NEXXUS® Keraphix Collection for Stronger, More Resilient Hair

Nexxus is repositioning around its core strength—protein science—by modernizing its packaging and doubling down on performance-driven hair repair. To bring this to life, the brand tapped Christina Aguilera as the face of its “Nexxtina” campaign and Keraphix Collection, aligning with a partner whose decades-long hair evolution—and damage—credibly reflects the product’s benefits. As a performer, entrepreneur, and mother, Aguilera embodies the high-performing, confidence-driven consumer Nexxus is targeting, reinforcing the idea that haircare should work as hard as she does.

At the center of the campaign is the Keraphix Liquid Crystallizer, positioned as a hero product delivering 34x stronger hair in one use. Backed by more than 15 years of R&D, Nexxus’ Keratin Resistance Therapy (KRT) uses proteomics to rebuild hair from the inside out, restoring strength at a molecular level rather than masking surface damage. The messaging leans into both efficacy and ease, with Aguilera highlighting the product as a streamlined, high-impact solution within her routine.

The “Nexxtina” campaign rolls out across digital, social, and out-of-home, anchored by a high-impact NYC teaser at the Domino Sugar Factory ahead of the official creative launch on April 23. By pairing a culturally iconic figure with credible, science-backed innovation, Nexxus effectively reintroduces its core proposition to a modern audience, bridging performance with personality to drive relevance and differentiation.

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