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MAGNOLIA SIEBOLDII ROOT EXTRACT.

Valuable CAS - / SKIN CONDITIONING

Magnolia Sieboldii Root Extract is a botanical active revered for its multifaceted skin benefits, particularly its potent antioxidant, anti-inflammatory, and skin-brightening properties. Rich in bioactive compounds like honokiol and magnolol, it actively works to diminish hyperpigmentation, soothe irritation, and combat signs of aging.

Antioxidant Anti-inflammatory Skin Brightening Anti-aging Sebum Regulation Antimicrobial Skin Conditioning Barrier Function Support Redness Reduction

Science

This extract leverages its high concentration of honokiol and magnolol to deliver comprehensive skin improvements. It functions as a robust antioxidant, neutralizing free radicals to mitigate oxidative stress and prevent premature cellular damage. Its anti-inflammatory action is profound, inhibiting NF-κB activation and reducing key inflammatory messengers like TNF-α and IL-8, thereby calming redness and irritation, making it particularly beneficial for conditions such as rosacea and acne. Beyond soothing, it offers anti-aging support by impeding collagen and elastin-degrading enzymes, promoting skin firmness and elasticity. For luminosity, it directly inhibits tyrosinase activity and melanin synthesis within melanocytes, effectively reducing hyperpigmentation and dark spots. Additionally, it helps to regulate sebum production, offers antimicrobial efficacy against bacteria like *Staphylococcus aureus* and *Propionibacterium acnes*, supports barrier repair, and enhances overall skin texture.


Research

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Demonstrates excellent effects in inhibiting tyrosinase activity and melanin synthesis of melanocytes, contributing to skin whitening, with no cytotoxicity observed in *in vitro* tests.
  2. 02 Clinically proven to have a skin whitening effect by inhibiting UV-induced pigmentation and inflammation.
  3. 03 Significantly reduced facial redness and improved skin elasticity.

Transparency

Not commonly dusted

The Formula

Solubility
Both
Optimal pH N/A
0 7 14

Stability

The primary beneficial compounds, magnolol and honokiol, are characterized by low polarity. Their bioavailability can be significantly improved through advanced formulation techniques, such as nanoemulsions, indicating a need for specific carrier systems or solvents like ethanol or water to ensure optimal stability and delivery.


Safety

CIR Status
Not reviewed
Sensitization risk Low

Generally considered safe for topical cosmetic application. While studies suggest low irritancy, individual sensitivities can occur; therefore, patch testing is recommended. While not specifically for *Magnolia sieboldii*, the related species *Magnolia officinalis* holds FDA 'Generally Recognized as Safe' (GRAS) status.


Your Skin

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

Our Assessment

Valuable

Magnolia Sieboldii Root Extract is a valuable, versatile botanical ingredient offering significant benefits in skin brightening, anti-inflammation, anti-aging, and sebum regulation across all skin types.


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