> ## Content Index > Fetch the complete content index at: https://ictcool.com/llms.txt > Use this file to discover other available public pages before exploring further. # Best Waterproof Callus Remover for Shower Pedicures - URL: https://ictcool.com/best-waterproof-callus-remover/ - Published: 2026-09-07T07:25:50.000Z - Updated: 2026-09-07T09:49:19.000Z - Description: A ranked shortlist of waterproof callus removers, led by Dr. Scholl's Pedi Perfect and its 90-minute run time, with picks for beginners, families, and heavy use. - Author: Saul Montgomery - Tags: Skincare & Makeup, Foot Care, Pedicure Tools The best waterproof callus remover for most people is the Dr. Scholl's Pedi Perfect Electric Foot Callus Remover, thanks to a 90-minute run time, two speeds, and a pair of textured rollers built for the hardest skin. If you want a fully sealed IPX7 body for shower pedicures, the Elmchee Electric Foot Callus Remover Kit is the better buy, with three quartz grinding heads and a 1200mAh battery. Who this is not for: anyone with diabetes, peripheral neuropathy, or open cracks on the heel. Electric files remove skin faster than you think, and none of these six are medical devices. If your calluses have split, if you cannot feel light pressure on your soles, or if you take blood thinners, skip this category and see a podiatrist instead. Everyone else, read on. In this guide 1. [Best waterproof callus remover at a glance](#best-waterproof-callus-remover-at-a-glance) 2. [How I screened the shortlist](#how-i-screened-the-shortlist) 3. [What waterproof actually means on a callus remover](#what-waterproof-actually-means-on-a-callus-remover) 4. [1\. Dr. Scholl's Pedi Perfect Electric Foot Callus Remover — Best overall](#1-dr-scholls-pedi-perfect-electric-foot-callus-remover-%E2%80%94-best-overall) 5. [2\. Elmchee Electric Foot Callus Remover Kit — Runner-up](#2-elmchee-electric-foot-callus-remover-kit-%E2%80%94-runner-up) 6. [3\. Jamestry Electric Foot Callus Remover Waterproof — Best budget pick](#3-jamestry-electric-foot-callus-remover-waterproof-%E2%80%94-best-budget-pick) 7. [4\. PRITECH Electric Foot Callus Remover — Best for beginners](#4-pritech-electric-foot-callus-remover-%E2%80%94-best-for-beginners) 8. [5\. Wea&Hea Electric Callus Remover for Feet — Best for heavy use](#5-weahea-electric-callus-remover-for-feet-%E2%80%94-best-for-heavy-use) 9. [6\. Love Lori Foot Callus Remover Gel — Best for families](#6-love-lori-foot-callus-remover-gel-%E2%80%94-best-for-families) 10. [Rollers, grit, and speed: which combination smooths fastest?](#rollers-grit-and-speed-which-combination-smooths-fastest) 11. [How often should you really use one?](#how-often-should-you-really-use-one) 12. [Head-to-head: Dr. Scholl's Pedi Perfect vs. Elmchee](#head-to-head-dr-scholls-pedi-perfect-vs-elmchee) 13. [What the listings do not tell you](#what-the-listings-do-not-tell-you) 14. [The verdict](#the-verdict) 15. [FAQ](#faq) ## Best waterproof callus remover at a glance | Pick | Water rating | Run time | Price | | ------------------------------------------------------------------------------------------------ | ------------------------------ | --------------- | ------------------------------------------------------------------ | | **Best overall**[Dr. Scholl's Pedi Perfect](https://www.amazon.com/dp/B0G873RHJL?tag=ictcool-20) | Waterproof, wet or dry claim | 90 min | [Check Price](https://www.amazon.com/dp/B0G873RHJL?tag=ictcool-20) | | **Runner-up**[Elmchee Callus Remover Kit](https://www.amazon.com/dp/B081H56F2T?tag=ictcool-20) | IPX7 claim | 1200mAh battery | [Check Price](https://www.amazon.com/dp/B081H56F2T?tag=ictcool-20) | | **Best budget pick**[Jamestry 17-in-1](https://www.amazon.com/dp/B0F9P5LL3R?tag=ictcool-20) | Waterproof body, port excluded | 2 hr claim | [Check Price](https://www.amazon.com/dp/B0F9P5LL3R?tag=ictcool-20) | | **Best for beginners**[PRITECH Foot File](https://www.amazon.com/dp/B079JVZHSQ?tag=ictcool-20) | IPX6 claim | Rechargeable | [Check Price](https://www.amazon.com/dp/B079JVZHSQ?tag=ictcool-20) | | **Best for heavy use**[Wea&Hea 17-in-1 Kit](https://www.amazon.com/dp/B0D41HTVT6?tag=ictcool-20) | IPX6 claim | 30–60 min claim | [Check Price](https://www.amazon.com/dp/B0D41HTVT6?tag=ictcool-20) | | **Best for families**[Love, Lori Gel 6 oz](https://www.amazon.com/dp/B07HRYCWQZ?tag=ictcool-20) | Gel, not electric | Not applicable | [Check Price](https://www.amazon.com/dp/B07HRYCWQZ?tag=ictcool-20) | ## How I screened the shortlist The keyword promises waterproofing. The