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Moumoujus

MULBERROSIDE A.

Valuable CAS 102841-42-9 / SKIN CONDITIONING

Mulberroside A is a natural glycosylated stilbene recognized for its multifaceted benefits, primarily targeting hyperpigmentation. It effectively brightens skin by inhibiting melanin synthesis and offers additional antioxidant and anti-inflammatory properties.

Summary

Skin Brightening Hyperpigmentation Reduction Antioxidant Anti-inflammatory Tyrosinase Inhibitor

Science

Mechanism of Action

Mulberroside A functions as a potent skin-lightening agent by directly inhibiting tyrosinase, a critical enzyme in melanin production. It further diminishes melanin levels by suppressing the expression of other key melanogenic enzymes, including tyrosinase-related protein-1 (TRP-1) and microphthalmia-associated transcription factor (MITF). Beyond its depigmenting action, Mulberroside A exhibits antioxidant capabilities, protecting skin from oxidative stress, and possesses anti-inflammatory effects that can soothe the skin. Preliminary data also suggests it may impede the transfer of melanosomes from melanocytes to keratinocytes.

Research

Clinical Evidence

Medium confidence
Effective range 2–5%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Data not available to determine common dusting practices or specific dusting thresholds.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

The glycosylation of Mulberroside A enhances its stability, safeguarding it from oxidation and enzymatic degradation. The pure substance demonstrates excellent stability for at least 4 years when stored at -20°C. In solution, good stability has been observed within a 24-hour period during chromatographic analysis. Studies have successfully formulated Mulberroside A in phosphate-buffered saline (PBS) at pH 6.8 and pH 7.4, suggesting compatibility within a neutral pH range.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Mulberroside A has not been reviewed by major regulatory bodies such as CIR, SCCS, or FDA for safety in cosmetics. In vitro studies have indicated cytotoxic effects in human and murine vascular endothelial cells when concentrations exceeded 70.35 µM. Further in vivo safety assessments, particularly for human topical application, are warranted.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Mulberroside A is a valuable ingredient for targeting hyperpigmentation and providing antioxidant support, backed by clear mechanistic data and animal studies, though further human clinical and safety data would enhance its profile.

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