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Moumoujus

MAGNOLIA KOBUS BRANCH/FLOWER/LEAF EXTRACT.

Valuable CAS 223749-80-2 / SKIN CONDITIONING

Derived from the Magnolia Kobus tree, this botanical extract offers a multi-faceted approach to skin health. It is valued for its potent antioxidant, anti-inflammatory, and antimicrobial properties, making it beneficial for various skin concerns. It also functions as a skin conditioning agent, contributing to a smoother and more balanced complexion.

Summary

skin-conditioning antioxidant anti-inflammatory antimicrobial sebum regulating skin regeneration emollient

Science

Mechanism of Action

Magnolia Kobus extract works by providing robust antioxidant defense, shielding the skin from environmental damage and free radical stress. Its anti-inflammatory action soothes irritation and reduces redness through the inhibition of inflammatory mediators such as iNOS and COX-2. Additionally, it helps regulate sebum production, minimizing oiliness and the potential for clogged pores, while also balancing the skin's microflora to inhibit harmful bacterial proliferation, which is particularly beneficial for acne-prone skin. It further supports natural skin regeneration, aiding in the reduction of fine lines and hyperpigmentation, and imparts emollient benefits to soften and smooth the skin's surface.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

N/A

Key findings

  1. 01 Recommended concentration range for effective use in cosmetic products.
  2. 02 Magnolia kobus leaf ethanol extract (MLEE) demonstrated anti-inflammatory effects in RAW 264.7 cells by significantly reducing inflammatory mediators (iNOS, COX-2) and suppressing expression of TNF-α, IL-1β, and IL-6, without inducing cytotoxicity up to 100 μg/mL.
  3. 03 Proven effective against skin bacteria implicated in the inflammatory processes of acne at a minimal inhibitory concentration (MIC) of 0.001%.
  4. 04 Exhibited preservative efficacy against yeasts (C. albicans) and moulds (A. brasiliensis) at a 0.01% [w/v] MIC, demonstrating broad-spectrum antimicrobial activity.
  5. 05 Magnolia kobus extract (MKE) was observed to reduce TRAF6 protein expression and inhibit the phosphorylation of JNK and ERK, suggesting an inhibitory effect on osteoclast differentiation. However, a concentration of 10 μg/mL also showed significant cell toxicity in separate viability tests.

Transparency

Dusting Analysis

Not commonly dusted

The provided research does not indicate that Magnolia Kobus Branch/Flower/Leaf Extract is commonly 'dusted' at sub-efficacious concentrations for marketing claims, nor does it provide data to establish a dusting threshold or red flag percentage.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Exhibits broad-spectrum antimicrobial properties that are stable and effective across a wide pH range.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
5%
Sensitization risk Low

Magnolia Kobus extract is generally regarded as safe and is widely integrated into cosmetic formulations, with adverse reactions rarely reported. Regulatory bodies, such as the European cosmetics regulatory system, affirm its safety. The recommended concentration in cosmetic products ranges from 0.5% to 5%. While a product with a higher concentration (14.56%) was noted, this was in the context of drug claims not approved by the FDA, which is distinct from its cosmetic safety profile. The Cosmetic Ingredient Review (CIR) has not yet reviewed this specific extract.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Magnolia Kobus Branch/Flower/Leaf Extract is a valuable ingredient due to its proven antioxidant, anti-inflammatory, and antimicrobial properties, making it highly beneficial for various skin types and concerns, and contributes to overall skin health and balance.

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