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Moumoujus

KUMMEROWIA STRIATA ROOT EXTRACT.

Valuable / HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Kummerowia Striata Root Extract is a scientifically supported botanical ingredient targeting multiple signs of skin aging and discoloration. It functions as a potent antioxidant, precisely inhibits melanin synthesis, and provides demonstrable calming, hydrating, and firming benefits for improved skin resilience.

Summary

Antioxidant Skin-Conditioning Agent Humectant Emollient Anti-melanogenic Anti-inflammatory Elasticity improving

Science

Mechanism of Action

This extract operates through several distinct pathways to enhance dermal health. It primarily acts as a robust antioxidant by efficiently scavenging free radicals, a mechanism confirmed through DPPH and ABTS assays. Its anti-melanogenic effects are achieved by inhibiting tyrosinase activity and dose-dependently downregulating the mRNA and protein expression of key pigmentation enzymes and transcription factors, specifically tyrosinase, TRP-1, TRP-2, and MITF. Additionally, the extract contributes to skin conditioning, aiming to calm irritation, provide deep hydration, and enhance skin elasticity, drawing upon traditional anti-inflammatory properties.

Research

Clinical Evidence

Medium confidence
Effective range 1–2%
Optimal

1%

Key findings

  1. 01 In vitro studies on B16F10 melanoma cells demonstrated that the ethanol extract of Kummerowia striata (EKS) exhibited dose-dependent anti-melanogenic activity by inhibiting melanin synthesis and tyrosinase activity. This was achieved through the downregulation of mRNA and protein expression levels of tyrosinase, TRP-1, TRP-2, and MITF. EKS did not exhibit cytotoxicity within the tested concentration range of 25-400 μg/mL. Furthermore, the extract showed strong antioxidant activities in DPPH and ABTS assays.
  2. 02 A commercial product incorporating Kummerowia Striata Extract alongside other botanicals was formulated at a usage level of 1-2% and marketed for its ability to improve skin elasticity, offering anti-aging, firming, and hydrating benefits.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.5%
Red flag below
0.1%

Based on reported in vitro efficacy and its inclusion at 1-2% in commercial formulations, Kummerowia Striata Root Extract is not commonly utilized at sub-efficacious concentrations. A threshold below 0.5% could be considered questionable, with concentrations below 0.1% likely serving as a 'red flag' for minimal functional impact.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The extract has demonstrated stability and activity of its components in a 0.1 M potassium phosphate buffer at pH 6.5, suggesting compatibility at this pH. Comprehensive studies on the optimal pH range for overall formulation stability are not detailed.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Formal safety assessments by major regulatory bodies such as CIR (Cosmetic Ingredient Review) or SCCS (Scientific Committee on Consumer Safety) for Kummerowia Striata Root Extract are not available in the provided data. In vitro studies at concentrations up to 400 μg/mL showed no cytotoxicity. General irritancy is indicated as low.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A valuable, multi-functional botanical extract, Kummerowia Striata Root Extract delivers robust antioxidant protection, targeted brightening, and comprehensive anti-aging benefits across all skin types, with established efficacy at 1-2% topical application.

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