A refinished bathtub can last 10+ years — or it can start looking dull and scratched within a year. In most cases the difference comes down to what cleaner you use. This is the single most important maintenance topic for a refinished or reglazed surface.
What Destroys a Refinished Finish
Abrasive cleaners — Comet, Ajax, Bon Ami, and similar powder cleansers contain grit that physically scratches the coating with every use. Each cleaning session removes a microscopic layer. Over months, the finish clouds and dulls.
Bleach-based cleaners — Concentrated bleach (like straight Clorox sprayed directly on the surface) can spot-etch and discolor epoxy and urethane coatings. Diluted bleach is less of a concern, but habitual use degrades the finish over time.
Magic Erasers / melamine foam pads — These feel soft but are micro-abrasive — they work by sanding the surface at a tiny scale. On a refinished tub, they remove the surface gloss. Don’t use them, ever.
Scrubbing pads (green Scotch-Brite) — Same problem. Any abrasive pad scratches the coating.
Harsh chemical degreasers — Some bathroom “deep cleaners” use solvents that can soften or cloud an epoxy coating. If a cleaner smells strongly of acetone, MEK, or other ketone solvents, avoid it.
What Is Safe
The rule is simple: non-abrasive, non-bleach, pH-neutral or mildly alkaline liquid cleaners.
Approved categories:
- Dish soap (Dawn, Palmolive, etc.) — diluted with water
- Spray cleaners specifically formulated for fiberglass or refinished surfaces
- Vinegar solutions for mineral deposits — but rinse quickly (prolonged acid contact isn’t great)
- Soft cloth or sponge — no pads with any abrasive texture
Best Specific Products
Best Overall: Rejuvenate Scrub Free Soap Scum Remover
Rejuvenate Soap Scum Remover is specifically formulated for delicate surfaces including acrylic, fiberglass, and refinished tubs. No abrasives, no bleach, and it actually cuts soap scum effectively. This is what I’d recommend buying specifically for a reglazed tub.
Best Budget: Method Daily Shower Spray
Method Daily Shower Spray — spray after showering, no scrubbing needed. Plant-based, no harsh chemicals. Won’t hurt a refinished surface and the daily use keeps soap scum from building up in the first place.
Best for Soap Scum: CLR Bath & Kitchen
CLR Bath & Kitchen Cleaner is safe for fiberglass and acrylic, works well on calcium deposits and soap scum. Avoid the CLR Calcium/Lime/Rust product (too acidic) — the Bath & Kitchen variant is the right one.
Best for Heavy Soap Scum & Mineral Deposits: Lime-A-Way
Update (2026): Lime-A-Way has become our top pick for heavy calcium, lime, and soap scum buildup. It outperforms CLR and vinegar on hard water deposits in our testing.
Critical: Spray on, let sit 3–5 minutes, then rinse completely with water before touching anything else. Never mix Lime-A-Way directly with other cleaners — always rinse thoroughly between products. Used this way, it’s safe on refinished surfaces.
Best for Mineral Deposits: White Vinegar (DIY)
For light hard water deposits and ring stains, undiluted white vinegar on a soft cloth, left for 5–10 minutes, then wiped off works well. Rinse completely after — don’t let acid sit. This is safe on refinished surfaces when used this way.
What to Avoid — Specific Products
| Product | Problem |
|---|---|
| Comet | Abrasive powder |
| Ajax | Abrasive powder |
| Scrubbing Bubbles (original) | Contains bleach compounds |
| Lysol Power Bathroom Cleaner | Can be too harsh for coatings |
| Bar Keepers Friend (powder) | Abrasive |
| Green Scotch-Brite pads | Abrasive |
| Magic Eraser | Micro-abrasive |
Note: Bar Keepers Friend makes a liquid version that is less abrasive — but I’d still avoid it on a refinished surface.
How to Clean Without Scratching
- Use a soft sponge or microfiber cloth — nothing with any texture
- Apply cleaner, let it sit for a minute to do the chemical work
- Wipe, don’t scrub
- Rinse thoroughly
Elbow grease damages refinished surfaces. Give the cleaner time to work and wipe gently.
The Long Game
If you use the right cleaner and a soft cloth every time, a refinished tub can hold its gloss for 7–10+ years. If you use Comet and a scrubbing pad, you’ll be looking at re-refinishing in 2–3 years.
It’s one of the easiest maintenance wins there is — just buy the right cleaner and don’t use anything scratchy.
For dull surfaces that have already taken some damage: how to polish a refinished bathtub →