How Waterproofing Is Tested

By GETAUVE Editorial Team · Published September 29, 2026

How Waterproofing Is Tested (and What the Rating on the Box Really Means)

You trusted the waterproof label for two weeks before you wondered what it was actually tested against. Most people never check, and that quiet gap between the claim and the test is exactly where confusion starts.

This guide explains how intimate devices are tested for water exposure, what IPX ratings measure, and how to read a label without over-trusting it. You will leave knowing which numbers matter, which ones are decoration, and how to clean a sealed device without shortening its life.

The Short Answer

Waterproofing is tested by sealing the device and submerging it in water at a fixed depth for a set time, then checking for leaks and loss of function. An IPX7 rating means survival at 3.3 feet for 30 minutes. Choose a device rated IPX7 or higher if you plan to use it in the bath or rinse it under running water. The Self-Love Ritual Bundle and HOPSTAR both sit in that range, which makes them a low-stress starting point for anyone who wants water-friendly gear without reading a spec sheet first. If your routine stays dry, a water rating adds no real value, so don't pay extra for a feature you won't use.

What "Waterproof" Actually Gets Tested Against

The word waterproof is not a single test. It is a result claimed after a device passes a defined exposure scenario in a lab. Technicians place the product in a sealed chamber, drop the air pressure, and watch for bubbles that would signal a leak path along a seam or port. Then they run the motor, if the device has one, to confirm the seal holds while the internals move.

Most consumer ratings do not test soap, oils, or temperature swings. They test plain water at room temperature. That matters because a rating of IPX7 tells you about a clean water bath, not a hot tub, not a shower with body wash running down the seam, and not a device dropped into a sink full of dish soap. The test defines the promise, and the promise stops where the test stopped.

When a label says waterproof, read it as "passed this specific check," not "invincible near any liquid." The difference shapes how you clean, store, and travel with the item. A small shift in how you read the word saves you from the most common failure, which is trusting a rating past its actual limits.

The Submersion Test Most Ratings Rely On

The common method behind IPX7 uses a depth of 1 meter, or about 3.3 feet, held for 30 minutes. The device stays fully underwater, then engineers open it and look for moisture inside the shell. No water past the seal means the unit passes. A second tier, IPX8, pushes deeper or longer by the maker's own defined limit, which is why IPX8 numbers vary from one brand to the next.

Lower ratings tell a different story. IPX6 covers strong jets from a shower head but not full submersion. IPX5 handles splashes and light spray. If your routine involves the bath, only IPX7 or above gives you real confidence. A device rated IPX6 is fine for the shower wall but risky for a soak.

Time also matters as much as depth. A 30 minute rating is plenty for a bath or a thorough wash. It is not a license to leave the device at the bottom of a pool for an afternoon. The lab test sets the boundary, and most daily habits sit comfortably inside it when the seal is healthy.

How to Care for a Sealed Device

Care extends the rating far past the day you open the box. Rinse with warm running water and a mild, unscented wash, then dry the seam with a soft cloth before you close the port. Let it air for a few minutes so no hidden film stays trapped against the gasket between uses.

Avoid boiling water, alcohol wipes, and silicone-dissolving oils near the seal. Those break the very gasket the rating depends on. Store the device in a dry pouch, not a steamy bathroom drawer, so the seal keeps its shape. A cool, dry drawer beats a warm, humid one every time for long-term integrity.

What Waterproofing Won't Save You From

A high rating does not make a device safe to share without cleaning, and it does not survive a cracked shell from a drop onto tile. If the body shows a split, the seal is no longer the only barrier, so stop using it near water until you replace it. Waterproofing also won't fix poor storage, because a warped gasket fails before the next bath even starts, and no rating covers physical damage from a fall.

Skip the upgrade if you only ever use the device in bed and never near water, since the rating adds no value to a dry routine. It also won't make a poorly sized device comfortable, so treat water-readiness as one feature among several rather than the whole decision. Buy the rating only when your habits actually meet water, and you'll avoid paying for a spec you'll never test.

Sources

• International Electrotechnical Commission — the body that defines the IP rating system used across consumer electronics.
• ASTM International — publishes voluntary standards referenced by labs for ingress and material testing.
• Underwriters Laboratories — issues safety and durability guidance that many device makers follow for sealed products.

This article is for general education about product care and is not medical advice. Talk with a qualified professional for any health-related questions.