During an appearance on Friday’s episode of “The Kelly Clarkson Show,”<\/a> the “Full House” alum, 66, opened up about discovering the many toxicities in his life and explained how he managed to make life changes one step at a time.<\/p>\n “I wanted to know, \u2018Why did my lymphatic system crash?\u2019 And I realized as I went down the rabbit hole, everything in my life was toxic,” Coulier admitted. “My toothpaste, my shampoo, the garbage bags, the toilet paper, everything, skin cream, everything.”<\/p>\n BARRY MANILOW GIVES FANS POSITIVE HEALTH UPDATE FOLLOWING HIS RECENT CANCER DIAGNOSIS<\/a><\/p>\n Dave Coulier revealed he didn’t ignore warning signs, leading to early detection of cancer. (Dave Coulier)<\/p>\n “I said, ‘I need to change this, but how do I do it?’ It’s a pretty daunting task to change your lifestyle like that,” he continued. “So I changed one thing. I replaced my toothpaste<\/a>. And I thought, ‘I put that in my mouth every day, I’m gonna start there.'”<\/p>\n The comedian was initially diagnosed with stage 3 non-Hodgkin lymphoma<\/a> in October 2024. One year later, doctors diagnosed Coulier with HPV-related oropharyngeal tongue cancer<\/a> in October 2025, a discovery made just months after celebrating his recovery from his first diagnosis.\u00a0<\/p>\n During Coulier’s six-month checkup and PET scans, doctors discovered a flare-up had returned as an enlarged tumor. The actor believed the tumor was caused by his lymphoma, but later found out the two cancers were unrelated.<\/p>\n Dave Coulier realized the many toxicities in his life after battling two cancer diagnoses. (Getty Images)<\/p>\n In February, Coulier revealed he was in remission<\/a> after battling two cancer diagnoses in the last two years. The beloved TV star underwent 35 rounds of targeted radiation in December to battle the disease.<\/p>\n CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTER<\/a><\/p>\n “It\u2019s been a roller coaster ride for sure,” the “Full House” star admitted during an appearance on “Good Morning America<\/a>” in February. “I\u2019m in remission with both cancers. And what a journey this has been.”<\/p>\n WATCH: DAVE COULIER EXPLAINS HOW EARLY DETECTION SAVED HIS LIFE FROM CANCER TWICE<\/p>\n Coulier shared his story because he feels he can help people. “I never wanted to be the poster<\/a> boy for cancer, believe me,” he explained. “But now I feel like I can encourage people to get those prostate exams and mammograms. Talk to your doctors and get ahead of this.”<\/p>\n LIKE WHAT YOU\u2019RE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWS<\/a><\/p>\n During his chat with Clarkson last week, Coulier explained why he was inspired to build an online tool to help others pinpoint toxicities in their daily lives<\/a>.\u00a0<\/p>\n Coulier created Awear Market in an effort to guide people toward non-toxic products you can trust. (Nathan Congleton\/NBC\/Getty Images)<\/p>\n “Your journey starts with just one thing,” he said. “I thought, let’s build a website to help people. So I became a professional label reader. I’m very aware now, and it’s what I’m wearing on my skin, my clothing, everything.”<\/p>\n![\"Dave](\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/04\/dave-coulier-cancer-survivor.jpg\")
<\/p>\n![\"Actor](\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/04\/dave-coulier-cancer-diagnosis.jpg\")
<\/p>\n![\"Actor](\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/04\/dave-coulier.jpg\")
<\/p>\n