Nécessaire Rosemary Hair Duo Strengthening Shampoo & Conditioner Set 250 ml — Sulfate-Free, Color-Safe

Nécessaire Rosemary Hair Duo is a two-step, sulfate-free shampoo and conditioner system formulated with rosemary oil, five plant proteins and essential ceramides to strengthen strands and reduce breakage.

The Rosemary Hair Duo pairs a gentle Rosemary Shampoo and a lightweight Rosemary Conditioner designed to support thinning-prone hair while protecting color and maintaining scalp health. This set combines a plant-forward protein blend, five essential ceramides, and a pure rosemary essential oil scent to help fortify hair structure without silicones, sulfates, or parabens. Both products are dermatologist-tested, hypoallergenic, vegan, and Leaping Bunny certified for cruelty-free use.

How does this duo strengthen fragile or thinning hair?

The formula targets structural support with a mix of plant proteins plus ceramides that reinforce the hair shaft and help limit breakage from combing or styling. Rosemary essential oil complements those actives by delivering a targeted aromatic extract to the scalp while the non-stripping shampoo cleanses without removing natural moisture.

• Five plant proteins help fill and reinforce the hair fiber.
• Five essential ceramides restore the lipid barrier for healthier cuticle sealing.
• Gentle sulfate-free surfactants cleanse without drying.
• Pure rosemary essential oil provides an invigorating scent and topical support.

Will this set work on color-treated or chemically processed hair?

Yes — both formulas are color-safe and free of harsh sulfates, silicones and PEGs, making them safe for most color- and chemically-treated hair. The lightweight conditioner detangles and smooths without weighing dyed hair down, while the shampoo preserves color vibrancy by avoiding stripping surfactants.

• Color-safe formulation preserves pigments.
• No sulfates, parabens or silicones that can dull color.
• Light conditioning minimizes buildup on treated hair.
• Designed for routine use on dyed or relaxed textures.

How should I use the Rosemary Shampoo and Conditioner in my routine?

Use the Rosemary Shampoo to cleanse the scalp and roots, focusing on gentle massage rather than vigorous scrubbing; rinse thoroughly. Follow with the Rosemary Conditioner, applying mid-length to ends to detangle and soften, leaving it on for one to three minutes before rinsing for best results.

• Apply shampoo to wet hair, massage into scalp, rinse fully.
• Work conditioner through mid-lengths and ends; leave briefly then rinse.
• Use 2–3 times per week or as needed for your hair type.
• Pair with other Nécessaire hair treatments to target specific concerns.

What safety and formulation standards does this set meet?

The Rosemary Hair Duo follows clean-formulation principles: it is vegan, Leaping Bunny certified, hypoallergenic, non-comedogenic and dermatologist-tested. The products exclude sulfates, silicones, phthalates, parabens and PEGs, relying on a focused blend of plant proteins, ceramides and a pure rosemary essential oil to deliver performance without common irritants.

• Hypoallergenic and dermatologist-tested for sensitive scalps.
• Cruelty-free, certified vegan, and Leaping Bunny approved.
• Free from sulfates, silicones, parabens, phthalates and PEGs.
• Non-comedogenic and formulated to be gentle on skin and scalp.

Who is this for: The Nécessaire Rosemary Hair Duo is suitable for anyone looking to strengthen fragile, thinning-prone or frequently styled hair while preserving color. It’s a good match for users who prefer clean, fragrance-forward formulas that balance lightweight conditioning with targeted structural support — including folks with sensitive scalps, color-treated hair, or those seeking to reduce breakage from daily styling.

Ingredients

Aqua/Water/Eau, Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Betaine, Glycerin, Propanediol, Sodium Methyl Oleoyl Taurate, Sodium Methyl Cocoyl Taurate, Glyceryl Stearate, Sodium Cocoyl Isethionate, Rosmarinus Officinalis (Rosemary) Leaf Extract, Rosmarinus Officinalis (Rosemary) Leaf Oil, Rosmarinus Officinalis (Rosemary) Leaf Water, Hydrolyzed Jojoba Protein, Hydrolyzed Rice Protein, Hydrolyzed Pea Protein, Hydrolyzed Quinoa, Hydrolyzed Vegetable Protein, Ceramide AG, Ceramide AP, Ceramide EOP, Ceramide NG, Ceramide NP, Tocopherol, Linoleic Acid, Linolenic Acid, Acetyl Tetrapeptide-3, Acrylates Crosspolymer-4, Butylene Glycol, Cholesterol, Trifolium Pratense (Clover) Flower Extract, Calcium Gluconate, Citric Acid, Dextran, Niacinamide, Panthenol, Guar Hydroxypropyltrimonium Chloride, Sucrose Distearate, Trisodium Ethylenediamine Disuccinate, Dipropylene Glycol, Gluconolactone, Glyceryl Stearate, Hydrogenated Lecithin, Fragrance (Parfum), Phenoxyethanol, Potassium Sorbate, Sodium Benzoate, Sodium Carbonate, Sodium Chloride, Sodium Hydroxide, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Limonene, Linalool