listings deliver it unevenly. Five of the six picks are electric foot files, and each one describes water resistance in its own way: "waterproof, wet or dry" for the Dr. Scholl's, IPX7 for the Elmchee, IPX6 for the PRITECH and Wea&Hea, and a caveat on the Jamestry that the charging port is not sealed. The sixth pick is a chemical gel, included because families often want a shared, low-risk option that skips the motor entirely. Here is how the shortlist came together: 1. I lined up every product's stated water rating and cross-checked it against the manufacturer's own wording. IPX7 means the body tolerates full immersion for a short time; IPX6 means heavy spray, not a bathtub dunk. "Waterproof" without a code is a marketing word, not a rating. 2. I compared published run times, roller counts, and speed settings side by side. Only three listings put a run time in minutes on the page. 3. I looked at what comes in the box. The two 17-in-1 kits pad the count with metal tools, but the extra rollers matter more than the cuticle pushers. Three near-misses got cut: files with no water claim at all, files whose only feature bullet mentioned "waterproof" without a rating, and any product outside the best waterproof callus remover shortlist because the price position looked wrong for what shipped. ## What waterproof actually means on a callus remover Foot files sit in a category where "waterproof" is used loosely. The IP code tells you more than the word does. - **IPX6** is the rating on the PRITECH and the Wea&Hea. The manufacturer's claim is that the body tolerates powerful jets of water, which covers rinsing under a tap. It does not cover leaving the tool at the bottom of a bathtub. - **IPX7** is the rating on the Elmchee. The listing claims the whole body can be rinsed under running water, and the IPX7 code implies short immersion tolerance too. This is the strongest sealed claim in the set. - **"Waterproof, wet or dry"** is Dr. Scholl's own wording for the Pedi Perfect. No IP code is published on the listing, so treat this as a use-on-damp-skin claim rather than a submersion claim. - **"Waterproof body, charging port excluded"** is the Jamestry caveat. Rinse the head, but keep the port dry. The best waterproof callus remover for a shower routine is the one whose rating survives your habits. Rinse under a tap, five of six work. Drop it in the tub, only the IPX7 unit gives you an implied buffer, and even then the manufacturer only writes about running water. ## 1\. Dr. Scholl's Pedi Perfect Electric Foot Callus Remover — Best overall **A 90-minute rechargeable file with two speeds, two roller heads, and a dust catcher, priced as the most expensive in this set for a reason.** [![Dr. Scholl's Pedi Perfect electric foot callus remover in white and blue — the longest published run time in the shortlist](https://m.media-amazon.com/images/I/41fRDavlRzL._SL500_.jpg)](https://www.amazon.com/dp/B0G873RHJL?tag=ictcool-20) **Best for:** long sessions and thicker heel calluses **Skip it if:** you want a full pedicure kit in the box The Pedi Perfect wins on a single number. Dr. Scholl's publishes a 90-minute run time per charge, and no other electric pick here matches it in writing. The Wea&Hea claims 30 to 60 minutes; the Jamestry claims 2 hours but with a caveat about the charging port; the Elmchee and PRITECH give a battery capacity or a plug-and-play line but no explicit run time. If you treat each foot in a fifteen-minute session and want a week of pedicures per charge, the Pedi Perfect delivers it with room to spare. The two included roller heads are textured with what Dr. Scholl's calls multi-directional micro-grinding points, and the brand names an ultra roller for the hardest skin. The dual-speed motor lets you drop to the lower setting on tender areas around the ball of the foot. A patent-pending dust catcher is the only skin-collection feature published in this set. The trade-off is the price position: this is the most expensive pick here, and the box holds the file and rollers, not a 17-piece kit. **Pros:** - 90-minute run time is the longest published in the set - Two roller heads, including an ultra head for hard skin - Two-speed motor with an LED battery indicator - Dust catcher unique to this shortlist - Waterproof claim for wet or dry use **Cons:** - The highest price position of the six - No IP code published on the listing - Only two rollers rather than three - No stainless steel accessories in the box [Check Price on Amazon](https://www.amazon.com/dp/B0G873RHJL?tag=ictcool-20) ## 2\. Elmchee Electric Foot Callus Remover Kit — Runner-up **The only IPX7 pick in the shortlist, with three quartz grinding heads and a 1200mAh battery, sold at a mid price position.