STRENGTHEN SYSTEM

Structural Support + Resilience

System Overview

In order to help hair retain its elasticity, manageability, and long-term performance, this approach focuses on creating a stronger, more responsive foundation.

STRENGTHEN — Powered by TriCore Complex™

TriCore Complex™, a component of the Strengthen System, combines surface conditioning and protein support to reinforce the hair fiber without making it hard.


TriCore maintains flexibility and touchability while allowing strength to develop gradually through the balance of bioavailable proteins, peptides, and emollients. Without becoming brittle or losing its suppleness, hair feels more stable and durable.


This method maintains natural movement while supporting structural integrity.

Defined by Science

Strengthen formulas are engineered to reinforce hair structure, elasticity, and resilience through a deliberate protein architecture.

Guided by Nature

Hydrolyzed Quinoa Protein and Prickly Pear Seed Oil support strength and flexibility while improving hair integrity, resilience, and surface smoothness.

Balanced by Design

The Strengthen System supports durable hair performance while maintaining softness and natural movement.

System Approach

The Strengthen System features products designed to reinforce hair integrity without stiffness. Equinox Revitalizing Shampoo cleanses while supporting strength and structural integrity. Equinox Revitalizing Mask reinforces resilience and elasticity. Stratus Leave-In Conditioner supports strength and control throughout the day.

Explore the Strengthen System