Build Your Skincare
Four essential pieces.
Everything your skin deserves.
FOUNDING STORY
DEAU is an edited approach to skincare.
Founded by Hina Mian, the brand reflects a point of view shaped by her time in Japan, immersed in a culture where mastery is measured in lifetimes and beauty is found in restraint. Nothing is rushed. Ordinary objects are treated as worthy of extraordinary care. Excellence is never finished, only refined.
That philosophy became the foundation of DEAU.
Each DEAU formula is designed to earn its place. High-strength clinical actives are balanced with restorative Japanese onsen water and botanicals, creating products that treat with intention while preserving long-term skin health. The result is a tightly curated lineup, engineered to replace excess, not contribute to it.
DEAU was created for those who believe that fewer, better products can out perform an entire routine. That care and performance are not opposites. And that less done right, wins.
“I grew tired of skincare that felt like work—routines that overwhelmed, formulas that irritated, promises that underdelivered. True excellence isn’t about adding more, it’s about refining until only what matters remains.”
THE SCIENCE BEHIND
Every DEAU formula is built on a simple principle: to treat and protect at the same time.
Our Offense–Defense Skincare™ corrects visible concerns such as dark spots, dullness, uneven texture, while actively strengthening the skin barrier. Results are delivered without compromising comfort.
This approach allows each product to address multiple concerns at once. The result is a complete routine in fewer steps.
Skincare that performs like treatment, but feels like self-care.
A LOVE LETTER TO
Every DEAU product is developed in Japan, where formulation is approached with discipline, precision, and long-term thinking.
Our formulas are made with mineral-rich water sourced from Ushio Onsen in Izumo and pharmaceutical-grade raw materials selected for purity and performance. Actives are used with intention, at levels designed to work, not simply appear on a label.
Each product is rigorously tested for safety, stability, and efficacy. Full traceability is maintained from source to bottle. DEAU is cruelty-free and formulated without parabens, sulfates, or fragrance.
All DEAU products are developed and manufactured in Japan with laboratories specializing in advanced delivery systems and stabilization technologies.
Onsen water is mineral-rich water from Japan’s natural hot springs—used for skin healing and beauty for over 1,300 years. We source from Ushio Onsen in Izumo, known for its high concentration of skin-restorative minerals.
Yes. We are certified cruelty-free and never test on animals. Our products are also formulated without parabens, sulfates, and fragrance.
Our proprietary approach to formulation. Every DEAU product combines clinical-strength actives (offense) with barrier-strengtheningand soothing ingredients (defense) so your skin gets results without irritation or compromise.
Fewer than you think. Each DEAU product is designed to replace multiple steps in a traditional routine. Most customers use just two or three products for a complete regimen.
