INCI · plant-extract · CIR review pending · used in 2 products
Betula Platyphylla Japonica Juice
Betula Platyphylla Japonica Juice is the sap derived from the Japanese white birch tree (Betula platyphylla japonica, family Betulaceae), with CAS number 223748-09-2. It is commonly known as birch sap or birch water and is used as a skin conditioning agent in cosmetic formulations. It frequently appears as a primary or high-concentration ingredient in hydrating toners, creams, and essences, often replacing water in the formula.
Evidence level
weakEWG score
—Comedogenic
—Category
plant-extract● Benefits
According to the source, its official CosIng-listed function is skin conditioning. It is widely used in K-beauty hydrating products, suggesting a moisturizing and skin-softening role, though the source does not provide detailed clinical benefit data.
hydratingskin-conditioning
● Cautions

