依據行政院衛生署食品藥物管理局增列為化粧品含有醫療或毒劇藥品基準成分
Ascorbyl Tetraisopalmitate成分，限量(使用濃度)3.0%，用途：抑制黑色素形成。

http://feleciaroselabs.com/is-my-expensive-vitamin-c-serum-killing-my-skin/

Tetrahexyldecyl ascorbate is a nonirritating, stable derivative of vitam C .Typical concentrations are 1-2%. Mixes well with most creams or lotions.