Tin Oxide

Tin Oxide 1
Tin Oxide 2
Tin Oxide 3
AKA: Tin oxide (SnO2), CI 77861, C.I. 77861, Stannoxyl, Putty powder, Polishing powder, Tin ash, Nanotek tin oxide
Synthetic
Not Clean
Tin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydrochloric acid. Occurs in nature as the mineral cassiterite. Used as a catalyst, in putty, as a polishing powder for steel and glass, in ceramic glazes and colors. "Flowers of tin" refers to the material collected as the result of condensation after sublimation.
Solubility Insoluble (NIOSH, 2024)
Formula
O2Sn
Mol. Weight
150.71
CAS #
18282-10-5
Form
Powder
State
Tin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydrochlori
Functions
Abrasive
Bulking
Opacifying
Viscosity Controlling
Physical Exfoliant
Adds Body & Volume
Adds Opacity
Controls Viscosity
Reduces Inflammation
Gently polishes surface
Adds volume
Creates creamy opacity
Controls product thickness
Traditional Use
Used historically in Chinese cosmetics as a whitening and opacifying agent. In modern cosmetics, it is employed primarily in color cosmetics for opacity and shimmer effects.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
ewg-4
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Mixed Media Liquid Eyeshadow
Gen See
 →
Mixed Media Must Haves
Gen See
 →
Straight Flush Glow Stick
Gen See
 →
Liquid Powder Eye Tint
ILIA Beauty
 →
Overglaze Hydrating Lip Gloss
ILIA Beauty
 →
Soft Focus Blurring Blush
ILIA Beauty
 →
The Ethereal Baked Face Palette
ILIA Beauty
 →
The Necessary Eyeshadow Palette
ILIA Beauty
 →
Air Brow
Kosas
 →
Blush is Life
Kosas
 →
Shiny Objects
Kosas
 →
Aim High Highlighter Stick
LYS Beauty
 →
Higher Standard Cream Glow Blush Stick
LYS Beauty
 →
Hyaluronic Highlight Balm
MOB Beauty
 →
Hyaluronic Highlight Balm Last Call
MOB Beauty
 →
Cashmere Matte Eyelights
RMS Beauty
 →
Eyelights Cream Eyeshadow
RMS Beauty
 →
ReDimension Hydra Bronzer
RMS Beauty
 →
ReDimension Hydra Dew Luminizer
RMS Beauty
 →
ReDimension Hydra Powder Blush
RMS Beauty
 →
Royal Tulip Petal Polish
Bloom Effects
 →
Complexion Boost
Saie
 →
Glow Sculpt™
Saie
 →
Sun Melt
Saie
 →
Toasty Fall Bundle
Saie
 →
Line-Filling Eye Balm
Alpyn Beauty
 →
Glow I.V.
Kosas
 →
Skin Activator Packette
Westman Atelier
 →
Skin Activator Serum
Westman Atelier
 →
Tulipscreen™ Hydrating Lip Oil
Bloom Effects
 →
The Impossible Glow™ Glow Drops
Pai Skincare
 →
The Impossible Glow™ Glow Drops Mini
Pai Skincare
 →
GoGo Cooling Shimmer Eyeshadow
Tower 28 Beauty
 →
ShineOn Lip Oil Jelly
Tower 28 Beauty
 →
ShineOn Milky Lip Oil Jelly
Tower 28 Beauty
 →
Baby Cheeks Blush Stick - Bichette
Westman Atelier
 →
Baby Cheeks Blush Stick - Coquette
Westman Atelier
 →
Face Trace Contour Stick - Ganache
Westman Atelier
 →
Face Trace Contour Stick - Truffle
Westman Atelier
 →
Liquid Super Loaded Tinted Highlight - Peau de Pêche
Westman Atelier
 →
Liquid Super Loaded Tinted Highlight - Peau de Petal
Westman Atelier
 →
Liquid Super Loaded Tinted Highlight - Peau de Rosé
Westman Atelier
 →
Liquid Super Loaded Tinted Highlight
Westman Atelier
 →
Lit Up Highlight Stick - Biscuit
Westman Atelier
 →
Lit Up Highlight Stick - Brûlée
Westman Atelier
 →
Lit Up Highlight Stick - Garçonne
Westman Atelier
 →
Lit Up Highlight Stick - Lit
Westman Atelier
 →
Lit Up Highlight Stick - Nectar
Westman Atelier
 →
Lit Up Highlight Stick
Westman Atelier
 →
Lit Up Highlight Stick - Petal
Westman Atelier
 →
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR