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6/27/2026
You Thought You Found Clean Underwear. Look Again.

You Thought You Found Clean Underwear. Look Again.

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The merino wool underwear you are wearing right now went through a chlorine chemical bath before it was packaged and sold to you as "natural." 75% of all machine-washable merino wool is superwash-treated. (Source: EU LIFE Project LIFE05-ENV-D-000195) Here is what that means. Your wool was submerged in chlorine that burned off the natural protective scales of every fiber. That process creates dioxins, one of the most toxic substances on earth. Then each stripped fiber was coated in Hercosett 125, a plastic resin made from petrochemicals including epichlorohydrin, a known toxic compound. 600 tonnes of this plastic polymer are applied to wool globally each year. 76% of it is Chlorine-Hercosett. You bought merino wool because it was supposed to be the clean option. Breathable. Antimicrobial. Temperature regulating. But superwashing strips all of that out. The lanolin that kills bacteria on contact. The moisture-wicking. The natural odor resistance. Destroyed. Replaced with a plastic shell that sheds microplastics directly against scrotal skin that is 42x more absorbent than your forearm. (Source: Feldman & Maibach, J Invest Dermatol 48:181-183) Superwash-treated wool cannot even be certified organic under GOTS. Chlorination of wool is explicitly prohibited. (Source: Global Organic Textile Standard) That is what "machine-washable merino" actually means for 75% of the market. PRIMALS Merino Wool Boxer Briefs are never superwashed. Never chlorine-treated. Never plastic-coated. We use ozone technology. A chemical-free process that keeps your wool fully machine-washable without stripping, coating, or compromising a single fiber. Every natural property stays intact. ✅ 100% New Zealand Merino Wool. Never superwashed. ✅ Ozone-treated. Zero chlorine. Zero plastic resin. ✅ Natural lanolin preserved. Kills bacteria on contact. ✅ Natural rubber and organic cotton waistband. ✅ Temperature regulating. Zero hormone disruptors. ✅ Trusted by 100,000+ customers. 🤝 8-Pack Bundle. BEST VALUE. SAVE $254. 🤝 +2 FREE PRIMALS Merino Wool Boxer Briefs 🤝 +1 FREE PRIMALS Blue Light Blocking Glasses 🤝 +1 FREE PRIMALS Hair-Strengthening Shampoo 🤝 +1 FREE PRIMALS Body Wash 🤝 +1 FREE Testosterone Maximization Guide 🤝 FREE Shipping Your "natural" merino went through an industrial chemical bath. That is not clean. That is marketing. You deserve merino that was never touched by chlorine or plastic. Tap below.

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