Guides
Is polyester bad for me
- Is polyester bad for you? What the research shows
Polyester is plastic against your skin. The antimony in the fiber, the PFAS finishes, the odor and the microfibers, with the studies behind each.
Fiber vs fiber
- Nylon vs polyester: both are plastic, and how they differ
Nylon and polyester are both plastic made from petrochemicals. How they differ in what they are made of, what they shed, how they smell, and what to wear.
Cotton: kinds, labels and costs
- Is cotton sustainable? Water, pesticides and chemical finishes
Cotton is natural, but growing and finishing it has costs: irrigation, insecticides, formaldehyde resins and PFAS. The real numbers and fixes.
- Organic cotton vs regular cotton: pesticides, GMOs and labels
What makes cotton organic, what regular cotton is sprayed with, how much organic cotton exists, and how to tell certified organic from a marketing word.
- Pima, Supima and Egyptian cotton: what the names mean
Pima is American extra-long-staple cotton, Supima is a trademark for 100% US Pima, and most Egyptian cotton isn't extra-long staple. How to read the labels.
Chemicals and plastic in clothing
- The chemical finishes on your clothes, and what washing removes
Wrinkle-free resins, water and stain repellents, odor control and flame retardants: what's applied to new clothes, what it's made of, and what washing removes.
- OEKO-TEX and GOTS: what the certifications test for
OEKO-TEX tests finished textiles for harmful substances and certifies polyester. GOTS certifies organic fiber and bans virgin polyester. What each one means.
- PFAS in clothing: which clothes have forever chemicals
PFAS, the forever chemicals, get into clothing through water-, stain- and oil-repellent finishes. Which clothes have them, what they do, and how to avoid them.