Skip to content

Skin Conditioning

POLYGONUM TINCTORIUM LEAF/STEM EXTRACT

76

Safety score · 0–100

Fine

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

Japanese indigo (Polygonum tinctorium) leaf and stem extract — a traditional dye plant whose tryptanthrin and indigo compounds bring anti-inflammatory and antibacterial benefits.

Function

SKIN CONDITIONING

Skin benefits

  • Tryptanthrin and indigo derivatives — anti-inflammatory
  • Antibacterial activity
  • Traditional anti-acne use
  • Plant-derived blue pigment source

Known concerns

  • May leave faint blue tint at high %
  • Limited modern cosmetic toxicology

References

EU

EU CosIng database

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

Related skin conditionings

76
(BIFIDOBACTERIUM LYSATE & POLOXAMER 407) EXTRACT
Skin Conditioning
 76
ACER PSEUDOPLATANUS EXTRACT
Skin Conditioning
 76
ACETYL D-GLUTAMYL D-LEUCYL D-CYSTEINE
Skin Conditioning
 76
AESCULUS HIPPOCASTANUM BUD EXTRACT
Skin Conditioning
 76
AESCULUS HIPPOCASTANUM FLOWER EXTRACT
Skin Conditioning
 76
AESCULUS HIPPOCASTANUM SEED EXTRACT
Skin Conditioning
 76
ALGAE EXTRACT
Skin Conditioning
 76
ALLIUM FISTULOSUM STALK/BRASSICA RAPA LEAF/STEM/CAPSICUM ANNUUM FRUIT EXTRACT
Skin Conditioning

Same plant / compound family

72
POLYGONUM TINCTORIUM FLOWER EXTRACT
Antioxidant
 65
POLYGONUM TINCTORIUM LEAF EXTRACT
Skin Conditioning

Check your shelf

Find POLYGONUM TINCTORIUM LEAF/STEM EXTRACT in your products.

Scan any cosmetic product with LuxSense to see if it contains POLYGONUM TINCTORIUM LEAF/STEM EXTRACT and get a full ingredient breakdown with safety scores.

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