Is Costco Toilet Paper Bleached?

Is Costco Toilet Paper Bleached? Kirkland Signature (Costco Brand): Uses PCF in recycling and ECF for pulp, most likely with chlorine dioxide. … Use hydrogen peroxide instead of chlorine to bleach pulp. Which toilet paper has no bleach? It’s not only made from 100 percent recycled paper, it’s also packaged in 100 percent recyclable materials.