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BRASSICA OLERACEA CAPITATA LEAF EXTRACT.

Valuable CAS 89958-13-4 / SKIN CONDITIONING

A plant-derived extract from cabbage leaves that delivers powerful antioxidant protection through polyphenols, flavonoids, and anthocyanins. This multifunctional ingredient demonstrates clinically-proven anti-acne and anti-inflammatory properties while supporting skin barrier repair and UV damage prevention.

antioxidant anti-inflammatory skin conditioning soothing acne-fighting

Science

Works through multiple pathways: neutralizes free radicals via high concentrations of antioxidant compounds, reduces inflammation by suppressing nitric oxide production and downregulating pro-inflammatory cytokines TNF-alpha and IL-6, and provides DNA repair support through sulforaphane content while inhibiting tyrosinase for potential brightening effects.


Research

High confidence
Effective range 1–6%
Optimal

3%

Key findings

  1. 01 6% concentration significantly reduced inflammatory and non-inflammatory acne lesions over 30 days (International Journal of Herbal Medicine, 2023)
  2. 02 Topical application effectively inhibited epidermal hyperplasia and immune cell infiltration in contact dermatitis models (Pharmacognosy Magazine, 2018)

Transparency

Not commonly dusted
Min. effective
0.5%
Red flag below
0.5%

Given the proven efficacy at 1-6% concentrations and food-grade safety profile, concentrations below 0.5% would likely provide minimal therapeutic benefit beyond marketing claims.


The Formula

Solubility
Water
Optimal pH 4 – 7
0 7 14

Stability

Heat-sensitive enzymes and light-sensitive polyphenols require cool-down phase addition during formulation; enzyme stability optimized at pH 6.0-8.0

Synergies

  • Vitamin C
  • Niacinamide
  • Hyaluronic acid

Conflicts

  • Strong oxidizing agents
  • Extreme pH formulations below 3.0 or above 9.0

Safety

CIR Status
Safe as used
Max tested
6%
Pregnancy
Safe
Sensitization risk Low

Generally recognized as safe (GRAS) food ingredient with EWG hazard rating of 1; excellent safety profile across all skin types


Your Skin

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

Our Assessment

Valuable

A well-researched, versatile ingredient with proven anti-acne and antioxidant benefits at meaningful concentrations, suitable for all skin types with excellent safety profile.


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