Arbutin is a gentle yet highly effective brightening ingredient widely used in Korean skincare to target dark spots, hyperpigmentation, and uneven skin tone. Derived from bearberry, pear, or blueberry plants, it works by safely inhibiting melanin production to reduce discoloration without irritating the skin. Unlike harsher lightening agents, arbutin delivers gradual, natural-looking radiance while supporting overall skin clarity and brightness - making it a favourite for achieving a smooth, luminous, and even complexion.