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Tuesday, October 13, 2026Index last updated Oct 9
The Index  ·  Mineral texture / absorbent

Silica

Silica

Silicon dioxide powder used for soft focus, oil control, and viscosity.

FunctionalFunctional ingredient, not graded for skin benefits
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Written byTheSkindex Desk
Reviewed byNot yet reviewed
Last updated5 Oct 2026
Sources2 cited

Silicon dioxide powder used for soft focus, oil control, and viscosity.

What it does

Mattifies balms and SPFs; particle grade matters for feel (not nano TiO2 claims).

The evidence

Functional ingredient (not graded for skin benefits): CIR silica/silicates; inert filler/texture agent. Credible chemical identity and cosmetic-use context come from CIR/SCCS/manufacturer INCI definitions and databases such as SpecialChem/PubChem[1].

How to use it

Expect this as a supporting INCI line item unless labeled as a featured active.

What it does in the formula

Functional ingredient — not graded for skin benefits
Silicon dioxide powder used for soft focus, oil control, and viscosity.[1]

Safety & limits

Source and region, always
all — Used in cosmetics within conventional leave-on/rinse-off levels; see cited safety literature.[1] CA US EU UK

Sources · 2

Numbered as cited in the text
  1. [1]Cosmetic Ingredient Review. Silica and Silicates. CIR (2019)regulator
  2. [2]SpecialChem. SpecialChem INCI profile: Silica. SpecialChem (2024)other

Revision history

18 Sept 2026Drafted by botTheSkindex Desk