Tin Oxide
Approved
Colorant; Opacifying Agent; Pearlescent Agent
Also Known As
Stannic Oxide; Tin(IV) Oxide; CI 77861; SnO2
CAS Number
18282-10-5
What It Does
Used primarily with effect pigments to create shimmer, opacity, and pearlescent or reflective effects in cosmetics.
Why Oh Daisey Rates It This Way
Tin oxide has low expected dermal absorption and is generally considered low concern in cosmetic pigment applications. Safety depends on cosmetic-grade purity and control of heavy-metal impurities.
Evidence Level
Moderate