Common locations
Japanese skincare, sunscreen, and makeup often print codes on crimp, base, label edge, or box flap.
Date text vs lot code
製造年月日 or 使用期限 may be printed separately; do not combine them with a batch-like string.
Best brands to start
Open the dedicated pages for Kose, Allie, Anessa, Shiseido, Canmake, Orbis, or Rohto when the brand is known.
