Ingredient glossary

Snail Secretion Filtrate

What Snail Secretion Filtrate does for your skin, who it suits, and what to watch for.

INCI: Snail Secretion Filtrate · Also: SCA, Snail Mucin

Solid and proven

In short: Snail Secretion Filtrate delivers hydration and barrier support, suits most skin types, and the evidence behind it is moderate.

What it does
Hydration, barrier support
Best for
Most skin types
Evidence
Moderate
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The Glow take

Genuinely worth a spot in your routine.

When your goal is softening fine lines and keeping skin firm, Snail Secretion Filtrate pulls genuine weight, with a solid amount of evidence behind it. Gentle enough that most skin types can reach for it.

— Maya

What it does

  • hydration
  • barrier support
  • repair
  • anti aging

moderate evidenceRandomized vehicle controlled studies using eight to forty percent snail secretion filtrate report reduced transepidermal water loss improved elasticity and periocular wrinkle depth with few adverse events.

On a label: usually effective at 8-40%.

Who it's for, and who should skip it

Tends to suit

  • dry
  • normal
  • combo
  • photoaged
  • compromised barrier

Approach with care

  • mollusk allergy
  • very sensitive
  • Clogs poresLow
  • Irritation riskLow

How it fits each skin type

  • DrySuits
  • CombinationSuits
  • OilySuits
  • SensitiveTake care

Often chosen for photoaged, compromised barrier. Take extra care if any of these apply to you: mollusk allergy.

Where it fits in your routine

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

Plays well with

  • humectants
  • ceramides
  • antioxidants

Snail Secretion Filtrate, answered

Is Snail Secretion Filtrate safe during pregnancy?

Yes. Snail Secretion 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 Snail Secretion Filtrate?

Approach Snail Secretion Filtrate with care if any of these apply to you: mollusk allergy and very sensitive.

What concentration of Snail Secretion Filtrate actually works?

Snail Secretion Filtrate tends to do its job in the 8 to 40% 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.