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What is causing my lip border to thin and burn after using Sensodyne toothpaste?
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Skin & Hair Concerns
Question #29109
46 days ago
117

What is causing my lip border to thin and burn after using Sensodyne toothpaste? - #29109

Client_58fb1e

have a lip border problem . The problem start when was using sensodine toothpaste about a year ago.so after bath or when mouth area becomes wet white colour appears so Ihave clean that area daily basis about a year. Now this lip border skin is moved down and backwards and it is thin and flat .and there is mild burning also

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Doctors' responses

Dr. Shayeque Reza
I completed my medical degree in 2023, but honestly, my journey in healthcare started way before that. Since 2018, I’ve been actively involved in clinical practice—getting hands-on exposure across multiple departments like ENT, pediatrics, dermatology, ophthalmology, medicine, and emergency care. One of the most intense and defining phases of my training was working at a District Government Hospital for a full year during the COVID pandemic. It was chaotic, unpredictable, and exhausting—but it also grounded me in real-world medicine like no textbook ever could. Over time, I’ve worked in both OPD and IPD setups, handling everything from mild viral fevers to more stubborn, long-term conditions. These day-to-day experiences really built my base and taught me how to stay calm when things get hectic—and how to adjust fast when plans don’t go as expected. What I’ve learned most is that care isn't only about writing the right medicine. It’s about being fully there, listening properly, and making sure the person feels seen—not just treated. Alongside clinical work, I’ve also been exposed to preventive health, health education, and community outreach. These areas really matter to me because I believe real impact begins outside the hospital, with awareness and early intervention. My approach is always centered around clarity, empathy, and clinical logic—I like to make sure every patient knows exactly what’s going on and why we’re doing what we’re doing. I’ve always felt a pull towards general medicine and internal care, and honestly, I’m still learning every single day—each patient brings a new lesson. Medicine never really sits still, it keeps shifting, and I try to shift with it. Not just in terms of what I know, but also in how I listen and respond. For me, it’s always been about giving real care. Genuine, respectful, and the kind that actually helps a person heal—inside and out.
45 days ago
5

Your symptoms suggest that you may have developed chronic irritation or contact-related inflammation of the lip border (likely a form of irritant contact cheilitis), possibly triggered initially by the Sensodyne toothpaste and worsened over time by repeated moisture exposure and frequent rubbing or cleaning. The white appearance when wet, along with thinning, flattening, and slight recession of the lip border, indicates ongoing skin barrier damage and mild inflammation. The associated burning sensation further supports irritation rather than infection. Overall, this seems to be a chronic but manageable condition caused by long-term irritation and overhandling of the area, and it typically improves with avoidance of triggers, gentle care, and proper skin barrier repair. Use zytec gel Tab folvite 5 1 tab daily for 1014 days.

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Dr. Bharat Joshi
I’m a periodontist and academician with a strong clinical and teaching background. Over the last 4 years and 8 months, I’ve been actively involved in dental education, guiding students at multiple levels including dental hygienist, BDS, and MDS programs. Currently, I serve as a Reader at MMCDSR in Ambala, Haryana—a role that allows me to merge my academic passion with hands-on experience. Clinically, I’ve been practicing dentistry for the past 12 years. From routine procedures like scaling and root planing to more advanced cases involving grafts, biopsies, and implant surgeries. Honestly, I still find joy in doing a simple RCT when it’s needed. It’s not just about the procedure but making sure the patient feels comfortable and safe. Academically, I have 26 research publications to my credit. I’m on the editorial boards of the Archives of Dental Research and Journal of Dental Research and Oral Health, and I’ve spent a lot of time reviewing manuscripts—from case reports to meta-analyses and even book reviews. I was honored to receive the “Best Editor” award by Innovative Publications, and Athena Publications recognized me as an “excellent reviewer,” which honestly came as a bit of a surprise! In 2025, I had the opportunity to present a guest lecture in Italy on traumatic oral lesions. Sharing my work and learning from peers globally has been incredibly fulfilling. Outside academics and clinics, I’ve also worked in the pharmaceutical sector as a Drug Safety Associate for about 3 years, focusing on pharmacovigilance. That role really sharpened my attention to detail and deepened my understanding of drug interactions and adverse effects. My goal is to keep learning, and give every patient and student my absolute best.
44 days ago
5

