PuriActives®RutaSuc™ 芸珀因™
INCI name: RUTINYL SUCCINATE
01 · MARKET CONTEXT · 市场背景
Skin under oxidative stress — a new formulation brief
Daily environmental exposure keeps skin under chronic oxidative stress — and this has rewritten what brands expect from an active ingredient.
01Environmental load is daily exposure.UV, ozone, and particulate pollutants drive reactive oxygen species (ROS) generation in skin, linking environmental stress to visible dullness, redness, and premature aging signs.
02Sensitivity and visible redness have gone mainstream.Sensitive-skin positioning has moved from niche dermo-skincare into the core skincare development agenda.
03Well-known molecules win trust.Brands prefer actives with a name, a structure, and published literature over anonymous antioxidant blends.
04Multifunctionality wins formulas.A well-characterized molecule supporting multiple defensible claims significantly reduces formulation cost and complexity.
The biological map of oxidative stress is well established — the bottleneck is getting a long-validated defense molecule into an elegant formula. The opportunity is not “yet another antioxidant,” but bringing a proven flavonoid molecule into real formulations.
Sources: Rinnerthaler et al., Oxid. Med. Cell. Longev., 2015; Ganeshpurkar & Saluja, Saudi Pharm. J., 2017.
02 · THE MOLECULE · 认识分子
Rutin — one of the best-known bioactive flavonoids
Rutin — quercetin-3-O-rutinoside
C27H30O16 · CAS 153-18-4 · flavonol glycoside
A flavonol glycoside built from the quercetin aglycone and the rutinose disaccharide. Its catechol B-ring and conjugated chromone core are among the most thoroughly studied radical-scavenging pharmacophores in natural-product science.
Abundant natural sourcing — concentrated in Sophora japonica flower buds, buckwheat, citrus, and asparagus; a molecule consumers already ingest in their daily diet.
The “vitamin P” heritage — in 1936 Szent-Györgyi linked citrus flavonoids, including rutin, to capillary resistance (Nature), opening nearly a century of microvascular research.
Deep biological evidence — radical scavenging, metal-ion chelation, and modulation of inflammation-related pathways documented across hundreds of peer-reviewed studies and reviews.
Clear regulatory identity — the EU CosIng inventory lists RUTIN with antioxidant, skin-conditioning, and hair-conditioning functions: a recognized cosmetic identity, not an unfamiliar newcomer.
Sources: Rusznyák & Szent-Györgyi, Nature, 1936, 138, 27; Afanas’ev et al., Biochem. Pharmacol., 1989, 38, 1763–1769; Gullón et al., Trends Food Sci. Technol., 2017, 67, 220–235; European Commission CosIng inventory.
03 · THE FORMULATION PROBLEM · 配方挑战
Native rutin resists formulation
0.125 g/L
Rutin water solubility at 25 °C — roughly 8 liters of water per gram of active.
log P +0.85
n-Octanol/water partition coefficient (pH 7.4): a crystalline glycoside with neither hydrophilic nor lipophilic affinity.
Rutin’s planar polyphenolic backbone stacks into stable crystal lattices; its glycosidic hydroxyls are locked in intermolecular hydrogen bonds instead of hydration.
What this means at the bench
Precipitates in water-based systems — serums, toners, and gels cannot carry an effective dose.
Depends on solubilizers and co-solvents — extra surfactant or alcohol load, sacrificing skin feel and mildness.
Recrystallizes on shelf — haze, sediment, and active-content drift in finished products.
Excluded from modern formats — clear serums, cold-process manufacturing, and water-based scalp products are essentially off-limits.
The problem was never the biology — it is the physical form of the molecule.
Sources: Pedriali et al., Quim. Nova, 2008, 31, 2147–2151 (solubility, log P); Gullón et al., Trends Food Sci. Technol., 2017, 67, 220–235.
04 · THE SOLUTION · 解决方案
PuriActives® RutaSuc™ — rutin, made for water
RutaSuc™ is rutinyl succinate: succinate groups introduced onto rutin’s sugar moiety. The design logic is direct — keep the flavonoid pharmacophore, change the molecule’s relationship with water.
