Quick answer: Yes, a vitamin C shower filter really works to neutralise chlorine and chloramine in your shower water. Vitamin C (ascorbic acid) reacts with both almost instantly, even in hot running water. It won't soften hard water, remove fluoride or treat eczema, and the cartridge needs replacing every month or two because the vitamin C dissolves as it works.
Does a vitamin C shower filter really work?
Yes, a vitamin C shower filter really works for its main job, which is removing the chlorine or chloramine that Australian water utilities add to tap water.
- The chemistry is well established. "Ascorbic acid rapidly reduces oxidizing chlorine compounds" (Urbansky et al., Journal of Environmental Monitoring, 2000). Labs and aquariums use it to dechlorinate water.
- It works on chloramine too. The San Francisco Public Utilities Commission found 1,000 mg of vitamin C fully neutralised the chloramine in a bathtub of water. This matters in Brisbane and the SEQ Water Grid, and in parts of Sydney, where chloramine is the disinfectant.
- Our cartridge has been tested. In a Korea Environment & Water Works Institute test of the vitamin C cartridge we use, residual chlorine was not detected in the filtered water at any point from 100 to 1,000 litres.
What can a vitamin C shower filter do, and what can't it?
A vitamin C shower filter can neutralise disinfectants and may make skin and hair feel less dry, but it can't soften water or treat skin conditions.
| Claim | Reality |
|---|---|
| Removes chlorine | Yes, quickly, while the cartridge lasts |
| Removes chloramine | Yes: vitamin C reacts with it (carbon and KDF filters only partly reduce it) |
| Softer-feeling skin and hair | May help if chlorine or chloramine is drying them out; results vary |
| Softens hard water | No: it doesn't remove calcium or magnesium |
| Removes fluoride | No |
| Treats eczema or stops hair loss | No: see our eczema guide |
| Lasts forever | No: the vitamin C dissolves; Nude Aqua's Vitamin C Shot lasts about 6,000 litres (45–60 days) |
Why does chlorine in shower water matter?
Chlorine and chloramine keep Australia's tap water safe to drink, but in a hot shower they can leave skin feeling tight and hair dry, and the steam carries a chlorine smell.
Common signs:
- dry or itchy skin after showering
- straw-like or fast-fading coloured hair
- a chlorine smell in the bathroom
Is a vitamin C shower filter better than a carbon or KDF filter?
A vitamin C shower filter is better than carbon or KDF where your water uses chloramine, because vitamin C reacts with chloramine and those media only partly reduce it. KDF cartridges last longer in chlorine-only areas. Full comparison: Best Vitamin C Shower Filter Australia.
FAQ
How long does a vitamin C shower filter last?
A vitamin C shower filter lasts about 6,000 litres in the Nude Aqua Vitamin C Shot, roughly 45–60 days for a typical household. Replace it sooner if the cartridge has dissolved or the scent fades.
Does a vitamin C shower filter work with hot water?
Yes, a vitamin C shower filter works with hot water, because ascorbic acid neutralises chlorine almost instantly at shower temperatures. It suits gas, electric and solar hot-water systems.
Does a vitamin C shower filter soften hard water?
No, a vitamin C shower filter doesn't soften hard water. It neutralises disinfectants but leaves calcium and magnesium in the water; for limescale you need a water softener.
Is a vitamin C shower filter worth it?
A vitamin C shower filter is worth it if chlorine or chloramine dries out your skin or hair, especially in Brisbane or other chloramine areas. It isn't worth it if your main problem is limescale.
Final thoughts: is a vitamin C shower filter worth it?
A vitamin C shower filter is one of the simplest ways to take chlorine and chloramine out of your shower: no plumber, nothing to plug in, and you can see when it needs replacing. Just buy it for what it really does, not for promises about anti-ageing or curing skin conditions.
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