Hirudin
Skin Serum

HIRUDIN TOPICAL SERUM · 30ML

Daily Ritual · 30ml

$100

The essential introduction to hirudin skincare. Clinically tested at 2% active concentration — independently verified non-irritant, stable, and safe for all skin types including sensitive.

✓ 240 subjects tested — including 109 with sensitive skin. Zero adverse events recorded.

✓ 98.6% tissue viability in OECD 439 Skin Irritation Test. Classified GHS Non-Irritant.

✓ 12-week accelerated stability confirmed. pH stable at 5.62. Full preservative efficacy.

Free shipping on orders over $150. International shipping available.

This product is a cosmetic serum not intended to diagnose, treat, cure, or prevent any disease.

Active Ingredient

The Hirudin & Co. Skin Serum harnesses hirudin — nature's most potent direct thrombin inhibitor — at 2% active concentration. Unlike most products that rely on unverified claims, ours has undergone three independent studies.

Property	Detail
pH	5.62
Texture	Lightweight liquid serum — low thickness, medium oiliness
Colour	Dark green, translucent
Scent	Mild, mildly citric natural aroma
Volume	30ml / 1.01 fl oz
Storage	Room temperature. Protect from direct sunlight.
Shelf Life	12-week stability confirmed under accelerated testing

Three Independent Studies. Zero Adverse Events.

Patch Test ECRLNJ2025-0577	240 subjects · Zero adverse events · Zero sensitization
OECD 439 LNH-S-095-003	98.6% tissue viability · GHS Non-Irritant classification
Stability ECRLTX2025-0251	All parameters stable · Full preservative efficacy
Principal Investigator	Winston Moy, MD — American Board of Dermatology
Institutions	Eurofins CRL

view full study reports →

Skin Concerns Addressed

Visible puffiness and under-eye bags
Dark circles with a vascular or bluish appearance
Post-procedure bruising from injectables or laser
Persistent surface redness and inflammation
Dull, congested complexion

How to Use

Apply 2–3 drops to clean, dry skin on affected areas.
Gently massage in small circular motions until absorbed.
Use morning and/or evening as part of your skincare routine.
Follow with moisturiser if desired.

Cautions

For external use only.
Do not use if pregnant, breastfeeding, or taking anticoagulant medication without medical advice.
Avoid contact with eyes. Rinse thoroughly if contact occurs.
Discontinue use if irritation develops.
Keep out of reach of children.

Hirudin Skin Serum

$100

Skin Concerns Addressed

Hirudin
Skin Serum