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Skin Conditioning

STREPTOMYCES TSUKUBAENSIS EXTRACT

Updated
45

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A bacterial fermentation extract from the organism that produces the immunosuppressant drug tacrolimus. Cosmetic safety is unclear given the parent strain's pharmacology; treated with caution.

Function

SKIN CONDITIONING - EMOLLIENTHUMECTANTSKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Marketed as skin conditioning
  • Source of fermentation metabolites

Known concerns

  • Source organism produces tacrolimus, a potent immunosuppressant
  • Composition not transparent in cosmetic form
  • No CIR or SCCS review for cosmetic use
  • Risk of pharmacologically active residues

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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ASIVATREP
Skin Conditioning

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.