Ionizable carboxyls — up to six succinyl groups introduce hydrophilic carboxyls along the rutinose chain.
80–115× higher water solubility — from 0.125 g/L to 10–14.4 g/L, measured independently by two research groups.
A genuinely hydrophilic flavonoid — partition coefficient flips from log P +0.85 to −1.13, a complete reversal of polarity class.
Ready-to-use form — supplied as a 5% aqueous solution, added directly to the water phase with no solubilization step.
Rutinyl succinate: 14.4 g/L (Sachetto et al., 2022) and 10.0 g/L (Pedriali et al., 2008) — an 80–115× improvement over native rutin (0.125 g/L).
The same flavonoid core — a completely different formulation reality.
Sources: Pedriali et al., Quim. Nova, 2008, 31, 2147–2151; Sachetto et al., Front. Pharmacol., 2022, 13, 828269.
04 · THE SOLUTION · MOLECULAR ARCHITECTURE
Molecular architecture — succinylated sugars, intact core
A defined family of 1–6 substitution forms, centered on DS 2–3 (30.7% / 27.6%); the flavonoid aglycone fragment (m/z 303) is preserved across all forms.
Spectroscopically confirmed identity
· The characteristic flavonoid UV-Vis absorption bands remain at 271 / 352 nm after succinylation — the chromophore is unchanged.
· 1H / 13C-NMR confirms esterification occurs only at sugar hydroxyls; the aromatic 5-OH signal is intact.
· LC-MS: each succinyl unit adds 100 Da, exactly as expected.
Sources: Pedriali et al., 2008; Sachetto et al., 2022.
05 · MECHANISM · 作用机制
One molecule, four lines of defense
The mechanism framework integrates rutin pharmacology literature with experimental data on rutin succinate; pathway-level evidence is detailed in the following sections.
06 · EVIDENCE · 实证数据
Radical-trapping capacity, measured at the molecular level
Model: luminol/AAPH chemiluminescence (Total radical-trapping Antioxidant Parameter, TRAP), 0.2–1.0 µM, Tris buffer pH 9.0, 37 °C. Test items: rutin succinate (n = 3.03 ± 0.08), rutin (n = 3.53 ± 0.07), Trolox® reference (n = 2). All means differ significantly at the 0.05 level.
≈1.5× Trolox®
Antiradical capacity of rutinyl succinate relative to the standard water-soluble antioxidant reference
The succinate groups themselves help.At the assay pH, the deprotonated carboxyls carry negative charge and attract the cationic peroxyl radicals generated by AAPH thermolysis.
Retains 86% of rutin’s trapping power — in a water-compatible form.Despite an ~80-fold gain in hydrophilicity, each molecule still traps about three radicals.
Cosmetic relevance:verified scavenging of peroxyl-type radicals — precisely the radical class that drives oxidative lipid damage in skin.
Source: Pedriali et al., Quim. Nova, 2008, 31(8), 2147–2151. DOI: 10.1590/S0100-40422008000800039
06 · EVIDENCE · 实证数据
Membrane lipid protection in a biological matrix
Model: spontaneous oxidation of rat-brain homogenate membranes; malondialdehyde (MDA) quantified as the TBA adduct at 535 nm. Test items compared on an equimolar flavonoid-core basis. Result: despite extreme hydrophilicity (log P −1.13), rutinyl succinate still engages membrane lipids and inhibits peroxidation by 77.9% — only ~19% below native rutin on a flavonoid-core basis. Hydrophilicity did not cost the molecule its biological reach.
For skin, membrane lipid peroxidation is exactly where oxidative stress “becomes visible.”
Source: Pedriali et al., Quim. Nova, 2008, 31(8), 2147–2151. DOI: 10.1590/S0100-40422008000800039
06 · EVIDENCE · 实证数据
A flavonoid core built for inflammatory-stress pathways
Macrophage inflammatory-mediator modulation (rutin, mechanistic level).In LPS-stimulated macrophages, rutin down-regulates key inflammatory mediators such as TNF-α and COX-2-derived prostaglandins while raising the anti-inflammatory marker IL-10 — showing the flavonoid core is a modulator of inflammatory signaling, not merely a radical scavenger.
