Description

Technical Parameters

I. Basic Information

Item	Details
English Name	Acetyl Zingerone
Chemical Name	3-(4-Hydroxy-3-Methoxybenzyl)Pentane-2,4-Dione
CAS Number	30881-23-3
Molecular Formula	C₁₃H₁₆O₄
Molecular Weight	236.26
Appearance	Off-white to light yellow crystalline powder
Purity	≥98%
INCI Name	Acetyl Zingerone
China Filing	Completed cosmetic new ingredient filing (NMPA)

Gihichem's Acetyl Zingerone Specification:

Item	Specification
Appearance	Off-white to pale yellow color powder
¹H-NMR	Complies with the structure
Loss on Drying (45℃ under vacuum for 3h)	≤ 1.0%
Residue on Ignition	≤ 1.0%
Lead	≤ 0.5ppm
Arsenic	≤ 1.5ppm
Cadmium	≤ 0.5ppm
Mercury	≤ 3.0ppm
Purity (HPLC)	≥ 98.0%

II. Chemical Structure & Design Rationale

Acetyl Zingerone is a rationally designed synthetic molecule that integrates the structural essence of two classic natural antioxidants:

Structural Origins

Natural Precursor	Source	Retained Structural Feature
Zingerone	Ginger	4-Hydroxy-3-methoxybenzyl (guaiacol group) - provides phenolic hydroxyl for hydrogen donation to scavenge free radicals
Curcumin	Turmeric	β-Diketone (pentane-2,4-dione) side chain - provides intramolecular hydrogen bond chelation for enhanced stability

Key Design Breakthrough

The introduction of the 2,4-dione moiety into the zingerone side chain (shared with curcumin) forms an intramolecular hydrogen bond chelation, which dramatically improves chemical stability while preserving the antioxidant efficacy of both zingerone and curcumin. This enables AZ to combine the advantages of both while overcoming their respective drawbacks.

III. Detailed Core Efficacy

1. Superior Antioxidant - Multi-dimensional ROS Scavenging

Acetyl Zingerone's antioxidant mechanisms far exceed those of traditional antioxidants, covering at least four distinct antioxidant pathways:

Antioxidant Pathway	Mechanism	Significance
Free Radical Scavenging	Phenolic hydroxyl donates hydrogen (H-atom transfer), directly neutralizing free radicals	Classic antioxidant pathway, protecting cells from oxidative damage
Singlet Oxygen (¹O₂) Physical Quenching	Deactivates excited-state ¹O₂ via energy transfer; unlike chemical quenching, it does not consume itself	Key differentiating advantage! Can be used repeatedly in a catalytic cycle for long-lasting protection
Peroxynitrite (ONOO⁻) Scavenging	Directly scavenges one of the most powerful oxidants in the body	Protects proteins and DNA from nitration damage
Reduction of Intracellular ROS	Significantly decreases UVA-induced intracellular reactive oxygen species in keratinocytes	Protects skin cells from photo-oxidative damage

Core Highlight: Singlet Oxygen Physical Quenching

Most antioxidants (e.g., Vitamin C, Vitamin E) can only scavenge ROS through chemical reactions, being consumed with each reaction cycle. AZ's physical quenching mechanism returns ¹O₂ to its ground state (³O₂) via energy transfer without AZ undergoing chemical change, allowing it to be used repeatedly and achieve long-lasting antioxidant protection.

2. Photoprotection - Comprehensive UV/Blue Light Defense

Photoprotective Function	Mechanism
Anti-UVA Damage	Scavenges UVA-induced ROS and ONOO⁻, reducing oxidative stress
DNA Protection	Demonstrated to protect melanocytes from the formation of cyclobutane pyrimidine dimers (CPDs) after UVA irradiation
Blue Light Protection	Scavenges reactive oxygen species induced by high-energy visible (HEV/blue) light, mitigating disruption of skin circadian rhythms
Excellent Photostability	Remains stable under light exposure (protected by intramolecular hydrogen bond chelation), superior to photounstable natural antioxidants like curcumin

CPDs (Cyclobutane Pyrimidine Dimers) are hallmark products of UV-induced DNA damage. AZ's ability to reduce their formation in melanocytes implies preventive significance for photoaging and potentially photocarcinogenesis.

3. Anti-Pollution - Defense Against Environmental Stressors

Scavenges oxidative stress induced by ozone (O₃), PM2.5, and other environmental pollutants

Reduces pollutant-triggered inflammatory cascades

Protects skin barrier function

4. MMP Enzyme Inhibition - Anti-Collagen Degradation

MMP Type	Function	AZ's Effect
MMP-1	Degrades Type I and Type III collagen	↓ Inhibits expression
MMP-3	Degrades multiple ECM proteins, activates other MMPs	↓ Inhibits expression

By inhibiting MMP enzymes, AZ prevents collagen breakdown caused by UV radiation and oxidative stress at the source, guarding against skin laxity and wrinkle formation.

