{"id":22340,"date":"2021-09-30T21:12:00","date_gmt":"2021-09-30T21:12:00","guid":{"rendered":"https:\/\/hartzdevelop.wpengine.com\/flea-collars-work\/"},"modified":"2025-06-06T19:33:07","modified_gmt":"2025-06-06T19:33:07","slug":"flea-collars-work","status":"publish","type":"post","link":"https:\/\/www.hartz.com\/en-ca\/flea-collars-work\/","title":{"rendered":"How do flea collars work?"},"content":{"rendered":"<div id=\"attachment_34479\" style=\"width: 310px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-34479\" class=\"size-medium wp-image-34479\" src=\"\/wp-content\/uploads\/2021\/09\/Hartz-UltraGuard-Plus-How-flea-collars-work.jpg\" alt=\"Dog looking right - It's good to understand how flea collars work and how they keep your pet safe and healthy.\" width=\"300\" height=\"300\" \/><p id=\"caption-attachment-34479\" class=\"wp-caption-text\">A flea collar can protect your pet for months. Choose the most effective one for your dog or cat.<\/p><\/div>\n<p>When you put a flea collar on your dog or cat, it releases chemicals that spread along your pet's body\u00a0<a href=\"https:\/\/www.medicanimal.com\/viewarticle\/~contentId=111517\/~nodeTrailCsv=AR-DOGS-FLEA_TICK,111517\/~category_id=MA_DOGS\" target=\"_blank\" rel=\"noopener\">through the oils on his fur and skin<\/a>, according to <a href=\"http:\/\/MedicAnimal.com\" target=\"_blank\" rel=\"noopener\">MedicAnimal.com<\/a>. These chemicals will linger, killing any fleas that try to settle on your canine or feline companion. Flea collars can protect your pet for up to seven months, because they're designed to slowly release the bug-killing chemicals over time.<\/p>\n<p>There are different collars for dogs and puppies, as younger animals will need less to provide the same level of protection. If you have a puppy younger than 6 months, you can get him the\u00a0Hartz\u00ae UltraGuard Plus\u00ae Flea &amp; Tick Collar for Puppies, which will kill fleas and their eggs for months.<\/p>\n<p>There are similar products available for cats and kittens. Hartz flea collars with \"plus\" in the name are effective at stopping the flea lifecycle at any point. Other products, such as the Hartz\u00ae UltraGuard\u00ae Flea &amp; Tick Collar for Cats and Kittens, target adult insects.<\/p>\n    <!-- Two columns block -->\n    <div class=\"two-columns\">\n\t\t    <!-- Left column block -->\n    <div class=\"left-column\">\n\t\t\t<div class=\"shortcode product-item\">\n\t\t<div class=\"picture\">\n\t\t\t<a href=\"\">\n\t\t\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t<div class=\"content\">\n\t\t\t<div class=\"title\">\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"cta\">\n\t\t\t\t<a href=\"\">View Product<\/a>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n    <\/div>\n\t    <!-- Right column block -->\n    <div class=\"right-column\">\n\t\t\t<div class=\"shortcode product-item\">\n\t\t<div class=\"picture\">\n\t\t\t<a href=\"\">\n\t\t\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t<div class=\"content\">\n\t\t\t<div class=\"title\">\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"cta\">\n\t\t\t\t<a href=\"\">View Product<\/a>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n    <\/div>\n\t    <\/div>\n\t\n<script language='javascript' type='text\/javascript'>function getWR360PopupSkin(){return 'light_clean';}<\/script>","protected":false},"excerpt":{"rendered":"<p>When you put a flea collar on your dog or cat, it releases chemicals that spread along your pet's body\u00a0through the oils on his fur and skin, according to MedicAnimal.com. These chemicals will linger, killing any fleas that try to settle on your canine or feline companion. Flea collars can protect your pet for up [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14144,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[540,522,535,384,506],"tags":[4948,5098,5099,5100,5101,5357,5358,5557,5794,5795,5796,5797],"class_list":["post-22340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animals","category-parasite-protection-health-nutrition-cats","category-parasite-protection","category-dogs","category-cats","tag-fleas-en-ca","tag-pet-wellness-en-ca","tag-pet-health-2","tag-dog-health-2","tag-flea-prevention-2","tag-dogs-en-ca","tag-cats-en-ca","tag-article-en-ca","tag-cat-en-ca","tag-dog-en-ca","tag-health-nutrition-en-ca","tag-parasite-protection-en-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How do flea collars work? | Hartz<\/title>\n<meta name=\"description\" content=\"Flea control is important for your pet&#039;s health. 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