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What's inside the guide
Forty-seven pages, eighteen chapters, every claim labeled by study type. Three short sections of framework, eight room chapters, two timelines, a what-we-don't-know page, and a glossary.
The framework (pages 4 to 9)
Five ideas that decide which swaps matter and which don't: hazard versus risk, dose and frequency over presence, why dust dominates household exposure, why the developmental window weighs more, and why perfection is the wrong goal. Three exposure pathways (inhalation, ingestion, dust) with the actions that close each one. The five highest-impact swaps for a typical household, with the evidence behind each.
Why it matters (pages 10 to 17)
Five short explainers on the biology. The dust pathway and why your floor matters more than your fumes. Endocrine disruption at low dose. Bioaccumulation and why PFAS gets ranked above BPA. The first thousand days of pregnancy and infancy. Why a toddler's exposure is not your exposure.
Room by room (pages 18 to 33)
Eight rooms, each with a short essay, a list of swaps ranked by impact and cost, what to avoid, and a dedicated sidebar where the priorities shift for pregnancy or young children. The kitchen, the bathroom, the bedroom, the nursery, the living room, the laundry, outdoor and garden, the garage and utility room.
The plans (pages 34 to 39)
A 30-day quick start sequenced for impact: water and dust in week one, kitchen plastics and fragrance in week two, personal care and laundry in week three, the bedroom audit in week four. A year-one roadmap that paces the bigger swaps so you don't replace functional items today and don't wait three years for the right ones.
What we don't know (page 40)
The page that earns the rest. Replacement chemistries are mostly unstudied. Mixture effects are largely uncharacterized. Individual variation is real and not yet clinically actionable. This page draws the limit so the rest of the guide can be confident inside it.
Glossary and sources (pages 41 to 47)
Eighteen substances defined, with the rooms they show up in. Fifteen primary sources, every one a specific study, regulatory filing, or peer-reviewed paper, never a homepage citation.
Common questions about the guide
Who is this guide for?
Anyone trying to lower their household chemical exposure without rebuilding their life around it. The guide assumes you have a budget, a schedule, and an existing home with existing furniture. It ranks swaps by impact and cost so you can act on three or four high-yield changes and skip the rest.
Is it really free?
Yes. No email required, no signup wall, no credit card. The guide downloads instantly. If you want a once-a-month note from Lara, the form on this page is optional.
How is this different from EWG or Made Safe?
EWG and Made Safe are databases. They tell you what is in a product. The Pure Home Guide is a field manual. It tells you which exposures route through dust versus food versus skin, which swaps deliver most of the benefit, and what order to make them in. Every claim carries a study-type label so you can weigh the evidence yourself.
How often is the guide updated?
Roughly twice a year. The current edition is dated 2026. When new federal regulations land (PFAS MCLs, flame-retardant phaseouts) or major studies publish, the guide is revised and re-issued. Subscribers get the new edition automatically.
Can I share it with friends or print copies?
Please do. Forward the link, print it, hand it to a pregnant friend or a new neighbor. The guide exists to be useful. The only thing not allowed is republishing the contents on another site as if it were yours.
While the PDF downloads, start here
If you want one article to read first, I'd start with our review of the best water filters for PFAS removal. It's the swap I keep ranking first in the guide, and the article goes deeper on the certifications and contaminant lists than I have room for in the PDF.