The World’s First Wagyu Cellular Elixir.
The Science of Wagyu: Nature’s Most Advanced Lipid
Wagyu tallow is chemically closer to human skin than any plant-derived oil or synthetic emollient. Its unique composition includes:
- Omega 3, 6 & 9
- Conjugated Linoleic Acid (CLA)
- Skin-identical lipids
- Natural antioxidants
- Vitamins A, D, E & K
Featured product
Named after the Japanese word for silk — kinu (絹) — this hand cream delivers instant softness with a luminous, refined finish.
Lightweight yet deeply nourishing, it absorbs quickly while restoring smoothness and radiance to over-washed, weather-exposed hands.
Frequently asked questions
Koyu is a UK skincare brand grounded in considered formulation and craft. We source time-honoured, organic ingredients from Japan and refine them using modern cosmetic science developed in London. Our flagship Wagyu Beef Tallow Hand Cream is formulated to support skin health, comfort and resilience, delivering visible nourishment through a carefully balanced blend of tradition and science.
Yes, we work diligently to ensure all of our Wagyu tallow is ethically sourced from traceable farms, with only the highest welfare standards. This commitment to quality extends to the rest of our ingredients too. When you buy from KOYU, you can trust your skincare is free from harmful ingredients.
Wagyu beef tallow is rendered, solidified fat from cattle. Wagyu is a Japanese word, literally meaning ‘cow from Japan’. Most Wagyu is sourced from Japanese Black, Brown, Shorthorn, and Polled cows.
Wagyu Beef Tallow is chemically closer to human skin than other plant-based or synthetic skincare ingredients. It’s packed with the vitamins, antioxidants and other radiance-enhancing goodies your skin needs to glow at its best.
Our hand Cream contains a variety of other ingredients to enhance the natural restorative power of wagyu beef tallow. From Shea Butter that smooths and seals in moisture, to a dash of Orange Oil and Radish Root Extract that provides shelf-stability and a wonderfully uplifting scent. Rest assured, we follow a strict Ingredients Philosophy - you’ll only find the essential ingredients your skin needs in our products. No filler, no excess, only excellence.