Pure Blue Japan Review: Sustainable and Ethically Sourced Chemical Free Demin

Pure Blue Japan

Because Pure Blue Japan’s online store is JavaScript-rendered and blocks automated reading, its full catalogue cannot be scanned to the Throne Standard, so no whole-catalogue fibre percentage is published. A headline figure is only shown once 100% of a range has been read.

What has been read so far is a sample of 67 Pure Blue Japan styles. In that sample:
• 67 styles (100.0%) 100% plant (organic/regenerative cotton, linen, hemp)
These figures describe only that 67-style sample, not Pure Blue Japan’s entire range, so treat them as indicative until the full catalogue can be read.

55 / 5Eco rating · Fully natural
Fibre%
100% plant fibre100%
2026-08-04

The full product-by-product breakdown for Pure Blue Japan is being added.

What this scan could read

Every product listed in Pure Blue Japan's live catalogue is retrieved and its stated fibre composition read individually, from the Pure Blue Japan product page, Pure Blue Japan's own product data and its material labels. A fibre percentage for Pure Blue Japan is published only when 100% of the Pure Blue Japan catalogue has been read. Items Pure Blue Japan sells that carry no clothing textile, such as gift cards, packaging, jewellery and homeware, are excluded from the percentage rather than counted as a pass or a fail.

Not recorded: Every product in this catalogue states its fibre composition.

Excluded: Nothing was excluded: every item counted is a textile product.

How we scan. Every figure on this page comes from the Throne Standard scan: we read the fibre composition off each live product on the brand’s own site, style by style, and count only single-fibre plant cloth (cotton, linen, hemp) as natural. Animal fibres such as wool, silk and cashmere and plastic-based synthetics such as polyester, nylon and elastane sit outside the plant-fibre figure, and regenerated fibres such as viscose, bamboo, modal and Tencel are counted as semi-synthetic. Percentages are calculated over the styles that state a composition; anything unlabelled is shown separately.

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