Talc
molecular structure · PubChem
AKA: STERITALC, Huashifen, Pulvis talci, Talc powder, INS NO.553(III), INS-553(III), E-553(III), Potstone, Sterile Talc
Synthetic
Barrier Support
Not Clean
Talc (Mg3H2(SiO3)4) (CI 77718)
Solubility less than 1 mg/mL at 70 °F (NTP, 1992)
Formula
H2Mg3O12Si4
Mol. Weight
379.27
CAS #
14807-96-6
Form
Powder
State
Talc is an odorless white to grayish-white very fine crystalline powder (unctuous). Readily adheres to the skin. Nonflammable, noncombustible, and nontoxic.
Functions
Abrasive
Absorbent
Anticaking
Bulking
Opacifying
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
Talc has been used in cosmetics since antiquity, particularly by Romans and Egyptians as a powder for skin dryness and moisture absorption. It became a standard ingredient in face powders, body powders, and makeup products from the 18th century onward.
EWG
8
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
🧂Conflict of interest.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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.
Verified Jun 2026 · 🧪 = conflict
Data: PubChem · CosIng · EWG · CIR