Water-Resistant vs. Waterproof: Understanding the Ratings
Published August 4, 2026 · 5 min read · Educational content, not medical advice.
On This Page
"Water-resistant" and "waterproof" show up constantly in product descriptions, and it's easy to read them as roughly the same promise. They aren't. The difference between the two words can determine whether a device is safe to rinse under a tap or should only ever be wiped down with a damp cloth — which makes this one of the more practically useful things to understand before you buy or use an intimate wellness device.
Why the Two Words Aren't Interchangeable
In everyday marketing, "water-resistant" and "waterproof" often get used loosely, sometimes almost interchangeably, because both sound reassuring. Technically, though, they describe two different levels of protection. Water-resistant generally means a device can handle light, incidental contact with moisture — a splash, a few drops, a quick wipe with a damp cloth — without being harmed. It does not mean the device is designed to be submerged. Waterproof, by contrast, means a device has been built and tested to withstand actual submersion in water under defined conditions. That's a meaningfully higher bar, and it's usually backed up by a specific, testable rating rather than just a word on a box.
The practical takeaway is simple: don't treat these terms as synonyms. Read "water-resistant" as "safe for splashes, not submersion," unless a specific rating says otherwise.
How IP Ratings Work, in Plain Language
Because "waterproof" on its own is vague, the electronics industry relies on a standardized system called IP, or Ingress Protection, ratings to describe water and dust resistance more precisely. Without getting into the technical weeds, the general idea is straightforward: an IP rating is typically written as the letters "IP" followed by a short code, and that code describes how well a device is sealed against things getting in — whether that's dust particles or water. The system exists specifically so that "waterproof" isn't left up to interpretation. Instead of a marketing adjective, a shopper gets a defined, testable classification that means the same thing across different brands and product categories.
You'll sometimes see an "X" used in place of one part of that code — for example, in a rating like IPX7. That "X" simply indicates that the dust-protection portion of the rating wasn't tested or isn't being specified for that product, and the number that follows refers specifically to water resistance. In other words, the code is telling you exactly which kind of protection was verified, rather than making a blanket claim about the device overall.
What IPX7 Actually Means in Practice
IPX7 is the rating referenced elsewhere on this site — including in our glossary — and it's a useful anchor point for understanding what a real waterproof rating looks like. In practical terms, an IPX7 rating indicates that a device is designed to withstand temporary submersion in water under specific, defined test conditions. That's a fundamentally different level of protection than simple splash resistance. A splash-resistant device might survive being caught in light rain or a few drops of water on a counter; a device rated IPX7 has been tested to handle being fully submerged, not just splashed.
This is exactly why the distinction between "water-resistant" and "waterproof" matters in real use. A device without a submersion rating should be treated as splash-safe at most, while a device with an IPX7 rating (or a similarly documented submersion rating) has been built and tested for a higher standard of exposure.
Why It Matters for Cleaning
One of the most immediate, everyday places this distinction shows up is cleaning. A device that's genuinely rated for submersion can typically be rinsed under running water as part of a normal cleaning routine, which makes thorough cleaning noticeably simpler. A device that's only water-resistant, on the other hand, should generally be cleaned with a damp cloth or a small amount of mild soap applied carefully, rather than held under a running tap or dunked in water. Treating a splash-resistant device as though it were submersion-rated is one of the more common ways water damage happens — the seals and internal components simply weren't built with sustained water exposure in mind.
When in doubt, clean a device the way its listing describes, rather than assuming a more aggressive method is fine just because the product mentions water resistance of some kind.
Why It Matters for Bath or Shower Use
The same logic applies to how and where a device gets used. Bath and shower use both involve a level of water exposure that goes well beyond an occasional splash — think standing water, direct streams from a showerhead, or full submersion in a tub. A device that's only rated as water-resistant isn't built for that kind of exposure and shouldn't be brought into the bath or shower on the assumption that "water-resistant" is close enough to "waterproof." A device with a genuine submersion rating, like IPX7, is the category of product actually designed with that use case in mind.
This is also a good reminder that "waterproof" doesn't necessarily mean unlimited or unconditional water exposure — ratings like IPX7 describe specific, tested conditions, not an open-ended guarantee. Following the product's own instructions for bath or shower use is still the most reliable approach.
Always Check the Specific Rating
The single most useful habit here is to stop treating "water-resistant" and "waterproof" as self-explanatory and start looking for the actual rating on a product's listing. Two devices from the same brand can carry different water ratings depending on their design, so it's never safe to assume one product's rating applies to another. If a listing doesn't specify a rating at all, the cautious assumption is that the device should be treated as splash-resistant only, not submersion-safe.
Understanding the difference between these two words won't just help you shop more confidently — it also helps you take better care of whatever you already own, by matching your cleaning routine and everyday use to what the device was actually built to handle.