Black Bottle (Arbutin + Licorice): A "Strong Whitening Lotion" designed to fade dark spots, scars, and hyperpigmentation. It typically includes SPF 50 for sun protection.
Yellow Bottle (Intensive Half Cast): An "Active Whitening Milk" or lotion that focuses on deep skin brightening and targeting stubborn dark areas like knuckles, elbows, and knees. Some versions specify a "14-day" active whitening formula.
White Bottle (Anti-Stretch Mark): A specialized treatment formulated to reduce the visibility of existing stretch marks and prevent new ones from forming. Common ingredients in this variant include Vitamin A, Vitamin E, and various nourishing oils.