Pathway-level support (rutin, review level).Mechanistic reviews consistently place rutin upstream of NF-κB, COX-2, and iNOS — the very signaling axis that converts oxidative damage into redness, discomfort, and matrix degradation in stressed skin.
The pharmacophore performing these actions is fully preserved.Succinylation is confined to the sugar moiety; the catechol B-ring responsible for antioxidant and signaling interactions is untouched.
Direct confirmation on rutinyl succinate.Sachetto et al. showed the modified molecule retains rutin-like activity, including inhibition of protein disulfide isomerase (PDI) and interaction with plasma proteins — direct evidence that the flavonoid core still binds biological targets.
Evidence-grading note: direct rutinyl succinate data (Grade A) confirm activity retention; rutin mechanistic data (Grade B) serve as supporting evidence for core preservation. No independent RutaSuc™ inflammation study is claimed.
Cosmetic translation.Redness-prone, reactive skin is essentially skin living in an overactive “stress–inflammation” loop. An active that intercepts radicals before they reach this axis — with documented mediator modulation by its preserved core — directly answers the sensitive-skin brief.
Sources: Kauss et al., Arthritis Res. Ther., 2008, 10, R19; Ganeshpurkar & Saluja, Saudi Pharm. J., 2017, 25, 149–164; Sachetto et al., Front. Pharmacol., 2022, 13:828269
06 · EVIDENCE · 实证数据
The vitamin P heritage — made for redness-prone skin
1936
Rusznyák and Szent-Györgyi describe “vitamin P”: flavonoid extracts that restore capillary resistance — with rutin as the reference substance.
Ninety years of capillary research.Rutin and its semi-synthetic derivatives (troxerutin, rutin sulfates) are among the longest-studied flavonoid families in microvascular research — the scientific lineage behind the “P factor.”
Protein-target activity retained.Rutinyl succinate preserves rutin’s inhibition of protein disulfide isomerase (PDI) and its interactions with fibrinogen and albumin — direct evidence the molecule still binds the protein targets relevant to rutin’s vascular biology.
Why it matters topically.A water-compatible rutin can finally enter daily leave-on skincare — and visible redness and reactive tone are appearance concerns adjacent to microcirculation.
Cosmetic translation
· Visible redness — soothing care for reactive, redness-prone complexions
· Eye contour — where microcirculation shows most readily through thin skin
· Post-stress recovery — calming formats for after sun exposure and aesthetic procedures
· Even tone — daily defense for complexion uniformity
Positioning note: RutaSuc™ is a cosmetic active for appearance care. The microvascular literature on rutin-class molecules establishes mechanistic plausibility and scientific heritage — it does not constitute any therapeutic claim for finished cosmetic products.
Sources: Rusznyák & Szent-Györgyi, Nature, 1936, 138, 27; Sachetto et al., Front. Pharmacol., 2022, 13:828269; Jasuja et al., J. Clin. Invest., 2012, 122, 2104–2113
06 · EVIDENCE · 实证数据
Photo-stress: a chromophore that still “sees” UV
Schematic curve reconstructed from the published absorption peaks of rutinyl succinate (λmax 271 and 352 nm, UV-Vis, Bands II and I of the flavonol chromophore). Peak positions are measured data; the curve shape is illustrative, not a measured spectrum.
The chromophore survives modification.Succinylation leaves the conjugated flavonol system unchanged — the molecule’s characteristic UVA/UVB absorption is essentially intact.
A second line of defense.RutaSuc™ is not a UV filter and makes no SPF claim. Its role is handling the oxidative chemistry UV triggers downstream — quenching radicals and protecting lipids.
Formulation logic.An ideal partner for daily-defense and after-sun concepts — complementary to sunscreen actives, never a replacement.
