--- title: "How to Get Rid of Underarm Odor (and Why 'Permanent' Is the Wrong Goal)" description: "How to remove smell from underarms: there is no permanent fix, because odor comes from normal bacteria and sweat. But a simple routine controls it. What works, what dermatologists suggest, what to skip." url: https://whollykaw.com/learn/how-to-get-rid-of-underarm-odor published: 2026-07-14 updated: 2026-07-14 keywords: ["how to remove smell from underarms permanently", "how to get rid of underarm odor", "how to remove underarm smell at home", "how to get rid of body odor permanently", "what kills armpit odor fast", "how to get rid of armpit odor", "underarm odor remedies", "permanent underarm smell", "reduce body odor", "smelly armpits"] author: "Sri" site: WhollyKaw --- # How to get rid of underarm odor *How to remove smell from underarms: there is no permanent fix, because odor comes from normal bacteria and sweat. But a simple routine controls it. What works, what dermatologists suggest, what to skip.* General information, not medical advice. This page describes published research about skin, sweat, and ingredients. It has not been evaluated by the Food and Drug Administration and is not intended to diagnose, treat, cure, or prevent any disease. For a sudden or persistent change in body odor, or a skin reaction, see a qualified professional. Here is the honest answer most pages skip: there is no way to remove underarm odor permanently, because the odor comes from normal bacteria acting on normal sweat, and both come back. What you can do is reduce it a lot and keep it low with a consistent routine. This page covers what actually works day to day, what dermatologists suggest for stubborn cases, and what to skip. ## Can you get rid of underarm odor permanently? Not permanently, and be cautious of anything that promises it. Everyone carries odor-producing bacteria, and the apocrine glands keep making the sweat those bacteria feed on. Removing odor for good would mean removing normal biology. The realistic goal is control: get the smell down to a level you are happy with and keep it there. The good news is that control is very achievable for most people. ## Why underarm odor keeps coming back Sweat itself is nearly odorless. The smell appears when underarm bacteria break down the protein-rich and fat-rich sweat from your apocrine glands. Wash and the bacteria and odor drop, then both rebuild over hours. That cycle is why odor returns, and why a routine beats any one-time fix. The mechanism is covered in full in [why armpits smell](/learn/why-do-armpits-smell). ## What actually reduces underarm odor A simple, repeatable routine does most of the work: - **Wash the underarms daily** and dry them fully. Bacteria and odor thrive in warmth and moisture. - **Consider trimming or shaving.** Hair holds sweat and gives bacteria more surface area. - **Choose the right product.** For smell, use a [deodorant](/learn/deodorant-vs-antiperspirant). For wetness, an antiperspirant reduces sweat, and less moisture can mean less odor. An [aluminum-free deodorant](/learn/aluminum-free-deodorant) handles odor without blocking sweat. - **Wear breathable fabrics** and change shirts often. Odor compounds cling to clothing and come back the moment you sweat. - **Watch diet and stress** triggers such as garlic, onions, alcohol, and stress sweat, which can intensify odor. ## What dermatologists suggest for stubborn odor When a normal routine is not enough, dermatology sources describe a few next steps as general guidance. Lowering the bacterial load more aggressively is a common theme, for example with an antibacterial or benzoyl-peroxide wash used on the underarms. A stronger or clinical antiperspirant, sometimes applied at night, is another. These are general information, not a personal recommendation, and a clinician can tell you what fits your skin. ## When odor and sweating need a professional Some cases are worth a doctor's input rather than a stronger product. Excessive sweating that disrupts daily life has a name, hyperhidrosis, and has medical options. A sudden, marked change in your body odor, or a persistent strong smell that hygiene does not touch, can occasionally reflect something else and is worth mentioning to a professional. None of this is something to self-diagnose. ## What to skip Be wary of "permanent" home-remedy promises. Rubbing lemon or undiluted vinegar on the underarm can irritate skin, and baking soda is a frequent cause of underarm irritation because it is alkaline against the skin's naturally acidic surface. If a natural deodorant has given you a rash, baking soda is the usual culprit, which we cover in [is baking soda bad for your skin](/learn/is-baking-soda-bad-for-your-skin) and [baking-soda-free deodorant](/learn/baking-soda-free-deodorant). ## Frequently asked questions ### Can you remove armpit smell permanently? No. Odor comes from normal bacteria acting on normal sweat, and both return, so there is no permanent removal. A consistent routine of washing, drying, breathable fabric, and an odor-focused deodorant controls it well for most people. ### What kills armpit odor fast? For a quick reset, wash and fully dry the underarms to lower the bacteria and remove existing odor, put on clean clothing, and apply a deodorant. This does not last forever, because bacteria rebuild, but it knocks the smell down quickly. ### What do dermatologists recommend for underarm odor? General dermatology guidance focuses on lowering the bacterial load and managing sweat, for example an antibacterial or benzoyl-peroxide wash on the underarms, and a stronger antiperspirant, sometimes at night. For severe sweating, medical options exist. A clinician can advise for your situation. ### Does shaving your armpits help with odor? It can. Underarm hair holds sweat and gives bacteria more surface area, so trimming or shaving, combined with washing and a deodorant, often reduces odor. It is one part of a routine, not a cure on its own. ### Why do my armpits still smell even with deodorant? The deodorant may have worn off, it may be an antiperspirant built for wetness rather than odor, or your underarm bacteria may be especially active. Reapplying, washing clothing more often, and using an odor-focused deodorant usually help.