5. Anti-Inflammatory - IL-17A Pathway Inhibition

Target	Effect
IL-17A	Inhibits IL-17A target gene expression
NF-κB Pathway	Reduces release of pro-inflammatory cytokines

IL-17A is a core driver of chronic inflammatory skin diseases such as psoriasis. AZ's IL-17A inhibitory capacity makes it valuable not only for daily skincare anti-inflammatory use but also potentially for dermatological therapeutic applications.

6. Promotes ECM Synthesis - Upregulates Collagen & Matrix Proteins

Compared to zingerone, AZ shows more pronounced upregulation of the following gene expressions:

Gene/Protein	Function
Collagen	Maintains skin elasticity and firmness
Proteoglycans	Preserves skin hydration and structural integrity
ECM Glycoproteins	Extracellular matrix support network

7. Improves Facial Dullness & Sallowness

Long-lasting antioxidant defense against photo-oxidation

Ameliorates "tired face" and "dull/sallow complexion" caused by oxidation, glycation, and elevated cortisol

Enhanced efficacy when co-formulated with anti-glycation ingredients (e.g., acetyl hydroxyproline)

IV. Comparison with Traditional Antioxidants

Parameter	Acetyl Zingerone (AZ)	Vitamin C	Vitamin E	Curcumin	Zingerone
Free radical scavenging	✅	✅	✅	✅	✅
¹O₂ physical quenching	✅	❌	❌	❌	❌
ONOO⁻ scavenging	✅	❌	❌	✅	Partial
Photostability	✅ Excellent	❌ Photo-sensitive	Moderate	❌ Photo-sensitive	Moderate
MMP inhibition	✅	❌	❌	Partial	Partial
IL-17A inhibition	✅	❌	❌	Partial	Partial
Chemical consumption	Non-consumed (physical quenching)	Consumed	Consumed	Consumed	Consumed
Long-lasting persistence	✅✅✅	Limited	Limited	Limited	Limited

V. Practical Applications & Product Cases

Skincare Applications

Acetyl Zingerone has been adopted by well-known brands in their products:

Brand	Product	AZ's Positioning
Pechoin	Linglong Guangyang Essence	Supramolecular Acetyl Zingerone for long-lasting antioxidant action, building a "sugar + oxidation + oil" triple-control system

Clinical Data (Pechoin Linglong Essence, containing AZ + co-formulation system)

Parameter	28-Day Improvement
Sebum output	Average reduction of 31.64%
Redness	Improvement of 37.34%
Skin firmness	Increase of 31.21%
Forehead fine lines	Reduction of 21.78%
Adverse reactions in sensitive skin	0 cases (35 sensitive skin subjects tested)

Formula Architecture: The "Sugar + Oxygen + Oil" Triple-Control System

The Linglong Essence features a three-layer synergistic system with Acetyl Zingerone at its core:

Layer	Core Ingredient	Function	Mechanism
Anti-Oxidation	Supramolecular Acetyl Zingerone	Long-lasting antioxidant, brightens sallowness	Physical quenching of ¹O₂ (non-consuming), scavenges ROS and ONOO⁻; no photosensitivity - safe for both AM and PM use; more stable than traditional Vitamin C and Vitamin E
Anti-Glycation	Acetyl Hydroxyproline	Reduces glycation-induced yellowing and laxity	Reduces glycation end-product CML by 18.67%, improving sallow, dull complexion caused by high-sugar diets
Oil Control	VB-IP (Pyridoxine Tri-hexyldecanoate)	Regulates sebum from the source	2024 NMPA newly filed ingredient; modulates sebaceous gland lipid secretion without over-drying, unlike traditional astringents

Complementary Formula Systems

In addition to the triple-control core, the formula integrates two complementary systems:

a) Anti-Cortisol Complex - "Linglong Anti-Cortisol Factor

Component	Details
Origin	Co-developed by Pechoin and Jiangnan University using AI screening
Composition	Trumpet Vine + Schisandra botanical combination
Mechanism	Inhibits 11β-HSD1 enzyme, reducing conversion of inactive cortisone to active cortisol in skin; thereby preventing cortisol-driven collagen degradation

b) Soothing & Barrier Repair System - "Skin Happiness Factors"

Ingredient	Function
Theanine	Inhibits TRPV-1 (capsaicin receptor) activation, reducing stinging and redness signals
Glutamine	Supports barrier repair and cellular energy
DNA-Mg	DNA repair co-factor
CB-2 Activation	Cannabinoid receptor type 2 activation increased by 48% (soothing pathway)
TRPV-1 Inhibition	Reduced by 29% (pain/inflammation signaling)

c) Triple Oil-Control System

Layer	Ingredient	Dimension
1. Sebum Suppression	VB-IP	Inhibits sebaceous gland lipid secretion at the source
2. Lipid Metabolism	Succinic Acid	Accelerates sebum metabolism and turnover
3. Pore Clearance	Pomegranate Peel Extract + Exfoliants	Clears keratinized plugs and refines pore appearance