Sources: Pedriali et al., Quim. Nova, 2008, 31(8), 2147–2151; Sachetto et al., Front. Pharmacol., 2022, 13:828269
06 · EVIDENCE · 实证数据
Scalp & hair: a water-compatible flavonoid for leave-on scalp care
The scalp is an oxidative-stress hotspot.Sebum-rich, UV-exposed, and densely folliculated, the scalp faces a unique oxidative burden; oxidative stress at the follicle is linked to scalp discomfort and hair-quality issues (Trüeb, 2009).
Hair-care regulatory basis.The EU CosIng database lists rutin with antioxidant, skin-conditioning, and hair-conditioning functions — an established regulatory precedent for flavonoids in hair and scalp products.
Built for the format.Scalp care is dominated by watery leave-on formats — tonics, essences, sprays — precisely the systems native rutin could never enter. RutaSuc™ is supplied as a 5% aqueous solution, ready to add directly.
Verified activity, the relevant radical class.TRAP-verified peroxyl-radical trapping maps directly onto the lipid-peroxidation chemistry of sebum oxidation at the scalp surface.
Concept directions
· Soothing scalp tonic — daily leave-on antioxidant defense for sensitive, tight scalps
· Post-color/perm calming spray — oxidative-stress care after chemical services
· Pre-wash essence — concentrated flavonoid delivery in a water-based essence texture
· Anti-pollution scalp mist — an urban-defense positioning backed by a TRAP-verified active
Sources: Trüeb, Int. J. Trichology, 2009, 1(1), 6–14; EU CosIng database, RUTIN (CAS 153-18-4); Pedriali et al., Quim. Nova, 2008
07 · FORMULATION SCIENCE · 配方科学
Formulation science: a ready-to-use aqueous active
| Supplied-form property | RutaSuc™ specification |
|---|---|
| Form | 5% aqueous solution of rutinyl succinate |
| Appearance | Clear to slightly opalescent liquid, pale yellow to amber |
| pH | 3.5 – 5.5 |
| Density (20 °C) | 0.990 – 1.050 g/mL |
| Refractive index | 1.360 – 1.420 |
| Dry residue | 5 – 20% |
| Solubility | Miscible with water, glycerin, propylene glycol, and ethanol (slight opalescence) |
| Preservative system | Sodium benzoate · potassium sorbate · tetrasodium EDTA |
| Shelf life | 24 months, protected from light |
At the bench
Addition — add to the water phase at any stage; no heating, no solubilizers, no neutralization step.
Suitable systems — emulsions, gels, toners, serums, sprays, and hydroalcoholic systems.
Handling notes — avoid strong oxidizers and prolonged exposure above 35 °C; store protected from light.
Settling behavior — slight haze may appear on standing; shake before use. Normal for a high-load botanical-derived active.
Because RutaSuc™ is supplied pre-dissolved, the classic “rutin won’t go in” workflow — solvent hunting, heated processing, crystallization monitoring — disappears entirely.
Source: PuriPharm Co. Ltd. product documentation, PuriActives® RutaSuc™ supplied-form data.
08 · APPLICATIONS · 应用方向
Six fields, one active
Sensitive & redness-prone skinThe vitamin P heritage plus verified radical interception — soothing serums, calming essences, post-procedure care.
Antioxidant daily defenseUrban day creams, anti-pollution mists, and ampoule drops built around TRAP-verified, 1.5×-Trolox radical trapping.
Healthy agingThe matrix-stress narrative — lipid protection at the MDA level, plus mechanistic support against the oxidative signals that drive MMPs.
Tone & radianceDullness is oxidation made visible; tone-evening and brightening serums gain a credible mechanistic story.
Eye careThin skin, visible microcirculation, constant light exposure — the most natural home for the microvascular heritage.
Scalp careWater-based leave-on tonics, sprays, and essences — formats that were structurally off-limits to native rutin.
Application fields are derived from the evidence grading summarized in the Evidence Map section; no clinical efficacy claims are made for finished products.
