Ingredient glossary

Ectoin

INCI: Ectoin · Also: Ectoine

Solid and proven

A genuinely useful ingredient with real evidence behind it, not hype.

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What it does

  • hydration
  • barrier support
  • anti inflammatory
  • photoprotection

strong evidenceClinical and randomized trials with two to seven percent ectoin formulations show improved SCORAD scores hydration elasticity and reduced UVA induced damage versus vehicle.

On a label: usually effective at 2-7%.

Who it's for, and who should skip it

Tends to suit

  • dry
  • dehydrated
  • normal
  • combo
  • sensitive
  • atopic

Approach with care

No specific group flagged to avoid it.

  • Clogs poresLow
  • Irritation riskLow

Plays well with

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Educational information about a cosmetic ingredient, not medical advice.