I received the 2% Alpha Arbutin Depigmentation Serum from PHD and have been using it consistently for a little over a month, applying it once a day as suggested. My focus was straightforward: a few lingering dark spots from older breakouts, uneven tone around the nose, and mild tanning that never seemed to fade completely even with regular skincare. The first thing I noticed was the texture. The serum is lightweight, almost watery, and absorbs quickly without leaving behind a