28-Day Third-Party Clinical Efficacy Data

All data from third-party professional human clinical testing:

Parameter	28-Day Improvement
Skin brightness / radiance	Improvement of 22.97% (dull "tired face" visibly brightened)
Cheek redness	Improvement of 37.34% (sensitive redness visibly reduced)
Sebum output	Average reduction of 31.64% (afternoon T-zone shine significantly decreased)
Skin firmness	Increase of 31.21%
Fine lines / dry lines	Reduction of 23.07% (forehead and eye area)
Adverse reactions in sensitive skin	0 cases out of 35 sensitive skin subjects
Patch test reactions	0 positive out of 31 subjects

Texture & Sensory Profile

Property	Description
Texture	Crystal-clear translucent gel
Absorption	Transforms to water upon contact; rapid absorption
Finish	Soft matte, non-sticky, no film residue
Comedogenicity	Non-comedogenic; safe for oily/acne-prone skin
Compatibility	Layers well under moisturizers, sunscreens, and makeup
Phototoxicity	None - AZ and VB-IP are both non-photosensitizing, safe for morning use

2. Scientific Research & Published Evidence

Acetyl Zingerone has been the subject of multiple peer-reviewed publications and conference presentations:

Study / Publication	Key Findings
Singlet Oxygen Physical Quenching Study	AZ demonstrated physical (energy-transfer) quenching of ¹O₂, returning singlet oxygen to ground state without chemical consumption of AZ itself. This catalytic mechanism enables long-lasting, recyclable antioxidant protection - a fundamental advantage over conventional antioxidants that are stoichiometrically consumed.
Peroxynitrite (ONOO⁻) Scavenging	AZ effectively scavenged peroxynitrite, one of the most powerful endogenous oxidants. This pathway is not addressed by Vitamin C or Vitamin E, positioning AZ as a uniquely comprehensive antioxidant.
UVA-Induced CPD Protection in Melanocytes	AZ protected melanocytes from UVA-induced formation of cyclobutane pyrimidine dimers (CPDs), a hallmark of UV-induced DNA damage. This implies potential for photoaging prevention and reduced photocarcinogenesis risk.
IL-17A Pathway Inhibition	AZ demonstrated significant inhibition of IL-17A target gene expression, suggesting therapeutic potential for inflammatory skin conditions such as psoriasis, beyond routine anti-aging skincare.
MMP-1 / MMP-3 Inhibition	AZ significantly reduced expression of MMP-1 and MMP-3, the key collagen-degrading enzymes upregulated by UV and oxidative stress, thereby preserving dermal extracellular matrix integrity.
ECM Gene Upregulation	Compared to native zingerone, AZ showed more pronounced upregulation of collagen, proteoglycan, and ECM glycoprotein gene expression, supporting its role in promoting skin structural protein synthesis.

3. International Brand & Formulation Applications (Emerging)

Beyond Pechoin, Acetyl Zingerone is gaining traction globally as a next-generation antioxidant active:

Market	Application Trend	Details
United States	Anti-aging serums & photoprotection boosters	Acetyl Zingerone is actively supplying US indie and clinical skincare brands for antioxidant + blue-light defense formulations
Europe	Anti-pollution & urban skincare	Acetyl Zingerone ONOO⁻ scavenging and ozone-protective capabilities make it ideal for "city skin" defense products
China	Sensitive skin anti-aging + oil-control	Following Pechoin's success and NMPA new ingredient filing , multiple Chinese brands are developing Acetyl Zingerone -based products for oily-sensitive anti-aging segment
South Korea	Blue-light & digital aging defense	Acetyl Zingerone ¹O₂ physical quenching and HEV/blue-light ROS scavenging align with K-beauty's focus on screen-time skin damage
Japan	Gentle anti-aging for mature skin	Acetyl Zingerone 's excellent safety profile (no irritation, no phototoxicity) suits the Japanese market's preference for mild yet effective anti-aging ingredients

4. Suggested Formulation Prototypes

Based on AZ's physicochemical properties and efficacy profile, the following formulation concepts are recommended for product development:

Formulation Prototype A: Antioxidant Brightening Serum

Component	Concentration	Function
Acetyl Zingerone	1.0%	Core long-lasting antioxidant
Acetyl Hydroxyproline	2.0%	Anti-glycation, brightening
Ferulic Acid	0.5%	Synergistic antioxidant
Niacinamide	4.0%	Pore refining, barrier support
Hyaluronic Acid (multi-MW)	0.1–0.5%	Hydration
Base	q.s.	Light serum vehicle

