TUNEMAKERS α-Arbutin Serum Retail Price: ¥1760 Condition: Almost new/unused, only tested once. Highly rated on @cosme and social media. Available for immediate purchase. This whitening essence can be mixed with your existing lotion or serum for a customized brightening skincare routine. Its non-irritating and simple formula is less likely to cause inflammation or rashes, which can lead to pigmentation. It's also designed to effectively address concerns like uneven skin tone, common in sensitive skin.