Made in JAPAN
40ml
English: BRIGHTENING SERUM SUPREME
Released on February 21, 2026
Features
To maintain a youthful appearance, Clé de Peau Beauté Research Institute has continued scientific research into skin changes over time. Over the course of more than 10 years, we have developed the advanced FutureSculpt Technology. This technology is supported by our proprietary Golden Botanical Extract*1 (firming and moisturizing). It targets unseen signs of skin change and continues to protect skin's beauty, even into the future.
1 Honeysuckle Flower Extract, Safflower Flower Extract, Bupleurum Root Extract, Glycerin
Exceptional Results
Suppresses melanin production and prevents dark spots and freckles.
Moisturizes dry, dull-looking skin, revealing a youthful, radiant complexion.
Provides luxurious, long-lasting moisture.
Reduces the appearance of fine lines caused by dryness* while improving skin's firmness and elasticity. *Efficacy evaluation tested
Intelligent Technology and Ingredients
Focusing on epigenetics research. Formulated with Luminous Algae Extract GL*2 (moisturizing), containing rainbow-colored seaweed derived from the ocean, the origin of all life, and Sea Ferment Brightener*3 (moisturizing), containing extracts possessing the mysterious vitality of the deep sea. It hydrates skin and prevents dullness caused by dryness.
Active 4MSK (potassium 4-methoxysalicylate), a whitening active ingredient, delivers a multifaceted approach to prevent melanin buildup in the skin. It blocks the enzyme tyrosinase, which triggers melanin production, in multiple steps, effectively suppressing melanin production and preventing blemishes and freckles.
Equipped with Fluid Absorption F.A.S.T. Technology, Active 4MSK penetrates*4 deep into the skin without stagnation, fully unleashing the power of its whitening ingredients.
2. Cystoseira Tamarischifolia Extract, Glycerin
3. Alteromonas Ferment Extract, Glycerin
4. Deep into the stratum corneum
[Quasi-drugs]
This product is a quasi-drug in Japan.
Cosmetics and quasi-drugs categories
In Japan, the Japanese Ministry of Health, Labour & Welfare classifies the beauty products under 2 categories: cosmetics and quasi-drugs. Quasi-drugs, in opposite to cosmetics, are medicated, have a mild pharmacologic effect and include active ingredients. If the product is approved as a quasi-drug by the ministry, the manufacturer is allowed to actually claim the effectiveness of the product.