Your skincare routine might be perfect. But if your shower water isn't clean, it could be holding you back.
We spend so much time choosing the right cleanser, the perfect shampoo, the serum that promises glowing skin. But there's something most of us overlook entirely: the water itself.
Every time you shower, your skin and hair are exposed to whatever's in your tap water — and in New Zealand and Australia, that almost always includes chlorine. While chlorine keeps our drinking water safe (and we're grateful for that), it wasn't designed with your skin and hair in mind.
Here's what's actually going on, and why a simple change at the shower head can make a surprisingly big difference.
What's in Your Shower Water?
Across New Zealand, chlorine is added to municipal water supplies as a disinfectant. It's regulated by Taumata Arowai under the Drinking Water Standards, and most council supplies maintain a minimum residual chlorine level of around 0.2 parts per million at the tap. In Australia, it's a similar story — chlorine and sometimes chloramine are standard in most metro water supplies.
Beyond chlorine, your water may also contain trace amounts of heavy metals like lead, copper, and mercury, along with sediment from ageing pipes. The exact mix depends on where you live, the age of your local infrastructure, and how far the water has travelled to reach your home.
None of this makes tap water dangerous to drink. But showering is different — you're exposing a large surface area of skin and hair to warm water for extended periods, which opens up your pores and cuticles.
How Chlorine Affects Your Skin
Chlorine is an oxidising agent. That's what makes it effective at killing bacteria in water. But that same oxidising action doesn't stop when the water hits your skin.
When chlorinated water contacts your skin, it can strip away the natural oils (known as sebum) that form your skin's protective moisture barrier. Without that barrier functioning properly, moisture escapes more easily, and irritants can get in.
The result? Skin that feels tight, dry, or itchy after showering — especially during winter when humidity is already low. For people with existing skin sensitivities like eczema or dermatitis, chlorinated water can make flare-ups worse.
Dermatologists have noted that reducing chlorine exposure can help maintain the skin's natural pH balance and moisture levels, which is why filtered shower heads are increasingly recommended for people with sensitive or reactive skin.
What Chlorine Does to Your Hair
Your hair is surprisingly porous, and the cuticle — the protective outer layer of each strand — can absorb minerals and chemicals from the water you wash it in.
Chlorine strips the natural oils from your hair and scalp, much like it does with skin. Over time, this leads to hair that feels dry, brittle, and straw-like. You might notice more frizz, less shine, and a scalp that feels tight or flaky.
Hard water minerals like calcium and magnesium compound the problem. They can build up on the hair shaft, making it feel rough and heavy, and reducing how well your shampoo and conditioner actually work. Ever noticed that your hair behaves completely differently when you travel? The water quality in your destination is often the reason.
Research has also linked hard water exposure to increased hair breakage and thinning. A study published in the Journal of Dermatology found that hair tensile strength decreased after exposure to hard water over time.
The Hidden Impact on Your Products
Here's something that surprises most people: unfiltered water can actually reduce how effective your hair and skincare products are.
Chlorine and mineral deposits create a film on your skin and hair that interferes with product absorption. Your expensive serum, your carefully chosen conditioner — they can't do their job properly if there's a layer of mineral residue in the way.
Many people find that after switching to filtered water, they need less product to achieve the same (or better) results. Shampoo lathers more easily, conditioner feels more effective, and skin absorbs moisturiser the way it's supposed to.
Why This Matters in New Zealand and Australia
If you live in Auckland, Wellington, Sydney, Melbourne, or most other urban centres in NZ and Australia, your water is chlorinated. It's a public health measure that's been in place for decades, and it does its job well.
But the conversation about water quality is shifting. More New Zealanders are becoming aware that while our water is safe to drink, it may not be ideal for prolonged skin and hair contact. Canterbury councils have openly acknowledged that chlorine can be an irritant for existing skin conditions, and suggest that shower filters are a practical solution.
In Australia, where water can also be quite hard depending on your region, the combination of chlorine and mineral content can be particularly tough on hair and skin.
What a Filtered Shower Head Actually Does
A quality shower filter uses filtration media — typically a combination of KDF-55 (a copper-zinc alloy) and calcium sulphite — to neutralise chlorine, reduce heavy metals, and filter out sediment before the water reaches your skin and hair.
The key word is "reduce." No filter removes 100% of everything, and anyone who tells you otherwise isn't being straight with you. But a well-designed filter can remove up to 90% of chlorine and significantly reduce heavy metals and other contaminants. That's a meaningful difference you can often feel from your very first shower.
What most people notice first is the texture of the water itself. It feels softer, smoother. Hair rinses cleaner. Skin doesn't feel stripped or tight afterwards. Over a few weeks, the cumulative benefits become more noticeable — less dryness, less irritation, hair that holds its style better and looks healthier.
Small Change, Noticeable Difference
Filtered shower water isn't a miracle cure and we'd never claim it is. But for many people, it's the missing piece in their wellness routine — the thing they didn't realise was working against them.
Think about it this way: you probably already filter the water you drink. Your skin is your body's largest organ, and your shower is one of the longest daily exposures it gets. Filtering that water too just makes sense.
If you've been dealing with persistent dryness, irritation, or hair that never quite looks or feels as healthy as it should, your water quality is worth investigating. Sometimes the simplest changes make the biggest difference.
Ready to feel the difference?
Explore the nimbeau™ shower head →