Stop Guessing. Start Evaluating.
An engineer’s frameworks for figuring out what’s actually in the products in your home — without the fear-mongering, without the perfectionism, and without anyone telling you what to buy.
Engineer turned low-tox educator. Creator of the CLEAR Method™ and STOP Method™ for evaluating product safety.
Don’t Trust Me. Trust Yourself.
The low-tox space is full of people telling you what to buy. This isn’t that. Casa de Chavez teaches you how to evaluate products the way an engineer would — so the next time you stand in a store aisle, you don’t need me. You have your own systematic way to decide.
TWO METHODS
Frameworks, not opinions.
The CLEAR Method™
Five steps to evaluate any product systematically — from defining what you need to choosing the best fit and reviewing how it worked out.
The STOP Method™
Three minutes in a store aisle. Four steps. A confident decision without analysis paralysis.
LATEST POSTS
From the blog.
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You Don’t Always Have an Hour. That’s Why I Built Two Methods.
One of the first things people ask me when they discover Casa de Chavez is some…
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How to Review Your Product Decisions and Build Low-Tox Expertise Over Time
Casa de Chavez CLEAR Method Series – Step 5: Review and Adjust
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How to Make Trade-Off Decisions Without Guilt: Choosing Between Safety, Budget, and Performance in Low-Tox Living
Casa de Chavez CLEAR Method Series – Step 4: Assess the Trade-offs
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How to Compare Low-Tox Products and Choose the Best Option for Your Family Using the CLEAR Evaluation Method
Casa de Chavez CLEAR Method Series – Step 3: Evaluate Your Options The Moment I Realized…
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DIY Natural All-Purpose Cleaners: Eco-Friendly Solutions
When I first noticed the red, itchy patches on my hands after cleaning the bathroom one…
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Natural House Cleaning for Beginners: Non-Toxic Methods Guide
Master natural house cleaning with our comprehensive beginner’s guide. Learn effective non-toxic methods and essential ingredients for a healthier home in 2025.
BROWSE BY TOPIC
Six places to start.
Low-Tox Foundations
The starting points. What “low-tox” actually means, why it matters, and where to begin without overwhelm.
The Methods
How the CLEAR and STOP methods work in practice — applied to real products, real decisions.
Cleaning
All-purpose, dish, bathroom, surface cleaners. Evaluations, swaps, and DIY alternatives that actually work.
Laundry
Detergents, fabric softeners, dryer sheets. Including the sensitive-skin and allergy-friendly angle.
Kitchen & Cookware
What you cook with and store food in. Cookware materials, plastics, water filtration, food storage.
Home & Air
Mattresses, furniture, textiles, air quality. The bigger investments that affect your home environment.
Hi, I’m Liz.
I’m an electrical engineer. I spent a decade in robotics before an autoimmune diagnosis pushed me to question everything in my home — the cleaning products, the personal care, the cookware, the air, all of it.
What I found wasn’t reassuring. The “low-tox” space online was full of fear-based marketing and influencer recommendations I was supposed to take on faith. Neither worked for someone trained to evaluate evidence.
So I built my own approach. The CLEAR Method™ and STOP Method™ are the frameworks I use to evaluate every product in my home. Casa de Chavez is where I teach them — not so you’ll trust me, but so you won’t have to.