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Moumoujus

GINSENOSIDE RH4.

Insufficient Data CAS 174721-08-5 / ANTI-SEBORRHEIC, ANTIOXIDANT, SKIN CONDITIONING, SKIN PROTECTING

Ginsenoside Rh4 is a rare saponin demonstrating potential cellular modulatory effects. Its aglycone form has shown promise in inhibiting melanin synthesis in vitro, suggesting a role in skin brightening formulations, while it also contributes to the broader anti-aging properties associated with ginsenosides.

Summary

Anti-aging Skin Brightening Antioxidant Melanin Inhibitor

Science

Mechanism of Action

The aglycone of Ginsenoside Rh4 exhibits an anti-melanogenic effect by actively down-regulating microphthalmia-associated transcription factor (MITF) and tyrosinase, primarily through the protein kinase A (PKA) pathway. More broadly, ginsenosides are recognized for their comprehensive anti-aging benefits, which encompass enhancing immune function, inhibiting melanin formation, offering antioxidant protection, and promoting increased collagen and hyaluronic acid levels in the skin.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In vitro studies indicate that the aglycone of Ginsenoside Rh4 can inhibit FSK-stimulated melanin synthesis in B16 melanoma cells by disrupting the PKA/CREB pathway, suggesting potential anti-melanogenic activity.
  2. 02 While primarily studied in cancer contexts, Ginsenoside Rh4 has been shown to reduce viability in Caco-2 and HCT-116 cancer cells at 120-180 μM, importantly demonstrating no obvious toxic effects on normal human colon epithelial cells (CCD-18Co) at these concentrations.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

To ensure optimal stability and prevent inactivation from repeated freeze-thaw cycles, stock solutions of Ginsenoside Rh4 should be aliquoted and stored in sealed containers away from moisture and light, ideally at -80°C for up to 6 months or -20°C for 1 month. Should precipitation or phase separation occur during preparation, gentle heating and/or sonication can be employed to aid dissolution.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Specific safety assessments for Ginsenoside Rh4 by regulatory bodies such as CIR, SCCS, or FDA are not explicitly available. While 'Panax spp. Root-Derived Ingredients' have been reviewed by CIR without evidence of toxicity at 15 mg/kg, this does not directly apply to Ginsenoside Rh4. However, it has been noted to have a low or non-haemolytic effect.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Ginsenoside Rh4 demonstrates promising in vitro anti-melanogenic and broader ginsenoside anti-aging benefits; however, more specific topical efficacy and safety research is required for a conclusive assessment in skincare applications.

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