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Moumoujus

GALANGIN.

Valuable CAS 548-83-4 / SKIN PROTECTING

Galangin is a precision flavonol celebrated for its comprehensive dermatological benefits. This potent compound functions as a powerful antioxidant, adeptly neutralizing reactive oxygen species, and provides significant anti-inflammatory actions by modulating crucial cellular signaling pathways. Furthermore, it safeguards skin from photoaging and contributes to enhanced skin brightness through targeted melanin inhibition and collagen synthesis promotion.

Summary

Antioxidant Anti-inflammatory Skin Protecting Anti-photoaging Skin Brightening Tyrosinase Inhibitor Improves Collagen Synthesis Reduces Epidermal Hyperplasia

Science

Mechanism of Action

Galangin orchestrates its diverse skin benefits through intricate molecular pathways. It acts as a robust antioxidant by directly scavenging reactive oxygen species (ROS), reducing lipid and protein oxidation, and upregulating endogenous antioxidant enzymes like SOD and CAT. It fortifies skin's defense against environmental stressors, including particulate matter (PM2.5) and UVB radiation, by inhibiting the MAPK signaling cascade. As an anti-inflammatory agent, galangin actively suppresses NF-κB activation and reduces the expression of key pro-inflammatory cytokines such as IL-17, IL-23, IL-1β, IL-6, and TNF-α, while concurrently activating the protective Nrf2/HO-1 pathway. For anti-aging efficacy, it reduces intracellular ROS, 4-HNE, and matrix metalloproteinases (MMPs), thereby preventing collagen degradation and stimulating the upregulation of fibroblast growth factor 2 and type 1 pro-collagen. Additionally, galangin functions as a skin-brightening agent by inhibiting tyrosinase, the rate-limiting enzyme in melanin synthesis, thereby reducing hyperpigmentation. Its capabilities extend to mitigating conditions like atopic dermatitis by inhibiting mast cell infiltration and vitiligo by promoting melanocyte proliferation.

Research

Clinical Evidence

Medium confidence
Effective range 1–2%
Optimal

1.5%

Key findings

  1. 01 Significantly ameliorated imiquimod-induced psoriasis-like skin inflammation in BALB/c mice. This was achieved by downregulating NF-κB, activating Nrf2 signaling, restoring antioxidant markers, and reducing pro-inflammatory cytokines.
  2. 02 Demonstrated optimal ROS scavenging in HaCaT keratinocytes, offering protection against PM2.5- and UVB-induced oxidative stress and apoptosis through inhibition of MAPK signaling.
  3. 03 Inhibited UVB-induced intracellular ROS levels (up to 74.5% at 5 µg/mL) and upregulated fibroblast growth factor 2 and type 1 pro-collagen in human skin fibroblasts, indicating protective effects against photo-aging.
  4. 04 Substantially alleviated UVB-induced skin photodamage in C57BL/6J nude mice, promoting TGFβ/Smad collagen synthesis signaling, reducing epidermal hyperplasia, wrinkle formation, and skin senescence.
  5. 05 Exhibited strong tyrosinase inhibition activity, suggesting its potential as an effective skin-whitening agent by reducing UVB-induced melanogenesis.
  6. 06 Reduced atopic dermatitis-like symptoms in BALB/c mice by inhibiting mast cell infiltration and suppressing pro-inflammatory cytokine expression in ear tissue.

Transparency

Dusting Analysis

Not commonly dusted

No available data suggests that galangin is commonly 'dusted' or used at sub-efficacious percentages in cosmetic formulations to misleadingly claim benefits.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Galangin exhibits good solubility in organic solvents such as ethanol, DMSO, and dimethyl formamide (up to approximately 30 mg/mL). However, it is sparingly soluble in aqueous buffers. For optimal aqueous formulation, it typically requires initial dissolution in an organic solvent before dilution. Aqueous solutions are not stable for prolonged storage, with recommendations against storage for more than one day. Its solubility and skin absorption can be significantly enhanced through advanced carrier systems, including liposomes, micelles, nanostructured lipid carriers (NLCs), nanoparticles, and β-cyclodextrin inclusion complexes.

Safety

Safety Profile

CIR Status
Unknown
Sensitization risk Unknown

Cosmetic ingredients, excluding color additives, do not require FDA approval prior to marketing in the U.S. Current research data does not provide specific safety reviews by the Cosmetic Ingredient Review (CIR) Expert Panel or the EU Scientific Committee on Consumer Safety (SCCS), nor does it establish maximum safe concentrations for topical application.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Galangin is a highly valuable, multi-functional ingredient demonstrating strong potential for antioxidant defense, inflammation reduction, anti-aging, and skin brightening, substantiated by a broad spectrum of in vitro and animal studies.

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