** [![Elmchee electric foot callus remover with three grinding heads — the only IPX7-rated body in the set](https://m.media-amazon.com/images/I/41TMnjxtIwL._SL500_.jpg)](https://www.amazon.com/dp/B081H56F2T?tag=ictcool-20) **Best for:** shower use with a sealed IPX7 body **Skip it if:** you need a run time over an hour The Elmchee earns its place on one specification: an IPX7 waterproof design, which the listing describes as a whole body that can be rinsed under running water. That is the strongest sealed claim in this shortlist, and it is what makes this the best waterproof callus remover for anyone who wants to work on wet skin straight after a soak. Three quartz sand grinding heads cover rough, medium, and fine skin, and the two-speed motor runs at 1,700 rotations per minute at low and 2,000 at high, with the higher setting reserved for the toughest heel skin. The published specifications include a body weight of 8 oz and a footprint of 1.57 x 3.15 x 2.36 in, which makes this the compact option for travel washbags. A 1200mAh lithium battery with overcharge protection and an LED power display handles charging duty. The trade-off is a run time the brand does not publish in minutes, only a battery capacity. If a specific number of minutes matters to you, the Pedi Perfect answers that; the Elmchee answers immersion tolerance. **Pros:** - IPX7 rating is the strongest waterproof claim here - Three coarseness levels covered by three heads - Two speeds at 1,700 and 2,000 rotations per minute - 1200mAh battery with LED power display - Compact 1.57 x 3.15 x 2.36 in body **Cons:** - No run time in minutes on the listing - Only two speeds, fewer than the top rotation on the Jamestry - Sells slower than the top two here - Award-level price is not the cheapest sealed option [Check Price on Amazon](https://www.amazon.com/dp/B081H56F2T?tag=ictcool-20) ## 3\. Jamestry Electric Foot Callus Remover Waterproof — Best budget pick **The cheapest of the six, a 17-in-1 kit with three roller heads, two high-rotation speeds, and a 2-hour claim tied to a caveat.** [![Jamestry 17-in-1 electric foot callus remover in black — the cheapest pick with three roller heads](https://m.media-amazon.com/images/I/51mPbIMrTmL._SL500_.jpg)](https://www.amazon.com/dp/B0F9P5LL3R?tag=ictcool-20) **Best for:** a first electric foot file at the lowest price here **Skip it if:** you want to submerge it or charge with the port exposed The Jamestry sits at the entry price position, and its listing is the most feature-dense here for the money. Jamestry lists two speeds of 7,500 and 9,000 rotations per minute, the highest published numbers in the set, with three quartz abrasive heads for old calluses, newer dead skin, and finishing work. A 1200mAh battery takes 2.5 hours to charge and delivers around 2 hours of use, per the listing, which is the longest use-per-charge number written in minutes across these six. The body measures 5.9 x 2.36 x 1.18 in, so it feels more like a slim wand than the compact Elmchee. Waterproofing comes with an explicit caveat: the file is waterproof, but the charging port is not, so it has to be dry before you plug it in. That is the reason it lands at third rather than higher. As the best waterproof callus remover on a strict budget, it stands, but the sealing story is weaker than the Elmchee's IPX7 claim. **Pros:** - The cheapest of the six - 7,500 and 9,000 rotations per minute, the highest published here - Three quartz roller heads for graded coarseness - 2-hour use-per-charge claim - 17-in-1 kit with extras beyond the file **Cons:** - Charging port is not waterproof - No formal IP code published - Larger 5.9 x 2.36 x 1.18 in body than the Elmchee - No LED battery indicator described in the listing [Check Price on Amazon](https://www.amazon.com/dp/B0F9P5LL3R?tag=ictcool-20) ## 4\. PRITECH Electric Foot Callus Remover — Best for beginners **A lighter file with a lower top speed, an IPX6 rating, and the fastest-selling position in this set.