Jade Roller: A facial roller made from jade stone, traditionally used in Chinese medicine. It is believed to promote lymphatic drainage, reduce puffiness, and improve circulation, leading to a smoother and more radiant complexion.

Japanese Green Tea: A type of green tea known for its high antioxidant content, particularly catechins like EGCG. In skincare, it is used for its anti-inflammatory, anti-aging, and sun-protective benefits.

Jasmine Extract: Extract from the flowers of the jasmine plant, known for its soothing, moisturizing, and skin-brightening properties. It is often included in skincare products to improve skin texture and reduce inflammation.

Jojoba Esters: A derivative of jojoba oil used in skincare for its emollient properties. It helps to create a smooth, soft texture in products like creams and lotions while providing moisturizing benefits.

Jojoba Oil: A liquid wax derived from the seeds of the jojoba plant, often used in skincare for its moisturizing, soothing, and antioxidant properties. It mimics the skin's natural sebum and helps balance oil production, making it suitable for all skin types.

Juniper Berry Extract: A plant extract known for its anti-inflammatory, antioxidant, and antimicrobial properties. It is often used in skincare to detoxify the skin, reduce puffiness, and soothe irritation or acne.

Juvenile Acne: Acne that typically occurs during adolescence due to hormonal changes and increased sebum production. It can present as whiteheads, blackheads, or cystic acne, often requiring targeted treatment.