{"id":362,"date":"2024-01-25T19:53:06","date_gmt":"2024-01-25T18:53:06","guid":{"rendered":"https:\/\/invar.nl\/?page_id=362"},"modified":"2024-01-25T21:00:23","modified_gmt":"2024-01-25T20:00:23","slug":"wool-wash","status":"publish","type":"page","link":"https:\/\/invar.nl\/?page_id=362","title":{"rendered":"Wool wash"},"content":{"rendered":"\n<p>(short description of the project + goals)<\/p>\n\n\n<ul class=\"wp-block-latest-posts__list has-dates wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/invar.nl\/?p=233\">Laundry detergents<\/a><time datetime=\"2024-01-23T14:58:34+01:00\" class=\"wp-block-latest-posts__post-date\">23 January 2024<\/time><div class=\"wp-block-latest-posts__post-full-content\"><!-- wp:paragraph -->\n<p>I want to make my own soap-free laundry detergents; one for wool wash and one for general laundry. The general one should use aggressive surfactants, the wool one must obviously be mild. I haven&#8217;t made any detergent before. <\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>I&#8217;m starting off my research <a href=\"https:\/\/thethingswellmake.com\/diy-liquid-laundry-detergent-recipe-no-soap\/\">here<\/a> at thethingswe&#8217;llmake, where they use liquid SLS, coco betaine, and decyl glucoside as surfactants, salt as a thickener, and preservatives. This looks like a great recipe for cotton and synthetics, but the SLS is too harsh for wool. <\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Wool is in some ways similar to human hair, and on hiking trips I&#8217;ve used my (CG) shampoo bar for washing my wool clothes. I think if ingredients are not CG, they are probably not good in a wool wash detergent too. Handwashing with <a href=\"https:\/\/www.soapmakingforum.com\/threads\/wool-wash-and-surfactants.78227\/post-813783\">mild shampoo<\/a> seems to be considered safe.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Wool wash detergents typically contain:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul><!-- wp:list-item -->\n<li>Surfactants such as SCS, lauryl glucoside, and cocamidopropyl betaine &#8211; similar to some shampoos. <\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Emollients like lanolin (wool fat). Typically 0-<a href=\"https:\/\/danishwool.com\/products\/kookaburra-wool-wash\">1%<\/a>, or 5-7.5% in lanolin replenishing formulations. However lanolin is probably <a href=\"https:\/\/heritageparklaundry.com\/blogs\/the-laundry-lowdown\/the-truth-about-lanolin-in-wool-detergent\">not<\/a> what I want, it&#8217;ll prevent moisture wicking of the garments.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Preservatives such as potassium sorbate or <a href=\"https:\/\/humdakin.com\/products\/sensitive-wool-and-cashmere-detergent-cleaning?variant=39706386169969\">2-phenoxyethanol<\/a><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>pH adjusters such as citric acid &#8211; pH should be <a href=\"https:\/\/www.soapmakingforum.com\/threads\/wool-wash-and-surfactants.78227\/\">neutral<\/a> to <a href=\"https:\/\/humdakin.com\/products\/sensitive-wool-and-cashmere-detergent-cleaning?variant=39706386169969\">acidic<\/a> (pH&lt;4 can help preserve)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>I guess I could just adjust the thethingswe&#8217;llmake formulation to use a milder anionic surfactant:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul><!-- wp:list-item -->\n<li>5% SCI &#8211; poorly soluble so <a href=\"https:\/\/www.humblebeeandme.com\/project\/sodium-cocoyl-isethionate\/\">mix<\/a> with coco betaine first (melt the surfactant phase?)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>5% Coco betaine<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>3% Coco glucoside<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>2% table salt<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>pH adjustment to <a href=\"https:\/\/journals.sagepub.com\/doi\/10.1177\/0040517508099390\">pH 5-7<\/a> is ideal for wool, <a href=\"https:\/\/thethingswellmake.com\/beginners-guide-to-natural-preservatives\/\">pH &lt;5.5<\/a> is ideal for Geoguard, <a href=\"https:\/\/www.humblebeeandme.com\/project\/sodium-cocoyl-isethionate\/\">pH &gt;6.0<\/a> is best for SCI because otherwise it will start to hydrolyse. Maybe another surfactant or preservative? Aim for pH 5.5-6.0 otherwise<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>1% Geoguard<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/div><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>(short description of the project + goals)<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":197,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-362","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/pages\/362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/invar.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=362"}],"version-history":[{"count":3,"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/pages\/362\/revisions"}],"predecessor-version":[{"id":435,"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/pages\/362\/revisions\/435"}],"up":[{"embeddable":true,"href":"https:\/\/invar.nl\/index.php?rest_route=\/wp\/v2\/pages\/197"}],"wp:attachment":[{"href":"https:\/\/invar.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}