** [![PRITECH cordless electric foot callus remover in white — a gentler two-speed file with an IPX6 rating](https://m.media-amazon.com/images/I/41aBoYrC+RL._SL500_.jpg)](https://www.amazon.com/dp/B079JVZHSQ?tag=ictcool-20) **Best for:** cautious first-time users on softer buildup **Skip it if:** you have very thick, well-established calluses The PRITECH lands here because of what its speeds say. At 1,900 and 2,200 rotations per minute, this is the gentlest two-speed option in the shortlist. The Jamestry runs three to four times faster at its top setting, which is fine for someone who knows the technique, but a shock for a beginner. PRITECH's slower turns give you time to lift the head off the skin before you take too much away, and that alone earns it a place for first-time users. The rest is straightforward. The body weighs 0.66 lb, measures 1.97 x 6.69 x 3.94 in, and carries an IPX6 waterproof design that the brand says allows rinsing under running water. Charging is cordless with a plug-and-play line rather than a stated run time. Where the PRITECH pays for that lower-speed safety is on stubborn skin: if you have thick, established calluses across the heel, the higher-rotation options finish the job in fewer passes. This is a file to learn on, then decide whether you need more speed. **Pros:** - 1,900 and 2,200 rotations per minute is the gentlest here - IPX6 rating supports rinsing under a tap - 0.66 lb body is light in the hand - Two-speed control is simple for a first file - Sells faster than the rest of this set **Cons:** - The slower top speed can drag on thick calluses - No run time in minutes on the listing - Only one roller head is described in features - Second-most expensive pick here [Check Price on Amazon](https://www.amazon.com/dp/B079JVZHSQ?tag=ictcool-20) ## 5\. Wea&Hea Electric Callus Remover for Feet — Best for heavy use **A 17-in-1 kit with three roller coarseness levels, an IPX6 body, and a 30 to 60-minute run time claim.** [![Wea&Hea electric callus remover with three roller heads and stainless tools — a 17-piece kit for shared use](https://m.media-amazon.com/images/I/51upQjxAEVL._SL500_.jpg)](https://www.amazon.com/dp/B0D41HTVT6?tag=ictcool-20) **Best for:** shared bathrooms wanting a 17-piece kit **Skip it if:** you dislike swapping heads mid-session The Wea&Hea is the kit pick. Wea&Hea packs the electric remover, three rollers at coarse, medium, and fine, a USB cable, and stainless steel tools into one box, and the "heavy use" case is really a household case: two people, weekly sessions, and a rack of graded heads for the different stages of a session. Two speeds and three coarseness levels give you more combinations than the two-roller Pedi Perfect, which is why it sits above the beginner file here even at a similar price band. The run time is where it slips. Wea&Hea claims 30 to 60 minutes of cordless use, recharged in 2 to 3 hours over the included cable, and that lower bound is the shortest published in the set. The IPX6 waterproof design lets you rinse the device under running water after use. The trade-off you accept is head-swapping: three rollers across a session means stopping, changing, restarting, and that adds friction on the best waterproof callus remover for a quick five-minute touch-up. **Pros:** - Three roller coarseness levels included - Two speeds paired with the three heads - IPX6 rating supports rinsing after use - 17-piece kit with stainless tools - Sells faster than three of the electric picks here **Cons:** - 30-minute lower bound is the shortest run time in the set - Head-swapping adds friction mid-session - No run time in a single, stable figure - No LED battery indicator described [Check Price on Amazon](https://www.amazon.com/dp/B0D41HTVT6?tag=ictcool-20) ## 6\. Love Lori Foot Callus Remover Gel — Best for families **A 6 fl oz chemical gel with a precision applicator and gloves, sold as the fastest-selling pick in this shortlist.** [![Love, Lori extra strength callus remover gel with precision applicator — a non-electric option for shared households](https://m.media-amazon.com/images/I/413oUOitmTL._SL500_.jpg)](https://www.amazon.com/dp/B07HRYCWQZ?tag=ictcool-20) **Best for:** soaking off calluses without a motor **Skip it if:** you want an electric tool The gel is the outlier, and that is deliberate. Not everyone wants a motor near their feet, and shared households need something a nervous partner will still use. Love, Lori's extra strength gel comes in a 6 fl oz bottle and lists water, glycerin, mint, and fragrance as ingredients. The brand claims results in 3 to 5 minutes when paired with a foot soak, followed by a manual buff with a scrubber or file. That routine is water-first by design, which is why it fits a roundup on the best waterproof callus remover: the entire method assumes wet feet. A precision applicator nozzle and a pair of gloves ship