ACF
Activated carbon fibre
A high-surface-area medium designed to adsorb residual chlorine and help reduce unwanted odours, abnormal colour and selected organic contaminants in everyday shower water.
Senca Lumen
Everyday water, refined.
Multi-stage filtration and a Vitamin C stage, in one hand-fitted shower head.
Multi-stage filtrationVitamin C stageMade for hard waterFits by hand, no tools
Shop Senca
One shower system, and the refill that keeps it performing.
Multi-stage filtration
Sediment, rust and fine particles captured. Activated carbon fibre designed to reduce residual chlorine.
Built for hard water
Designed for hard-water homes, helping reduce the mineral residue that builds up inside a shower head.
Vitamin C
A replaceable Vitamin C stage at the end of the system — the beauty side of the ritual.
Two spray modes
A full shower stream or a finer mist, from a finely perforated spray plate.
The system
One shower head. Everything it needs, in the box.
Filtration, a Vitamin C stage and two spray modes, in brushed silver.
Brushed Silver
Senca Lumen
Multi-stage filtration and a Vitamin C stage, in brushed silver. Softer-feeling skin, smoother-feeling hair.
35 900 Ft
- Filtration cartridge + Vitamin C cartridge included
- Two spray modes — full shower or fine mist
- Fits a standard hose, fitted by hand in minutes
Why Senca
The part of your routine you never think about.
You filter your drinking water and read the label on your serum. Shower water gets none of that attention — and you stand in it every day.
Cleaner-feeling water
Media designed to reduce residual chlorine and capture sediment before it reaches your skin.
Built for hard-water homes
Helps reduce the mineral residue that builds up inside a shower head and dulls the spray.
Skin and hair comfort
A gentler-feeling shower, for softer-feeling skin and smoother, more manageable hair.
How it works
Four stages, one hand-tightened fitting.
01
Filter
Water enters through layered particulate media that captures sediment, rust, colloidal material and smaller particles before anything reaches your skin.
02
Refine
Activated carbon fibre adsorbs residual chlorine and selected organic contaminants — the stage that changes how the water smells and feels.
03
Infuse
A Vitamin C cartridge sits in the final stage. This is the beauty and wellness layer of the shower — a softer, more considered finish to the water.
04
Choose your flow
Select the mode that suits the moment: a full shower stream for everyday washing, or a finer mist for a gentler, more enveloping rinse.
Inside the cartridge
Understandable science, not a technical manual.
Each medium in a Senca cartridge has one job.
Multi-stage
Particulate filtration
Layered media designed to capture sediment, rust, fine particles and colloidal material before water reaches the spray plate — the groundwork every other stage depends on.
Ritual
Vitamin C
A Vitamin C formulation — typically Vitamin C concentrate with glycerine and aromatic components — positioned as the sensory, beauty-led finish to the shower rather than a clinical treatment.
The short version
- Sediment and rust
- Residual chlorine
- Selected impurities
- Mineral residue
Filter · Refine · Infuse
Refined shower water
Filtration addresses water quality. The Vitamin C cartridge supports the beauty and sensory side of the shower. We keep the two claims separate on purpose.
The last calm ten minutes of the day should feel like it.
Shower water is part of everyday self-care. It deserves the same consideration as everything else in your routine.
Owning a Senca
Filtration media is a consumable. We made replacing it effortless.
Cartridges are designed to be replaced roughly every three months. Buy one whenever you need it — or let the Smart Refill Plan handle it and pay less each time.
Smart Refill Plan
11 700 Ft14 600 Ft
per refill set, delivered every 3 months — you keep 2900 Ft each time
- Your shower system today, at its normal price
- Refills delivered automatically every 3 months
- Lower refill price than buying one-off
- No need to remember when to replace anything
- Manage, pause or reschedule from your account
- Change or cancel whenever you need to
Senca Refill Set
Everything the Senca Lumen consumes
- — Vitamin C cartridge
- — Filtration cartridge
- — Replacement sealing washer
14 600 Ft one-time11 700 Ft on the plan
One-time refills stay available at 14 600 Ft — the plan is a convenience, never a requirement.
About Senca
A quiet standard for the water you stand in.
We are a product company before we are a beauty brand. Senca exists because shower water is the least-examined part of most routines.
- Claims written as design intent, never as clinical results
- Components chosen for how they perform in a real bathroom
- A replacement rhythm that fits into ordinary life
Good questions
The four we get most.
Senca uses multi-stage filtration designed for everyday shower water. Particulate layers are designed to capture sediment, rust, fine particles and colloidal material, while activated carbon fibre is designed to adsorb residual chlorine and selected organic contaminants.
No. Senca is not a water softener. The system is designed with hard-water homes in mind and helps reduce the mineral residue that builds up inside a shower head, but softening your household water is a different process entirely and we do not claim it.
Roughly every three months for a typical household. The exact interval depends on your water quality and how often the shower is used — heavier use or harder water shortens the cycle.
You buy your shower system at its normal price. From then on, the refill set is sent to you automatically every three months at the lower plan price, so the system keeps performing without you having to remember anything.