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Moumoujus

QUERCUS ROBUR BUD EXTRACT.

Questionable CAS 71011-28-4 / ANTIOXIDANT, SKIN CONDITIONING

Quercus Robur Bud Extract, derived from oak buds, is a natural botanical ingredient rich in tannins, flavonoids, and phenolic compounds. It is recognized for its antioxidant and skin conditioning properties, aiming to support skin firmness, reduce irritation, and refine pore appearance.

Summary

antioxidant skin conditioning astringent anti-inflammatory firming oil control soothing barrier strengthening microcirculation improvement

Science

Mechanism of Action

This botanical extract operates primarily through its wealth of tannins, flavonoids, and other phenolic compounds. These act as potent antioxidants, mitigating environmental damage. They are also implicated in enhancing skin elasticity, providing a firming effect, and diminishing inflammation. Furthermore, some components exhibit astringent qualities, which can visibly tighten the skin, minimize pore size, and regulate sebaceous activity to help prevent breakouts. It may also contribute to a soothing sensation, fortify the skin's protective barrier, and optimize microcirculation. However, a critical consideration is the potential for tannins to denature surface proteins, which could adversely affect skin barrier integrity.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The active phenolic and flavonoid compounds within Quercus Robur are primarily water-soluble or soluble in hydroethanolic solutions, with water being particularly effective for flavonoid extraction.

Conflicts

  • Other ingredients that may elevate irritation risk
  • Compromised skin barrier or significant skin surface damage, due to the potential for tannins to denature proteins and potentially worsen barrier integrity.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

While general oak extracts are often considered safe for cosmetic application, specific comprehensive safety assessments for Quercus Robur Bud Extract by CIR, SCCS, or FDA are currently unavailable. Individual sensitivities or allergic reactions may occur, underscoring the importance of a patch test prior to widespread use. It is explicitly contraindicated for application on skin with significant surface damage, weeping eczema, or extensive lesions. Data concerning its topical safety during pregnancy is insufficient.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Questionable

While offering potential antioxidant and conditioning benefits, the absence of robust safety and clinical efficacy data, coupled with a notable risk of compromising the skin barrier due to tannins, renders this ingredient questionable for precision skincare formulations.

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