Hats & Caps
Headwear including baseball caps, sun hats, beanies, and fashion hats made from various fabrics.
Why It Matters
Hats are worn on the head where skin absorbs chemicals readily. Sweatbands are in direct contact with sweating skin. Dyes in colored hats can cause allergic reactions, especially when sweating. Some outdoor hats are treated with PFAS for water resistance.
Chemicals of Concern in This Product
Restricted Azo Dyes
A large class of synthetic dyes used extensively in textile and leather coloring. While most azo...
Disperse Dyes
A class of dyes used primarily for coloring synthetic fabrics like polyester, nylon, and...
Formaldehyde and Formaldehyde Releasers
A colorless gas used as a preservative, disinfectant, and textile finishing agent. In clothing,...
PFAS (Per- and Polyfluoroalkyl Substances)
A large group of synthetic chemicals known as 'forever chemicals' because they don't...
Ingredient Red Flags
Watch for these on ingredient labels:
- Water-resistant claims without PFAS-free info
- Hat causing forehead rash or irritation
- Very cheap imported hats
- Strong chemical smell
What to Look For
- ✓Organic cotton or natural materials
- ✓PFAS-free water resistance
- ✓No wrinkle-free treatments
Finding Safer Options
Organic cotton hats, straw or natural fiber sun hats, wool beanies. Wash new hats before wearing, especially those with sweatbands.
Certifications to Look For
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