Ingredient review

Barium Sulfate

INCI: CI 77120

A safe, non-irritating mineral pigment that adds opacity and texture to color cosmetics, but offers no skincare benefits.

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In plain English

CI 77120 is a white mineral powder made from barium sulfate. It's used in makeup like foundations and eyeshadows to make them more opaque or give a smooth, matte finish. It doesn't treat skin or add moisture—it's purely a cosmetic ingredient for appearance and texture.

Quick decision guide

Useful, but context matters

Barium Sulfate is generally a lower-concern ingredient when the full formula suits your skin.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Barium Sulfate.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

CI 77120 is the INCI name for barium sulfate, a naturally occurring mineral that is ground into a fine white powder. In cosmetics, it's used as a pigment and filler to improve coverage and texture.

How it works

As a pigment, it scatters light to create a white or opaque effect in makeup. Its fine particle size also helps products feel smooth and spread evenly on the skin.

Pros

Excellent opacity

Provides strong coverage in foundations and powders, helping to even out skin tone without needing a thick layer.

Low irritation risk

Generally well-tolerated by most skin types, including sensitive skin, with very low rates of allergic reactions.

Cons and cautions

No skincare benefits

Unlike some mineral pigments (e.g., zinc oxide), CI 77120 does not offer sun protection, hydration, or antioxidant properties.

Can be drying in high amounts

In high concentrations, it may contribute to a matte finish that feels drying on already dry or dehydrated skin.

Best for

  • Anyone using color cosmetics who wants good coverage
  • People with oily skin who prefer matte finishes

Use caution if

  • Those seeking skincare benefits from their makeup
  • Individuals with very dry skin who may prefer more hydrating formulas

Usage tips

Look for CI 77120 in pressed powders and foundations for a smooth, matte finish.
If you have dry skin, pair products containing this ingredient with a hydrating primer or moisturizer.

Safety summary

CI 77120 is considered safe for use in cosmetics at typical concentrations. It is non-irritating, non-sensitizing, and not absorbed through intact skin. Inhalation of loose powder should be avoided, as with any fine particulate.

Research notes

The Cosmetic Ingredient Review (CIR) panel has reviewed barium sulfate and concluded it is safe as used in cosmetics. No significant human or animal toxicity has been reported from topical application.

Common label clues

Typical concentration
Typically 1–10% in color cosmetics, up to 25% in some powders
Regulatory status
Approved as a color additive in cosmetics in the US (FDA) and EU, with no concentration restrictions for external use.
Common uses
Foundations, Pressed powders, Eyeshadows, Lipsticks
Environmental note
Barium sulfate is a naturally occurring mineral, but mining can have environmental impacts. It is not known to be bioaccumulative or toxic to aquatic life at cosmetic-use levels.

Good to know

  • CI 77120 is approved for use in cosmetics by the FDA and the EU Cosmetics Regulation.
  • It is sometimes listed as 'Blanc Fixe' on ingredient labels.

Common questions

What is Barium Sulfate in beauty products?

CI 77120 is a white mineral powder made from barium sulfate. It's used in makeup like foundations and eyeshadows to make them more opaque or give a smooth, matte finish. It doesn't treat skin or add moisture—it's purely a cosmetic ingredient for appearance and texture.

What does Barium Sulfate do in a beauty product?

As a pigment, it scatters light to create a white or opaque effect in makeup. Its fine particle size also helps products feel smooth and spread evenly on the skin.

Is Barium Sulfate safe for most people?

CI 77120 is considered safe for use in cosmetics at typical concentrations. It is non-irritating, non-sensitizing, and not absorbed through intact skin. Inhalation of loose powder should be avoided, as with any fine particulate.

Who should be careful with Barium Sulfate?

Those seeking skincare benefits from their makeup Individuals with very dry skin who may prefer more hydrating formulas

Research sources

Cosmetic Ingredient Review (CIR) – Barium Sulfate SafetyOpenFDA Color Additive Status ListOpenPubChem – Barium SulfateOpen

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.