Considering the current situation in Japan, let me first specify that all Sucre Glace items are produced in the same region located in Western Japan.
Japanese Ceramics are among the oldest in the world. Stoneware (vs. delicate China ware) are most popular since ever .
Zen masters set the first rules for pottery developpment as they needed precise items for tea ceremony.
Aside this restrictive function, aesthetic guidelines seem to be consistent in ceramics arts and aim at expressing the beauty of each object trough its simplicity and uniqueness.
Despite the fact that Japan is one the most technologically advanced country, the production process often requires a final handcraft touch to ensure each item be unique.
Beyond the care of Japanese manufacturers for details, regulations are really strict towards ceramics production.
Therefore, you will find no trace of Cadmium, Chrom or Lead in Sucre Glace items.
They are all microwave safe and only an intensive use can let crackles appear on the glazing.