Fewer products. Better questions.

Alrénza is a Canadian scalp-care brand built around a simple standard: every ingredient, claim and piece of research should survive a second look.

Alrénza logo on dark green background

We are not building a shelf for the sake of a shelf.

Scalp Defense Oil is the only product on this site because focus is more useful than pretending every adjacent SKU deserves equal attention. The goal is to make one formula easy to understand, easy to evaluate and easy to buy.

Formulation first. Marketing second.

The formula comes first: clear ingredient roles, a stated 8% saw palmetto concentration, and one focused product instead of a shelf full of filler.
01

Made in Canada

Scalp Defense is made in Canada in small batches.

02

Full Formula Context

The full ingredient declaration is public, including the 8% saw palmetto concentration.

03

Amazon Fulfilment

Alrénza.com is information-first. Purchases are completed through Amazon Canada or Amazon USA.