If you’ve started looking for ways to improve the water you shower in, you’ve probably come across two terms again and again: shower filter and filtered shower head.
They sound almost identical — and to be fair, they do a very similar job.
But there is a difference.
So, if you're wondering which one you need, here's the simple explanation.
What Is a Shower Filter?
A shower filter is a separate filtration unit that usually fits between your shower hose or pipe and your existing shower head.
Water passes through the filter before coming out of the shower head, helping to reduce chlorine and certain other impurities in your shower water.
The advantage is that you may be able to keep your existing shower head.
The downside? You're adding another piece of equipment to your shower, which isn't always the neatest-looking option.
What Is a Filtered Shower Head?
A filtered shower head combines the shower head and filtration system into one product.
Instead of attaching a separate filter to your existing shower, the filter sits within the shower head itself.
Water passes through the filtration media before reaching your hair and skin.
For many people, this is simply a more convenient option. You get a new shower head and filtration system together, without having to add another bulky attachment to your shower.
So, What's the Difference?
The main difference is simply where the filter is located.
With a separate shower filter, you keep your existing shower head and add a filtration unit to it.
With a filtered shower head, the filtration system is incorporated into the shower head itself.
Both are designed to improve the quality of the water you shower in.
Which one is right for you really comes down to what you're looking for.
Why Filter Your Shower Water in the First Place?
We spend a lot of time thinking about what we put on our hair and skin — shampoos, conditioners, serums, moisturisers — but rarely think about the water we're washing them in.
UK tap water is disinfected to make it safe for us to use, and chlorine is commonly used as part of that process.
Regular exposure to chlorinated shower water can contribute to that dry or tight feeling some people notice after showering, particularly if their hair or skin is already prone to dryness.
A shower filter is designed to reduce chlorine and certain other impurities before the water reaches you.
It's a very simple change to something you already do every day.
What About Hard Water?
This is where it's important to understand what a shower filter can and can't do.
Hard water contains naturally occurring minerals, particularly calcium and magnesium. If you live in London, Essex or many other areas of the South and East of England, you'll probably be very familiar with the limescale it leaves around taps, shower screens and kettles!
A shower filter is not the same as a water softener and shouldn't be expected to remove all of the minerals responsible for hard water.
What a good shower filter can do is reduce chlorine and other impurities in the water, helping to create a gentler shower experience for your hair and skin.
So if your main aim is to completely soften the water throughout your home, you'd need to look at a water-softening system.
If your priority is improving the water you shower in without making major changes to your plumbing, a filtered shower head is a much simpler option.
Which Is Better: A Shower Filter or a Filtered Shower Head?
There isn't one answer that's right for everyone.
A separate shower filter may suit you if you absolutely love your current shower head and simply want to add filtration.
A filtered shower head may be better if you'd like an all-in-one solution that's easy to fit and doesn't add another separate unit to your shower.
That's exactly why we designed the Sia filtered shower head as an all-in-one solution.
The filtration system sits within the shower head, so you simply replace your existing shower head and you're ready to go.
No plumber. No complicated installation. No major bathroom changes.
What Should You Look for When Choosing One?
Whichever type you choose, don't buy purely because the packaging says "filtered".
Take a look at what's actually inside the filter, how often it needs replacing and whether replacement cartridges are readily available.
It's also worth considering:
- How easy it is to install
- How often the filter needs changing
- The type of filtration media used
- Whether replacement filters are easy to buy
- Whether it will fit your existing shower
- The overall quality of the shower head
And be wary of products making unrealistic claims about completely removing hard-water minerals if they're simply shower filters.
The Sia Approach
We wanted shower filtration to be something you could easily incorporate into your normal routine — not another complicated piece of bathroom equipment.
The Sia filtered shower head combines the shower head and replaceable filtration system in one simple design.
It's designed to help reduce chlorine and impurities in your shower water, while giving you an easy way to upgrade the water your hair and skin are exposed to every day.
And when it's time for a fresh filter, you don't replace the shower head. You simply change the filter cartridge.
For Sia filters, we recommend doing this approximately every 90 days.
The Bottom Line
So, shower filter or filtered shower head?
Both are designed to filter the water you shower in.
The main difference is that a traditional shower filter is an additional unit attached to your existing shower, while a filtered shower head has the filtration system built into the shower head itself.
If you want to keep your current shower head, a separate filter may make sense.
If you'd prefer a simple all-in-one solution, a filtered shower head could be the better choice.
