JUNSUI MizuWater finds every hollow.
Mizu is delivered as paired ampoules: four lyophilised actives — two forms of hyaluronic acid with ectoin, panthenol and β-glucan — and four pure diluent ampoules. Reconstitute one pair per session; the molecule meets water only when you do. The finish is mizu-hada: skin that catches the light the way still water does.
Hydration is the safest, most validated category in cosmetic skincare. We frame Mizu as a tissue hydration matrix — not a plumping illusion.
Lyophilised HA matrix with ectoin, panthenol and β-glucan — held dry at peak potency.
Pure phosphate-buffered saline, pH 7.0 — the water that wakes the molecule.
One dry + one wet = one session. Activated at the moment of use. Spent within the hour. The molecule never waits.
The kit, observed quietly.
The ampoule opened. The box that holds eight. A hand that knows the ritual. The serum at the moment of pour.
Scientific Detail.
- Active (dry)
- HA 1.2% (high-MW + crosslinked) · Ectoin 1% · Panthenol 2% · β-Glucan 0.5% — lyophilised
- Diluent (wet)
- Phosphate-buffered saline, pH 7.0 — 2.0 ml per ampoule
- Format
- 8-ampoule reconstitution kit · 4 dry + 4 wet · 4 sessions
- In the box
- 4 lyophilised active ampoules · 4 diluent ampoules · ritual card
- Ampoule closure
- Butyl septum · champagne aluminum crimp · gold foil disc
- Purity
- Cleanroom-filled · lyophilised under nitrogen · pure diluent
- Shelf life
- 36 months sealed · spent within the hour once reconstituted
Six unhurried steps.
- 01
Prepare — lay out one dry ampoule, one wet ampoule, and a small clean dish on a calm surface. Hands washed; face cleansed and patted dry.
- 02
Unseal — lift the gold foil disc from one dry ampoule and one wet ampoule. The butyl septum stays in place.
- 03
Pour the diluent — gently pour the contents of the wet ampoule into the dry ampoule, running the liquid down the inner wall.
- 04
Awaken — swirl the dry ampoule for thirty seconds. Do not shake. The lyophilisate dissolves into a clear pour within a minute.
- 05
Apply — dispense 3–5 drops onto your fingertips. Press gently onto face and neck in light, upward strokes. Pat until absorbed.
- 06
Rest — allow the serum to settle for two minutes before applying moisturiser or oil. Use within the hour of reconstitution.
Activated at the moment of use. Spent within the hour. The molecule never waits.
The kit ships as eight sealed ampoules and a ritual card. The pure tri-pin 34G caps and luer-lock syringes are sold separately on theMicro-Channel Delivery page.
The JUNSUI tri-pin cartridge.
The recommended companion to JUNSUI Mizu — three cosmetic-grade pins, copper-tinted housing, and a universal luer-lock base that mounts onto the syringe carrying your reconstituted serum. Sold separately as a pure ten-cap refill box.
- · 34G × 3-pin pure tip
- · Universal luer-lock base · fits standard syringes
- · EO sterilized · single-use
- · Available on the Topical Ritual page
Before you buy.
Pour the diluent — gently pour the contents of the wet ampoule into the dry ampoule, running the liquid down the inner wall. Awaken — swirl the dry ampoule for thirty seconds. Do not shake. The lyophilisate dissolves into a clear pour within a minute. Apply — dispense 3–5 drops onto your fingertips. Press gently onto face and neck in light, upward strokes. Pat until absorbed.
An 8-ampoule reconstitution kit — 4 lyophilised active ampoules and 4 pure diluent ampoules, totalling 4 sessions. Lyophilised HA matrix with ectoin, panthenol and β-glucan — held dry at peak potency.
36 months sealed · spent within the hour once reconstituted
Yes. Once reconstituted, the serum is applied with clean fingertips as part of your evening skincare ritual. Dispense 3–5 drops and press gently onto cleansed face and neck. For topical cosmetic use only — not for injection.
Kits ship from Japan via tracked courier in protective insulated packaging. Standard delivery is 3–7 business days to the US, UK, EU, Canada and Australia. Shipping is a $25 USD flat rate, free for orders over $250.
Sealed, unopened kits can be returned within 14 days of delivery for a refund of the product price. Customer pays return shipping. Once a ampoule seal is broken, the kit cannot be returned for purity reasons. Full details on the Returns page.