Formulation Prototype B: Blue-Light & UV Defense Day Serum

Component	Concentration	Function
Acetyl Zingerone	0.5%	¹O₂ physical quenching, blue-light defense
Bakuchiol	0.5%	Gentle retinol alternative, MMP inhibition
Lutein (oil-soluble)	0.1%	Blue-light absorption
Vitamin E (Tocopherol)	0.5%	Lipid-phase antioxidant
Sunscreen filters (optional)	Per regulations	Physical UV filter base
Base	q.s.	Lightweight fluid

Formulation Prototype C: Sensitive Skin Anti-Aging + Soothing Cream

Component	Concentration	Function
Acetyl Zingerone	0.5%	Non-irritating antioxidant, IL-17A inhibition
Schisandrin	0.3%	MMP inhibition + antioxidant synergy
Theanine	1.0%	TRPV-1 inhibition, soothing
Ceramide NP	0.5%	Barrier repair
Squalane	3.0%	Emollient, skin-compatible lipid
Base	q.s.	Comfort cream vehicle

5. Market Significance & Strategic Value of Acetyl Zingerone

Strategic Dimension	Value Proposition
Technology Differentiation	First commercially available cosmetic active with singlet oxygen physical quenching + peroxynitrite scavenging - mechanisms no traditional antioxidant offers
Consumer Trend Alignment	Perfectly aligned with 2025–2026 mega-trends: blue-light defense, anti-pollution, cortisol/stress-aging, sensitive skin anti-aging
Formulation Flexibility	Non-photosensitizing → AM/PM use; oil-compatible → suits both aqueous serums and lipid-rich creams; pH-stable across 4.0–8.0
Regulatory Advantage	NMPA new ingredient filing completed (China); well-documented safety dossier supports global registration
Patent Protection	Sytheon holds composition and use patents, providing formulation partners with IP-backed differentiation
Consumer Experience	No tingling, no tolerance-building, no sun avoidance required - ideal for the growing "gentle efficacy" consumer segment

VI. Recommended Usage Concentrations & Formulation Suggestions

Application Scenario	Recommended Concentration
Antioxidant / Anti-aging serum	0.5%–2%
Photoprotection adjunct	0.5%–1%
Anti-inflammatory / Soothing	0.2%–1%

Classic Co-formulation Combinations

Co-formulated Ingredient	Synergistic Effect
Acetyl Hydroxyproline	Antioxidant + Anti-glycation, brightens and reduces sallowness
Bakuchiol	Antioxidant + Mild collagen promotion, gentle retinol alternative for anti-aging
Schisandrin	Antioxidant + MMP inhibition, dual firming action
Theanine	Antioxidant + Soothing / Stress relief
Ferulic Acid	Dual antioxidant synergy
Sunscreens	Chemical sunscreen + Biological sunscreen dual defense line

VII. Safety & Regulatory Status

Item	Status
Skin irritation	Extremely low, gentle and non-irritating
Phototoxicity	None
Sensitization potential	Extremely low
China New Cosmetic Ingredient Filing	✅ Completed
Suitable for sensitive skin	✅ Yes (no tolerance-building period required)

VIII. Summary

Acetyl Zingerone is a next-generation multifunctional skincare antioxidant that fuses the dual structural advantages of zingerone and curcumin.

Its core differentiating advantages are:

Singlet oxygen physical quenching - Non-consuming, recyclable long-lasting antioxidant action.

Peroxynitrite scavenging - Covers oxidative pathways that traditional antioxidants cannot address.

Excellent photostability - Overcomes the critical weakness of curcumin's photoinstability.

MMP inhibition + IL-17A inhibition - Dual efficacy in anti-collagen degradation and anti-inflammation.

Gentle and safe - Suitable for sensitive skin, no tolerance-building period required.

It can be regarded as a "next-generation all-round antioxidant surpassing Vitamin C and curcumin", particularly well-suited for formulation scenarios such as anti-photoaging, anti-pollution, early anti-aging, and gentle anti-aging for sensitive skin.

VIIII: What is the usage of Acetyl Zingerone+CAS 30881-23-3?

Recommended Application Scenarios:

Antioxidant & Brightening Serum - Improves dullness and sallowness from fatigue/lack of sleep.

Photoprotection Products - Paired with sunscreen as a biological photoprotection supplement.

Anti-Aging & Firming - Inhibits MMPs, protects collagen.

Sensitive Skin Anti-Aging - Gentle and non-irritating, no tolerance-building period required.

Anti-Pollution Spray/Cream - Urban pollution defense.

Acne-Prone/Oily-Sensitive Skin Care - Oil control & anti-inflammatory, reduces redness.

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