08 · APPLICATIONS · 应用方向
Bench concept framework
| Urban antioxidant serum | Redness-soothing essence | Scalp defense tonic | |
|---|---|---|---|
| Format | Light O/W serum or water-based ampoule drops | Watery essence / gel-serum | Leave-on scalp tonic or spray |
| RutaSuc™ role | Lead antioxidant: TRAP-verified radical trapping and membrane lipid protection | Soothing defense active: vitamin P heritage and preserved anti-inflammatory core | Scalp antioxidant: targeting sebum peroxidation and follicular oxidative stress |
| Addition | Water phase, room temperature, no solubilizers | Water phase, room temperature, no solubilizers | Direct addition to water-based base |
| pH target | 5.0 – 5.5, within the 3.5 – 5.5 specification window | 5.0 – 5.5, skin-identical positioning | 4.5 – 5.5, scalp-friendly range |
| Positioning line | “Urban-grade antioxidant defense, evidenced at 1.5× Trolox” | “Flavonoid soothing for reactive, redness-prone skin” | “Daily antioxidant care for the scalp” |
Illustrative development framework, not finished formulas. Use-level guidance, stability screening, and prototype support are available from PuriPharm Co. Ltd. technical service.
09 · POSITIONING · 市场定位
Where RutaSuc™ sits on the active-ingredient map
Native rutin owns the science but fails the bench.Decades of literature and near-universal recognition — trapped in a molecule that cannot enter water-based formulas.
Synthetic antioxidants pass the bench but have no story.Benchmark water-soluble antioxidants formulate easily, yet offer no flavonoid heritage, no microvascular narrative, no recognizable natural lineage.
RutaSuc™ occupies the intersection — delivering rutin’s documented biology in a formulators-friendly form, a position no single benchmark can hold alone.
Qualitative internal benchmark (PuriPharm Co. Ltd., 2026). Scores 0–5; no third-party brand is named or implied.
10 · EVIDENCE MAP · 证据地图
| Evidence tier | Description | Sources |
|---|---|---|
| A Direct: rutinyl succinate | Water solubility 0.125 → 10–14.4 g/L (~80–115×); log P +0.85 → −1.13; DS 1–6 distribution confirmed by LC-MS and NMR | Pedriali et al., 2008; Sachetto et al., 2022 |
| A Direct: rutinyl succinate | TRAP radical trapping 3.03 ± 0.08 per molecule (~1.5× Trolox reference); retains 86% of rutin’s trapping capacity | Pedriali et al., 2008 |
| A Direct: rutinyl succinate | Membrane lipid peroxidation inhibition 77.9% (vs rutin 97.2%, equimolar flavonoid-core basis); IC50 19.51 µM; CUPRAC and PDI-inhibition activity retained | Pedriali et al., 2008; Sachetto et al., 2022 |
| B Mechanistic: rutin core | Catechol pharmacophore preserved; rutin down-regulates macrophage TNF-α / COX-2 mediators, chelates redox-active metals, supports capillary resistance (vitamin P) | Kauss et al., 2008; Afanas’ev et al., 1989; Rusznyák & Szent-Györgyi, 1936 |
| B Mechanistic: rutin core | Regulatory precedent: EU CosIng lists rutin as antioxidant, skin-conditioning, and hair-conditioning ingredient | EU CosIng database, CAS 153-18-4 |
| C Application logic | Scalp oxidative stress, photo-oxidative burden, and redness-prone skin as cosmetic targets for a water-compatible flavonoid | Trüeb, 2009; Rinnerthaler et al., 2015 |
Transparency note: Grade A data were measured on rutinyl succinate itself; Grade B is native-rutin data, applicable because the pharmacophore is preserved; Grade C is cosmetic application logic. Rutin literature is never presented as RutaSuc™ product data.
11 · WHY RUTASUC™ · 核心总结
Why RutaSuc™
01 Science derived from rutin.Built on one of the most thoroughly studied flavonoids in cosmetic and biomedical literature — the vitamin P heritage, CosIng-listed functions, ninety years of mechanistic research.
02 Molecular-level optimization.Succinylation of the sugar hydroxyls turns a practically insoluble flavonoid (0.125 g/L) into a water-compatible active (10–14.4 g/L) — an ~80–115× improvement — without touching the catechol pharmacophore.
03 Verified radical defense.~1.5× Trolox by TRAP and 77.9% membrane lipid peroxidation inhibition — both measured on the rutinyl succinate molecule itself in peer-reviewed models.
