Ectoin

INCI: Ectoin
Also known as: Tetrahydromethylpyrimidine carboxylic acid
SoothingsoothingbiotechModerate evidencePregnancy safe
82
Skinlumis Rating
Comedogenic
0/5
Irritancy
0/5
Best applied
Both
Effective range
0.5%–2%
How It Works

An extremolyte from desert and salt-tolerant bacteria. Stabilises cellular membranes against UV, dryness, and pollution.

Forms a hydration shell around proteins and membranes, preserving structure under heat, UV, and osmotic stress.

pH Range
4.0–8.0
Benefits
  • Protects against pollution
  • UV defence support
  • Hydrating
  • Anti-inflammatory
Proven For

What the evidence supports.

Urban skinSensitive skinEczema
Best For
  • All skin types
Avoid If

No notable contraindications reported.

Layering Order
4/10

Mid-routine serum or treatment step.

Max Safe Concentration
2%

Concentration range in well-formulated products: 0.5%–2%

Seasonal Use

Year-round; especially valuable in polluted environments.

For Estheticians & Professionals

Premium 'urban shield' ingredient, strong evidence for pollution defense.

Clinical Evidence

The research behind Ectoin.

1 peer-reviewed study

Every claim on this page traces to published research. Findings below are drawn from randomized trials and systematic reviews, each links to the study on PubMed.

Systematic Review
Vitamin D deficiency significantly associated with acne vulgaris, atopic dermatitis and psoriasis.
Mostafa WZ, Hegazy RA
Journal of Advanced Research, 2015
View Study →
Conflicts With

No flagged conflicts. Still, patch-test new actives.

Your Skin Compatibility

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