{"id":20107,"date":"2026-07-26T09:47:57","date_gmt":"2026-07-26T09:47:57","guid":{"rendered":"https:\/\/quick--recipes.milaf.ma\/?p=20107"},"modified":"2026-07-26T09:47:57","modified_gmt":"2026-07-26T09:47:57","slug":"the-mystery-of-the-colored-line-on-the-toothpaste-tube","status":"publish","type":"post","link":"https:\/\/quick--recipes.milaf.ma\/index.php\/2026\/07\/26\/the-mystery-of-the-colored-line-on-the-toothpaste-tube\/","title":{"rendered":"The mystery of the colored line on the toothpaste tube"},"content":{"rendered":"<p>You\u2019ve probably noticed the little colored squares or stripes at the end of toothpaste tubes.<\/p>\n<p>Red, blue, green, black\u2026 they have given rise to countless theories online, especially that they reveal the contents of toothpaste.<\/p>\n<p>But is it really like that?<\/p>\n<p>Let\u2019s get this straight.<\/p>\n<p>The viral news about toothpaste colors<\/p>\n<p>Numerous articles and social media posts suggest that the colored stripe indicates the type of ingredients contained in the toothpaste:<\/p>\n<p>Green = natural<\/p>\n<p>Blue = natural + medicinal<\/p>\n<p>Red = natural + chemical<\/p>\n<p>Black = all chemicals<\/p>\n<p>It seems useful, but there is a big problem.<\/p>\n<p>The reality: it\u2019s a trademark<\/p>\n<p>Those colorful brands are not intended for consumers at all.<\/p>\n<p>They\u2019re called \u201creference marks\u201d or \u201cregistration marks\u201d and are used during the manufacturing process. Machines read these marks to determine where to cut, fold, or seal the package.<!--nextpage--><\/p>\n<p>In other words:<\/p>\n<p>In other words:<\/p>\n<p>They have nothing to do with the ingredients in toothpaste.<\/p>\n<p>Why the myth spread<\/p>\n<p>The idea stuck with me because it seems logical.<\/p>\n<p>People want quick ways to identify natural or safe products, and a simple color code seems like an easy shortcut. But in reality, toothpaste formulas are much more complex and can\u2019t be summarized by a single color code.<\/p>\n<p>How to really choose the right toothpaste<\/p>\n<p>Instead of relying on the color of the tube, here\u2019s what really matters:<\/p>\n<p>Check the ingredients<\/p>\n<p>Look at the label on the back. It tells you exactly what\u2019s inside.<\/p>\n<p>Look for fluoride<\/p>\n<p>Fluoride is one of the most effective ingredients for preventing tooth decay and strengthening enamel.<\/p>\n<p>Consider your needs<\/p>\n<p>The different formulas serve different purposes:<\/p>\n<p>Relief from sensitivity<\/p>\n<p>Whitening<\/p>\n<p>Gum care<\/p>\n<p>Natural or low-chemical options<\/p>\n<p>Ask your dentist<\/p>\n<p>If you have any doubts, a dentist can advise you on the best option based on your oral health.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You\u2019ve probably noticed the little colored squares or stripes at the end of toothpaste tubes. Red, blue, green, black\u2026 they&hellip;<\/p>\n","protected":false},"author":1,"featured_media":20108,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/posts\/20107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/comments?post=20107"}],"version-history":[{"count":1,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/posts\/20107\/revisions"}],"predecessor-version":[{"id":20109,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/posts\/20107\/revisions\/20109"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/media\/20108"}],"wp:attachment":[{"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/media?parent=20107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/categories?post=20107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quick--recipes.milaf.ma\/index.php\/wp-json\/wp\/v2\/tags?post=20107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}