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πŸ§ͺ Silica

Silicon Dioxide | INCI: Silica | CAS: 7631-86-9

INCI Information

INCI Name
Silica
Common Name
Silicon Dioxide
CAS Number
7631-86-9
Category
Texture / Absorbent
Molecular Formula
SiOβ‚‚
Molecular Weight
60.08 g/mol
Appearance
White, fluffy powder (fumed or precipitated)
Solubility
Insoluble in water and oils
Typical Concentration
0.5% – 5%
pH Range
Neutral
Functions:
Texture enhancerAbsorbentMatte finish
Available Purity Grades:
  • 99% (Precipitated)
  • 99.5% (Fumed)
  • 99.8% (High purity)

πŸ’° Indicative Price Range (Bulk)

Typical B2B pricing across verified suppliers
$2 – $10 $/kg
Prices vary by purity, MOQ, and order volume. Always request formal quotes.

πŸ“– About Silica

Silica (SiOβ‚‚) is the go-to ingredient for matte, soft-focus effects in cosmetics. It absorbs excess oil, blurs imperfections, and creates a smooth, powdery skin feel.

πŸ›’ Purchasing Guide & Tips

❓ Frequently Asked Questions

❓ Is Silica safe in cosmetics?

Yes, amorphous silica (non-crystalline) is safe. Avoid crystalline forms which can be harmful if inhaled.

❓ What's the difference between Silica and Silica Dimethyl Silylate?

Silica Dimethyl Silylate is surface-treated for better compatibility with oils and silicones.

❓ Can it replace Talc?

In many applications, yes β€” silica provides similar mattifying effects without the controversy surrounding talc.

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