with the bottle, which the brand says keeps application clean and targeted. This is the fastest-selling pick in the shortlist by a wide margin, and two sellers list it rather than one, so stock tends to hold better than the single-seller electric picks. The trade-off is honest: a chemical exfoliant is not right for cracked, broken, or diabetic skin, and it needs pairing with a physical buffer, so it is not a standalone tool. **Pros:** - 6 fl oz bottle in the entry price position - Precision applicator and gloves included - Water-first routine suits shower and bath users - Two sellers stock it, unlike the single-seller electric picks - The fastest-selling pick in this shortlist **Cons:** - Needs pairing with a manual buffer - Chemical exfoliant is not right for broken skin - No electric power or speed control - Fragrance and mint may irritate sensitive skin [Check Price on Amazon](https://www.amazon.com/dp/B07HRYCWQZ?tag=ictcool-20) ## Rollers, grit, and speed: which combination smooths fastest? Speed alone does not tell you which file removes the most skin per second. Grit does, and so does roller design. The Pedi Perfect uses two textured nanotech rollers with multi-directional micro-grinding points, and Dr. Scholl's names an ultra head for the hardest skin. The Elmchee, Jamestry, and Wea&Hea use quartz sand grinding heads at three coarseness levels, and the coarse head on each is meant for old, stubborn calluses. The PRITECH's feature bullets describe a scientific-speed roller without naming the grit. Rotations per minute are the second variable. Ordering by the top speed each brand publishes: 1. Jamestry, 9,000 rotations per minute at high 2. Jamestry, 7,500 rotations per minute at low 3. PRITECH, 2,200 rotations per minute at high 4. Elmchee, 2,000 rotations per minute at high 5. PRITECH, 1,900 rotations per minute at low 6. Elmchee, 1,700 rotations per minute at low Dr. Scholl's and Wea&Hea do not publish numeric rotation figures for the Pedi Perfect or the MJQ-3-17\. The lesson is that a higher number is not automatically better. A coarse quartz head at 2,000 rotations per minute can remove more per pass than a fine head at 9,000\. Match the head to the skin, then the speed to the head. ## How often should you really use one? Once a week is the honest answer for most people. Callus skin regrows, and the point of an electric file is maintenance, not eradication in a single session. The signs you are using yours too often are specific: pink or red skin under where you filed, tenderness when you press the ball of the foot, and a sting in the shower the next morning. If any of those appear, drop back to once every ten days and switch to the fine or medium head. Two speeds exist on every electric pick in this shortlist for exactly this reason. Twice a week is fine if you are on your feet all day in closed shoes, if you run, or if your calluses reformed within days of the last session. Anyone with diabetes, neuropathy, or reduced circulation should not use an electric file at all without a clinician's steer. ## Head-to-head: Dr. Scholl's Pedi Perfect vs. Elmchee These two are the picks worth comparing directly. The Pedi Perfect wins on run time. Dr. Scholl's publishes 90 minutes per charge and adds an LED battery indicator; the Elmchee publishes a 1200mAh battery capacity but no run time in minutes. If you want a stable number to plan sessions around, the Pedi Perfect gives it to you. The Elmchee wins on sealing. Its IPX7 rating is the strongest waterproof claim in this shortlist, and its listing describes rinsing the whole body under running water. Dr. Scholl's uses the phrase "waterproof, wet or dry" but publishes no IP code, so on the strict question of shower or bath tolerance, the Elmchee has more paperwork behind it. The Elmchee also wins on roller variety, with three quartz heads to Dr. Scholl's two rollers. The Pedi Perfect counters with the dust catcher, which no other pick here has. If your priority is longer sessions and less mess, take the Pedi Perfect. If your priority is a fully sealed body for wet routines and coarseness options, take the Elmchee. ## What the listings do not tell you Product pages are marketing surfaces. Three things you will not find on any of them: - **How loud the motor really is.** None of the six publish a decibel figure. Higher rotation counts tend to whine more, so the Jamestry at 9,000 rotations per minute will not sound like the PRITECH at 2,200. - **How the rollers wear.