04 Ready for formulators.Supplied as a preserved 5% aqueous solution — water-phase addition, no heating, no solubilizers; suitable for emulsions, gels, toners, and sprays.
05 Broad application breadth.Six cosmetic fields — sensitive skin, antioxidant defense, healthy aging, tone, eye care, scalp — from a single well-documented active.
12 · CLOSING · 结语
Turning classic flavonoid science into a modern cosmetic active platform.
01The biology was never the problem.Rutin’s pharmacophore is fully preserved in RutaSuc™ — radical trapping, membrane lipid protection, and protein-target binding all survived succinylation.
02The form was the problem.An ~80–115× solubility gain and a ready-to-use 5% aqueous form remove every barrier between rutin science and modern water-based formulation.
03The evidence stands up to audit.Direct rutinyl succinate data, rutin mechanistic literature, and application logic are clearly tiered — nothing borrowed, nothing overstated.
PuriPharm Co. Ltd. · PuriActives® Cosmetic Actives
Technical documentation, samples, and formulation support available on request.
APPENDIX · 附录
Selected references
1. Pedriali, C. A.; et al. Synthesis of a water-soluble rutin derivative as an antiradical agent. Quim. Nova, 2008, 31(8), 2147–2151. DOI: 10.1590/S0100-40422008000800039
2. Sachetto, A. T. A.; et al. The bioflavonoids rutin and rutin succinate: chemical characterization and biological evaluation. Front. Pharmacol., 2022, 13, 828269. DOI: 10.3389/fphar.2022.828269
3. Rusznyák, S.; Szent-Györgyi, A. Vitamin P: flavonols as vitamins. Nature, 1936, 138, 27.
4. Li, K.; et al. Advances in structural modification and biological activities of rutin. Chinese Traditional and Herbal Drugs, 2021, 52(20), 6413–6424. DOI: 10.7501/j.issn.0253-2670.2021.20.032
5. Gullón, B.; et al. Rutin: a review on extraction, identification and purification methods, biological activities and approaches to enhance its bioavailability. Trends Food Sci. Technol., 2017, 67, 220–235. DOI: 10.1016/j.tifs.2017.07.008
6. Ganeshpurkar, A.; Saluja, A. K. The pharmacological potential of rutin. Saudi Pharm. J., 2017, 25(2), 149–164. DOI: 10.1016/j.jsps.2016.04.025
7. Kauss, T.; et al. Modulatory effect of rutin on pro- and anti-inflammatory mediators in activated macrophages. Arthritis Res. Ther., 2008, 10, R19. DOI: 10.1186/ar2372
8. Afanas’ev, I. B.; et al. Chelating and free radical scavenging mechanisms of inhibitory action of rutin and quercetin in lipid peroxidation. Biochem. Pharmacol., 1989, 38(11), 1763–1769.
9. Jasuja, R.; et al. Protein disulfide isomerase inhibitors constitute a new class of antithrombotic agents (rutin-class flavonoids). J. Clin. Invest., 2012, 122(6), 2104–2113. DOI: 10.1172/JCI61228
10. Alluis, B.; et al. Water-soluble rutin derivatives: synthesis and antioxidant properties. Helv. Chim. Acta, 2000, 83(2), 428–443.
11. Rinnerthaler, M.; et al. Oxidative stress in aging human skin. Oxid. Med. Cell. Longev., 2015, 2015, 586398. DOI: 10.1155/2015/586398
12. Trüeb, R. M. Oxidative stress in ageing of hair. Int. J. Trichology, 2009, 1(1), 6–14.
13. Jovanovic, S. V.; et al. Flavonoids as antioxidants. J. Am. Chem. Soc., 1994, 116(11), 4846–4851.
14. European Commission. CosIng — Cosmetic Ingredients Database: RUTIN (CAS 153-18-4); RUTINYL SUCCINATE (CAS 267006-02-0). Commission Decision 2006/257/EC and updates.
All sources are publicly published and verifiable. Product supplied-form data: PuriPharm Co. Ltd. internal documentation.