Ingredient glossary

Galactomyces Ferment Filtrate

What Galactomyces Ferment Filtrate does for your skin, who it suits, and what to watch for.

INCI: Galactomyces Ferment Filtrate · Also: Galactomyces Ferment, Pitera

Decent support

In short: Galactomyces Ferment Filtrate delivers sebum regulation and brightening, suits combination and oily skin best, and the evidence behind it is moderate.

What it does
Sebum regulation, brightening
Best for
Combination, Oily skin
Evidence
Moderate
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The Glow take

Nice to have, and nothing to overthink.

Galactomyces Ferment Filtrate plays a quiet supporting role, rounding out a formula rather than being the reason you buy it.

— Maya

What it does

  • sebum regulation
  • brightening
  • texture

moderate evidenceAn essence containing ninety seven percent galactomyces ferment filtrate reduced sebum pore counts keratin and acne and slightly increased skin brightness in a twenty-volunteer study.

On a label: usually effective at 50-97%.

Who it's for, and who should skip it

Tends to suit

  • oily
  • combo
  • acne prone
  • pigmentation

Approach with care

  • very sensitive
  • Clogs poresLow
  • Irritation riskLow

How it fits each skin type

  • DryNeutral
  • CombinationSuits
  • OilySuits
  • SensitiveTake care

Often chosen for acne prone, pigmentation.

Where it fits in your routine

WhenMorning or evening
Where in the orderAfter cleansing, before your moisturizer

Plays well with

Galactomyces Ferment Filtrate, answered

Is Galactomyces Ferment Filtrate safe during pregnancy?

Yes. Galactomyces Ferment Filtrate is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.

Who should avoid Galactomyces Ferment Filtrate?

Approach Galactomyces Ferment Filtrate with care if any of these apply to you: very sensitive.

What concentration of Galactomyces Ferment Filtrate actually works?

Galactomyces Ferment Filtrate tends to do its job in the 50 to 97% range. Much lower and it is likely underdosed.

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Sources & how we reviewed this

Last reviewed July 2026. Educational information about a cosmetic ingredient, not medical advice.