Sustainability
At Number Sixth, we believe great haircare should also be mindful of the world around us. Our formulas are designed to be effective while remaining gentle, using carefully selected ingredients that balance performance and care.
Sulfate-free formulas using carefully selected ingredients that balance performance and care — effective without being harsh.
Designed with simplicity and practicality in mind, reducing excess while maintaining a premium, polished experience.
We continuously explore ways to improve, from formulation to packaging, as part of our long-term commitment to responsible beauty.
Our Promise
"We avoid unnecessary additives wherever possible — because what's left out matters just as much as what's inside."