TIRTIR is a popular Korean beauty brand based in Seoul, South Korea, specializing in skincare and makeup products, particularly known for their “Mask Fit Red Cushion” foundation; founded by beauty influencer Lee Yoo Bin, the brand gained significant recognition through online platforms like TikTok, focusing on high-quality, diverse shade ranges and ingredients designed to achieve a “glass skin” effect; key products include the Milk Skin Toner and Ceramic Milk Ampoule, and they have recently expanded their offline presence in India through Reliance Retail’s Tira stores.