Hello dear See sensodyne has been successfully tested in human trial and no side-effects have been reported Probably it is an allergic reaction to one of the components probably desensitised agent. I suggest you to please stop and replace sensodyne with Colagate or pepsodent Do regular mouthrinsing with water Take zincovit multivitamin therapy for b2 deficiency and lip irritation Please follow fir atleast a week In case of no improvement consult nearby dentist for better clarity Regards

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Dr. Arsha K Isac
I am a general dentist with 3+ years of working in real-world setups, and lemme say—every single patient teaches me something diff. It’s not just teeth honestly, it’s people… and how they feel walking into the chair. I try really hard to not make it just a “procedure thing.” I explain stuff in plain words—no confusing dental jargon, just straight talk—coz I feel like when ppl *get* what's going on, they feel safer n that makes all the difference. Worked with all ages—like, little kids who need that gentle nudge about brushing, to older folks who come in with long histories and sometimes just need someone to really sit n listen. It’s weirdly rewarding to see someone walk out lighter, not just 'coz their toothache's gone but coz they felt seen during the whole thing. A lot of ppl come in scared or just unsure, and I honestly take that seriously. I keep the vibe calm. Try to read their mood, don’t rush. I always tell myself—every smile’s got a story, even the broken ones. My thing is: comfort first, then precision. I want the outcome to last, not just look good for a week. Not tryna claim perfection or magic solutions—just consistent, clear, hands-on care where patients feel heard. I think dentistry should *fit* the person, not push them into a box. That's kinda been my philosophy from day one. And yeah, maybe sometimes I overexplain or spend a bit too long checking alignment again but hey, if it means someone eats pain-free or finally smiles wide in pics again? Worth it. Every time.
44 days ago
5

Hello

Your symptoms are most likely due to chronic irritation of the lip border (irritant contact dermatitis) that began after using Sensodyne. Some people develop sensitivity to certain toothpaste ingredients, especially foaming agents or flavoring chemicals. Repeatedly cleaning or rubbing the white area when it gets wet can also thin the skin over time and cause the mild burning sensation you described. This condition is usually not dangerous and does not mean permanent damage, but it can persist if the irritation continues.

What you should do now is switch to a very gentle, non-foaming toothpaste and avoid rubbing or scrubbing the lip border frequently. Apply a simple protective layer like petroleum jelly to the area two to three times daily to help the skin heal. Try to gently pat the area dry after bathing or brushing instead of wiping repeatedly. If the burning continues, a doctor may prescribe a short course of a mild antifungal or anti-inflammatory cream to calm the irritation.

If the skin keeps thinning, develops cracks, bleeding, spreading redness, or does not improve after about two to three weeks of gentle care, you should see a doctor or dentist for an in-person examination.

Take care

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Your symptoms sound like they could be related to an allergic reaction or sensitivity to an ingredient in the Sensodyne toothpaste. Many individuals can be sensitive to certain components in dental products, such as sodium lauryl sulfate or certain flavorings. This could have caused an allergic contact dermatitis, leading to the symptoms you’re describing, such as thinning of the lip border, mild burning, and the appearance of white discoloration when wet. The skin’s reaction over time might have contributed to the changes you see now. It’s advisable to stop using the toothpaste immediately and switch to a hypoallergenic toothpaste that is free from common allergens and irritants. Additionally, apply a barrier lip balm or ointment (like petroleum jelly) to the affected area regularly. This could help protect the area from further irritation and support healing. Keep an eye out for any worsening conditions such as pain, persistent burning, or spreading of the rash. If the symptoms persist or worsen even after switching toothpaste, it’s important to see a healthcare professional such as a dermatologist or an allergist. They might perform a patch test or provide further evaluation to identify any specific allergies or conditions that might be causing this reaction. It’s relevant to address this promptly as chronic irritation can lead to more significant problems. Seek medical advice if any systemic symptoms develop or if you’re concerned about the severity of your symptoms.

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