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ALNUS JAPONICA EXTRACT.

Valuable / SKIN CONDITIONING

Alnus Japonica Extract is a multi-functional botanical ingredient known for its soothing, antioxidant, and anti-inflammatory properties. It helps improve various skin conditions while promoting a balanced complexion.

skin conditioning antioxidant soothing anti-inflammatory

Science

Rich in diarylheptanoids, it inhibits NF-κB and STAT1 pathways, reducing pro-inflammatory cytokines (TNF-α, IL-6) and nitric oxide. It boosts antioxidant enzymes, inhibits tyrosinase for anti-melanogenic effects, and balances skin flora to prevent blackheads.


Research

Medium confidence
Effective range 0.1–0.5%
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Both
Optimal pH 4.5 – 7.5
0 7 14

Stability

Active diarylheptanoids are stable in hot water extractions and 50-80% ethanol mixtures, suitable for water-based lotions or stabilized emulsions.

Conflicts

  • Strong oxidizing agents
  • High heat (>100°C) for prolonged periods during formulation

Safety

CIR Status
Not reviewed
Sensitization risk Low

While CIR has not reviewed it, related Betulaceae family extracts are generally considered safe. In-vitro and in-vivo studies indicate very low toxicity and good human compatibility.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

This versatile botanical extract is valuable for its significant anti-inflammatory, antioxidant, and skin-balancing benefits, suitable for a wide range of skin types.


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