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240
SUBJECTS
TESTED
98.6%
NON- IRRITANT VIABILITY
12M
STABILITY CONFIRMED
0
ADVERSE EVENTS
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A rare bioactive. Centuries in the making.
At the center of every Hirudin & Co. formulation is a single, rare ingredient — a precision-formulated bioactive that has spent decades as the focus of independent research, prized for its unusual properties long before it found its way into a formulary. We did not invent it. We studied it, sourced it to exacting standards, and built an entire collection in service of it.
Precision Formulated
Three sizes. One purpose — visibly calmer, clearer, more radiant skin. Every batch independently tested for purity, stability, and safety.
OUR COLLECTION
THE EVIDENCE
Not a Claim.
A Proven Result.
Repeated Insult Patch Test
Eurofins | CRL, Inc. · 240 Subjects - ICH GCP
0 Events
Skin Irritation Test - OECD 439
98.6%
LifeNet Health LifeSciences MatTek EpiDerm
12-Month Accelerated Cosmetic Stability Study
Stable
Eurofins | CRL, Inc. · Accelerated Aging
"
Under the conditions of this study, Hirudin Topical Serum did not demonstrate a potential for eliciting dermal irritation or inducing sensitization.
WINSTON MOY, MD · DIPLOMATE, AMERICAN BOARD OF DERMATOLOGY EUROFINS | CRL, INC. · STUDY ECRLNJ2025-0577
"Mean tissue viability of 98.6% — classified as No Category, Non-Irritant to Skin under the GHS standard."
— LifeNet Health LifeSciences, OECD 439 Study LNH-S-095-003
INDEPENDENTLY TESTED BY EUROFINS CRL · PISCATAWAY, NJ
LIFENET HEALTH LIFESCIENCES · KALAMAZOO, MI
THREE CLINICAL REPORTS AVAILABLE FOR DOWNLOAD