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ROBINIA PSEUDOACACIA FLOWER/LEAF/STEM EXTRACT.

Valuable CAS 89957-93-7 / SKIN CONDITIONING

Robinia Pseudoacacia Flower/Leaf/Stem Extract is a versatile botanical ingredient prized for its comprehensive skin benefits. It functions as a potent skin conditioner, antioxidant, and soothing agent, helping to maintain skin health and vitality across various skin types.

Summary

Skin conditioning Antioxidant Soothing Anti-inflammatory Toning Antimicrobial Antibacterial Antifungal

Science

Mechanism of Action

This extract operates through multiple pathways to enhance skin health. It acts as a conditioning agent, promoting softer, smoother, and more hydrated skin. Its robust antioxidant activity neutralizes free radicals, thereby protecting against environmental damage and premature aging. Furthermore, it exhibits soothing and anti-inflammatory properties, notably by inhibiting IL-1β signaling to calm irritated or sensitive complexions. Certain fractions also offer toning benefits for improved skin firmness and possess notable antimicrobial, antibacterial, and antifungal activities.

Research

Clinical Evidence

Medium confidence
Effective range 0.016–30%
Optimal

N/A

Key findings

  1. 01 Robinia pseudoacacia leaf extract inhibited IL-1β–mediated angiogenesis in ex vivo and in vitro assays, blocking IL-1β signaling and suppressing the expression of pro-angiogenic factors (e.g., VEGFA, FGF2). This effect was dose-dependent.
  2. 02 Robinia pseudoacacia flower methanol extract demonstrated anti-quorum sensing activity against Chromobacterium violaceum.
  3. 03 Robinia pseudoacacia flower methanol and ethanol extracts exhibited antibiofilm activity.
  4. 04 A specific fraction (F9) of leaf extract showed 50.6% antioxidant activity, while heartwood and bark fractions (F7) achieved over 92% antioxidant activity.
  5. 05 False acacia extract inhibited the growth of most microorganisms tested, indicating significant antibacterial activity.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This extract is typically obtained using polar solvents such as water, ethanol, or methanol, indicating good solubility in these mediums. Water-soluble extracts have shown enhanced antifungal efficacy. While no specific optimal pH range for stability in cosmetic formulations is explicitly provided for the extract itself, acacia flower syrups have been noted to have pH values around 3.19-3.23 when citric acid is included.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Generally recognized as safe and non-irritating for topical skincare use, with adverse reactions being uncommon. Patch testing is always recommended prior to broad application. Specific data on topical use during pregnancy or breastfeeding is not available, thus professional medical advice is suggested for these individuals. EWG assessment indicates low concern for cancer, allergies, immunotoxicity, and developmental/reproductive toxicity.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Robinia Pseudoacacia Flower/Leaf/Stem Extract is a valuable botanical ingredient offering diverse benefits, including potent antioxidant and soothing properties, good skin compatibility across all types, and a low comedogenicity rating.

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