acid attracts and holds moisture within the fiber.
• Spray-on formula detangles quickly for easier combing and styling.
• Non-greasy finish preserves volume and movement.

Will it protect my hair from heat styling?

The tonic functions as a blowout primer by conditioning strands and minimizing frizz before heat is applied. While it helps reduce the visible effects of heat styling, pair it with a dedicated heat protectant for extreme-temperature tools to maximize protection.

• Preps hair for smoother blow-drying and straighter results.
• Low-residue mist reduces flyaways that flare under heat.
• Works well under serums or creams for layered protection and finish.

How should I use the leave-in tonic for best results?

For everyday hydration, spray lightly onto clean, damp hair and comb through from roots to ends—no rinse needed. You can also mist on dry hair to tame frizz or refresh texture between washes.

• Mist 6–8 inches from hair for even coverage on damp hair.
• Use a wide-tooth comb or fingers to distribute product and detangle.
• Style as usual—blow-dry, air-dry, or use heat tools with appropriate protection.
• Layer with Biolage Hydra Source Shampoo and Conditioning Balm for deeper hydration.

Is this tonic suitable for color-treated or fine hair?

The formula is developed to hydrate without overburdening strands, making it compatible with color-treated hair and many fine textures. Because it’s a lightweight spray, it’s less likely to weigh thin hair down than heavy creams or oils.

• Safe for color-treated hair—helps maintain softness and shine.
• Light texture suits finer hair when used sparingly at the mid-lengths and ends.
• For very fine hair, apply mainly to ends to avoid flattening roots.

Who is this for: Biolage Hydra Source Daily Leave-In Tonic is ideal for anyone with dry, dull, or frizz-prone hair seeking a fuss-free hydration and detangling step. It’s especially useful for people who blow-dry regularly, color their hair, or want a lightweight product to refresh texture and ease combing between washes. If you prefer vegan formulas and packaging that uses recycled materials, this tonic aligns well with those priorities.

Ingredients

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