Brand from Japan: TUNEMAKERS. A medicated undiluted brightening serum that mixes the undiluted solution to prevent blemishes and care (intensive care) for dry and dull skin.The active ingredient tranexamic acid that prevents spots and 4 types of undiluted solutions necessary for dry dullness care are formulated in a unique ratio.How to use:After applying lotion, gently apply to the entire face.For intensive care, apply multiple layers to areas where spots and dry dullness are a concern.