Nécessaire

Rosemary Hair Duo | Multi-Protein

Rosemary Hair Duo | Multi-Protein - Main image
$67 $100 In stock

Category: Hair

The Necessary™ | Care For Your Body | Care For Your Planet

The Rosemary Hair Duo is a 2-step strengthening duo for the hair. The Rosemary Shampoo and Rosemary Conditioner are infused with Pure Essential Rosemary Oil, Plant Proteins (Rice/Jojoba/Quinoa/Potato/Pea) and Essential Ceramides (AG/AP/EOP/NG/NP). Pure Essential Rosemary Oil helps stimulate the scalp, while Plant Proteins and Ceramides help strengthen the hair shaft and reduce hair breakage. This duo also contains a micro-dose of the powerful hair peptide - Capixyl™. All ingredients are uniquely delivered in gentle, clean formulas for a non-stripping, non-drying experience. The signature scent of Rosemary pairs Fine Fragrance notes of Rosemary, Mandarin, Jasmine, and Cedar for the best in sensory. Dermatologist-Tested. Hypoallergenic. Non-Comedogenic. Color-Safe. Keratin-Safe.

Clinical Study | 30+ panelists used The Rosemary Shampoo + Conditioner for 4 weeks | Third-Party Verified Clinic | Q2 2025.

  • 93% Said They Felt Improvement In Hair Strength
  • 87% Said They Felt Improvement In Hair Resilience
  • 84% Said They Saw Reduction In Hair Thinning
  • 84% Said They Saw Reduction In Hair Breakage


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    Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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    Standard Shipping · United States: $0.00

    Express Shipping · United States: $3.99

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    United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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    Customer Reviews (4.6 / 5 · 27 reviews)

    Avery H. ★★★★★

    My hair feels noticeably stronger after just a few washes—the multi-protein formula really makes a difference. The two-step routine is easy to follow, and my strands are way less brittle.

    Jacob ★★★★★

    My hair feels noticeably thicker after just two washes with this multi-protein duo, and the rosemary scent is pleasantly subtle, not overpowering. The conditioner left my ends soft without weighing down my roots—exactly what I needed.

    Eva O. ★★★★★

    Finally found a shampoo and conditioner duo that actually strengthens my hair without feeling heavy. The rosemary scent is subtle but refreshing, and just a small amount of the conditioner makes my strands noticeably softer.

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