Nécessaire

Rosemary Hair Duo | Multi-Protein

Rosemary Hair Duo | Multi-Protein - Main image
$44.8 $64 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


    Customer Reviews (4.6 / 5 · 27 reviews)

    Emma ★★★★★

    My hair feels noticeably stronger after just a few washes with this duo, and I love how the rosemary scent lingers without being overpowering. The shampoo lathers nicely and leaves my scalp feeling clean, while the conditioner detangles easily without weighing my hair down.

    Robert T. ★★★★★

    I’ve only been using this duo for two weeks but my hair already feels noticeably stronger and less brittle. The multi-protein formula really makes a difference without weighing it down.

    Benjamin R. ★★★★★

    My hair feels noticeably thicker after just a few washes with this protein-infused duo, and the conditioner really helps detangle without weighing it down. The rosemary scent is strong and refreshing, exactly what I hoped for.