** All the electric picks include replacement heads. None publish how many sessions per head, because it depends on how thick your calluses are and which speed you favour. - **How the battery ages.** Lithium batteries lose capacity. A 90-minute run time on the Pedi Perfect at year one is not the same at year three, and none of these listings mention a warranty. The practical fix is a rinse-and-air-dry habit after every session, a swap to the fine head for finishing, and a note in your bathroom cabinet of when you last changed rollers. ## The verdict Two tracks split this category. If you want the longest published run time and the cleanest session, the Dr. Scholl's Pedi Perfect Electric Foot Callus Remover is the best waterproof callus remover here. A 90-minute battery, two textured nanotech rollers including an ultra head for hard skin, two speeds, an LED battery indicator, and a patent-pending dust catcher are the specifications that put it first. It is the most expensive pick in this set, and that is the price you pay for the run time and the mess control. If you want the strongest sealed body for shower pedicures and a wider spread of coarseness, the Elmchee Electric Foot Callus Remover Kit is the better buy. Its IPX7 rating tolerates rinsing under running water in a way no other pick here claims explicitly, and three quartz grinding heads cover rough, medium, and fine skin at 1,700 and 2,000 rotations per minute. The cutoff is what you optimise for: session length versus sealing. Everything else in the shortlist is a specialisation, from the entry-price Jamestry, to the gentle-speed PRITECH for beginners, to the 17-piece Wea&Hea for households, to the Love, Lori gel for anyone who would rather not hold a motor at all. ## FAQ ### Is a waterproof callus remover worth it over a manual foot file? A waterproof callus remover is worth it if you have thick heel calluses that a manual file takes ten minutes to touch. Electric rollers remove more skin per second, and the waterproof body lets you work damp skin straight after a soak. If your calluses are light or seasonal, a manual file or the Love, Lori gel does the same job for less. ### What does IPX7 mean on the Elmchee Electric Foot Callus Remover Kit? IPX7 on the Elmchee means the manufacturer rates the body for temporary immersion in water at a shallow depth. In practical terms, the listing describes rinsing the whole body under running water. That is stronger than an IPX6 claim, which covers heavy spray but not immersion. Do not leave any electric file at the bottom of a filled bath, whatever the rating. ### How does the Dr. Scholl's Pedi Perfect compare to the Wea&Hea kit? The Dr. Scholl's Pedi Perfect compares favourably on run time, with 90 published minutes per charge against the Wea&Hea's 30 to 60-minute claim. The Wea&Hea counters with three roller coarseness levels and a 17-piece kit including stainless tools. Pedi Perfect wins for long single sessions and mess control; Wea&Hea wins for shared households wanting a full pedicure kit. ### Can the Jamestry callus remover be used in the shower? The Jamestry callus remover can be used with wet feet and rinsed after, but the listing states the charging port is not waterproof, only the body. That means the port has to be fully dry before charging, and the file should not be submerged in a full bath. For strict shower use, the IPX7-rated Elmchee has a stronger sealing claim than the Jamestry does. ### How often should you use an electric foot file? Use an electric foot file about once a week for maintenance, or every ten days if your skin is thin or your calluses are light. Signs you are overdoing it are pink skin, tenderness on the ball of the foot, or a sting the next morning. Anyone with diabetes, neuropathy, or open cracks on the heel should ask a clinician before using one at all. Where to start depends on the specification you care most about. Long sessions and mess control push you to the Pedi Perfect and its 90-minute battery; a sealed body for wet routines pushes you to the Elmchee's IPX7 rating; a strict budget pushes you to the Jamestry with the port caveat. Whichever route you take, keep the head that ships coarse for the first minute on thick skin, drop to fine to finish, and rinse and air-dry the head between sessions. That habit, more than any single specification on any listing, is what keeps a waterproof callus remover working through year two and beyond. *Last updated: September 23, 2026\. Product availability re-checked.* *This page contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.*