第一集 — Series 01 · Now in release

Stillness, made visible.

静けさは、肌に宿る。 — Stillness lives in the skin.

A single intervention for visible clarity. Engineered with the patience of a tea master and the precision of a clinical lab — wabi-sabi for your complexion.

The Clarity Serum on a stone plinth
清明
0.5% レチノイド Matrix
pH 5.5 — 肌に優しい
清 明 静 雅 純
VOGUE JAPAN POPEYE BRUTUS &PREMIUM CASA BRUTUS GINZA FT WEEKEND MONOCLE WALLPAPER* VOGUE JAPAN POPEYE BRUTUS &PREMIUM CASA BRUTUS GINZA FT WEEKEND MONOCLE WALLPAPER* VOGUE JAPAN POPEYE BRUTUS &PREMIUM CASA BRUTUS GINZA FT WEEKEND MONOCLE WALLPAPER*
The Clarity Serum
Best Seller
[ Series 01 — Edition 02 ]

The Clarity Serum

A bio-identical retinoid matrix engineered for visible cellular translucency.

— —≈ 12-week supply
  • Dermatologist-tested on 312 participants
  • Non-comedogenic — pH 5.5, barrier-safe
  • Vegan, cruelty-free, fragrance-free
  • Free express shipping over €120
  • 60-day clarity guarantee, or full refund
Read the full ingredient list →
[ As seen in ]

Featured in the publications that define taste.

VOGUE
JAPAN
MONOCLE
ISSUE 174
GINZA
BEAUTY
FT
HOW TO SPEND IT
WALLPAPER*
DESIGN AWARDS
BRUTUS
POPEYE
"An exercise in editorial restraint."
VOGUE JAPAN
"Quietly the most considered serum of the year."
MONOCLE ISSUE 174
"清明 — the new standard for clarity."
GINZA BEAUTY
[ The Method ]

Clinical evidence
meets aesthetic restraint.

Each formulation passes through a 14-step verification protocol — from molecular synthesis to in-vivo trial — before it touches glass. We measure clarity in numbers, not adjectives.

[ Metric 01 ]
94%

Visible clarity within 14 days of nightly application

[ Metric 02 ]
2.5×

Increase in measured cellular turnover at week 6

[ Metric 03 ]
−68%

Reduction in pro-inflammatory markers, sebum normalized

Macro photograph of a clear serum droplet
01 / Texture

Every molecule is engineered for depth. We don't believe in surface-level hydration; we believe in the structural integrity of the dermal barrier.

Laboratory glassware with clear botanical extracts
02 / Source

Sourced from the high-altitude flora of the Valais, our bio-actives are stabilized in a weightless lipid matrix for 24-hour cellular absorption.

[ The Formulation Dossier ]

Every molecule, disclosed.

INCI · Concentration · Function

01

Stabilised Bakuchiol

Psoralea Corylifolia Seed Extract

Concentration2.0%Retinoid analogue

Plant-derived retinol alternative — accelerates cellular turnover without the irritation or photosensitivity of traditional retinoids.

Vegan Pregnancy-safe Non-photosensitising
02

Encapsulated Niacinamide

Niacinamide (Vitamin B3)

Concentration5.0%Sebum & pore regulator

Time-released vitamin B3 that normalises oil production and visibly tightens pore architecture within 14 days.

Clinically tested Barrier-safe
03

Centella Asiatica Complex

Centella Asiatica Extract (Madecassoside, Asiaticoside)

Concentration1.5%Anti-inflammatory

Triterpene-rich botanical that calms reactive skin and reinforces the dermal repair cycle overnight.

Soothing Antioxidant Wild-harvested
04

Multi-Weight Hyaluronic Matrix

Sodium Hyaluronate (10kDa / 50kDa / 1000kDa)

Concentration1.2%Deep hydration

Three molecular weights of hyaluronic acid hydrate every dermal layer — surface to sub-cutis — for 24-hour plumpness.

Humectant Lightweight
See the full eight-active list →Plus 12 things we never use
[ Free from ]
Synthetic fragrance
Essential oils
Parabens
Sulphates (SLS / SLES)
Silicones
Phthalates
Mineral oil
Animal-derived ingredients
PEGs
Drying alcohols
Synthetic dyes
Microplastics
[ The Ritual ]

Two minutes.
Twelve weeks.
One standard.

Cleanse, correct, seal. Three deliberate gestures, engineered around the skin's nocturnal repair cycle.

Read the Ritual →
[ 01 ]

The Dissolution

Cleanse
[ 02 ]

The Clarity Serum

Correct
[ 03 ]

The Veil

Seal
E
"The first product that treats skin like an architectural project rather than a beauty trend. Clarity isn't a goal — it's a standard."
Elena Vance — Aesthetic Architect, Zürich
清 明
終 · End of Sequence

清明へ還る。

Return to clarity.

Buy The Clarity Serum — €168
4.9 / 5
Excellent · Trustpilot
12,847
Verified reviews
96%
Would recommend

声 — What customers say

[ Independently verified ]

"My skin feels like silk"

Three weeks in and my texture is unrecognisable. The matte clarity at 6pm is what sold me — no shine, no breakouts.

Aiko T.
Tokyo, JP · Verified · Series 01

"Finally, restraint over hype"

I have tried every retinoid on the market. Hikarii is the first that did not redden my cheeks. The bottle alone is worth the shelf space.

Marcus R.
Zürich, CH · Verified · Subscription

"Worth every euro"

Cystic acne since I was 19. Day 21 — flat skin, even tone, real translucency. I bought my mother one too.

Camille D.
Paris, FR · Verified · 60-day club

"The ritual is meditative"

Two minutes, twice a day. It made skincare feel like ceremony again. My esthetician asked what I changed.

Hana K.
Seoul, KR · Verified · Series 01