Onerchem · Solution Area 03
Anti-Aging &
Peptide Actives
Multi-mechanism anti-aging formulation using signal peptides, neuro-inhibitory peptides, copper carrier peptides, and scaffold actives. Each targets a distinct node in the aging cascade — no single active is sufficient for comprehensive anti-aging coverage.
8
Peptide Actives
≥98%
HPLC Purity
4
Mechanism Nodes
24h
Response Time
The Four Nodes of Skin Aging
Click each node to explore the mechanism and the actives that address it
I
Node 01
Collagen Synthesis Decline
Signal Peptides
II
Node 02
Dynamic Wrinkle Formation
Neuro-Inhibitory
III
Node 03
Dermal ECM Remodelling
Carrier Peptides
IV
Node 04
DEJ Structural Deterioration
Scaffold Actives
What happens
Fibroblast activity declines with age and UV exposure. Collagen I, III, and IV synthesis decreases while MMP activity increases — net result is progressive loss of dermal collagen density and skin thickness.
Mechanism target
Matrikine signal peptides — fragments of collagen degradation products — bind cell surface receptors on fibroblasts, triggering collagen synthesis via the TGF-β pathway. They mimic the body's natural repair signal.
Key active
Matrixyl 3000 (Palmitoyl Tripeptide-1 + Palmitoyl Tetrapeptide-7) — stimulates Collagen I, III, IV and fibronectin synthesis, and modulates IL-6 inflammatory signalling. pH stability 4.5–7.0; add below 40°C.
What happens
Repeated facial muscle contractions form dynamic expression lines — forehead, frown, and crow's feet. Unlike static wrinkles from collagen loss, dynamic wrinkles are driven by neuromuscular activity and require a different active class.
Mechanism target
SNARE complex inhibition — the SNARE protein complex mediates acetylcholine-containing vesicle fusion at the neuromuscular junction. Inhibiting SNARE assembly reduces acetylcholine release and moderates muscle contraction frequency.
Key active
Acetyl Hexapeptide-8 (30281 grade, ≥98% HPLC) — mimics N-terminal region of SNAP-25, competing for SNARE complex binding. Stable pH 4.0–7.0; add below 40°C. Best delivered in lightweight serum vehicles for periorbital areas.
What happens
The ECM — the dermal scaffold of collagen, elastin, and GAGs — undergoes progressive degradation. Copper-dependent enzymes (Lysyl Oxidase) that cross-link collagen and elastin fibres require copper delivery to function effectively.
Mechanism target
GHK-Cu delivers copper (Cu²⁺) to Lysyl Oxidase, enabling collagen and elastin cross-linking. Simultaneously modulates MMP expression — breaking down damaged collagen while stimulating new synthesis. Dual remodelling action.
Key active
GHK-Cu (Copper Tripeptide-1, ≥99% HPLC) — characteristic deep blue confirms intact copper coordination. Critical pH: 5.0–6.5. Avoid citric acid as pH adjuster. Active at 0.5–2.0% of supplied concentrate.
What happens
The dermal-epidermal junction (DEJ) loses structural integrity with age. Glycosaminoglycan (GAG) content decreases, weakening the anchoring structures and contributing to skin sagging and loss of definition — a target that signal peptides alone cannot address.
Mechanism target
GAG synthesis stimulation — Pro-Xylane, a xylose derivative produced via green chemistry from beechwood, stimulates glycosaminoglycan synthesis in the DEJ zone, restoring the structural matrix that anchors the epidermis to the dermis.
Key active
Pro-Xylane (Hydroxypropyl Tetrahydropyrantriol, CAS 439685-79-7) — highly formulation-friendly: stable pH 3.5–8.0, heat stable to 80°C, water soluble, no special processing. Used at 1–3% in premium anti-aging formulas.
Classification
Four Peptide Classes — One Complete Strategy
Anti-aging peptides are not interchangeable. Each class operates through a distinct biological mechanism. Effective formulation requires selecting across multiple classes.
Signal peptides act as matrikines — fragments that mimic natural collagen breakdown products. They bind fibroblast surface receptors and activate collagen synthesis pathways without requiring skin injury.
Mechanism
Bind cell surface receptors → activate TGF-β and related synthesis pathways → upregulate Collagen I, III, IV and fibronectin production in fibroblasts
Key examples
Matrixyl 3000 (Palmitoyl Tripeptide-1 + Palmitoyl Tetrapeptide-7) · Palmitoyl Pentapeptide-4
Structural feature
Palmitoyl chain on peptide N-terminus — enhances lipophilicity for penetration through stratum corneum lipid bilayer
Critical formulation note
Heat-sensitive — palmitoyl ester bond hydrolyses above 45°C. Add in cool-down phase (below 40°C). Avoid formaldehyde-releasing preservatives (react with peptide amine groups over shelf life).
pH stability
4.5–7.0 · optimal 5.0–6.5
Neuro-inhibitory peptides modulate the neuromuscular junction to reduce repetitive facial muscle contractions that cause dynamic expression lines — a mechanism completely distinct from collagen-stimulating actives.
Mechanism
Compete for SNARE complex binding sites → reduce acetylcholine vesicle fusion at neuromuscular junction → moderate muscle contraction frequency
Key examples
Acetyl Hexapeptide-8 (AH-8, 30281 grade, ≥98% HPLC)
Target wrinkle type
Dynamic wrinkles only — forehead lines, frown lines (glabellar), crow's feet. Not effective for static wrinkles caused by collagen loss — requires combination with signal peptides for comprehensive coverage.
Formulation note
Stable pH 4.0–7.0 · add below 40°C · avoid formaldehyde-releasing preservatives · best in lightweight aqueous serum vehicles for periorbital delivery
pH stability
4.0–7.0 · optimal 5.0–6.5
Carrier peptides do not signal cells directly — they deliver essential trace minerals to enzyme systems that require them for ECM remodelling. GHK-Cu is the primary carrier peptide in cosmetic formulation.
Mechanism
Form stable complexes with copper ions → penetrate skin → release copper to Lysyl Oxidase and other copper-dependent enzymes → enable collagen and elastin cross-linking and ECM remodelling
Key examples
GHK-Cu (Copper Tripeptide-1, CAS 89030-95-5, ≥99% HPLC)
Visual indicator
GHK-Cu imparts characteristic deep blue colour — a visual confirmation that copper-peptide complex is intact. Colour shift to green or yellow indicates pH excursion (below 4.5 or above 7.0) or copper dissociation from citrate competition.
Critical constraint
pH 5.0–6.5 mandatory. Avoid citric acid as pH adjuster (citrate competes for copper coordination). Avoid high-concentration EDTA. Avoid L-Ascorbic Acid in the same formula.
Applications beyond facial
Post-procedure recovery, anti-hair loss scalp serums, wound-healing positioning — documented activity beyond standard facial anti-aging
Scaffold actives work at the DEJ structural level — stimulating glycosaminoglycan synthesis to restore the DEJ matrix that peptides cannot directly address. Pro-Xylane is the primary scaffold active in premium anti-aging formulation.
Mechanism
Stimulate GAG synthesis in the dermal-epidermal junction zone → restore hyaluronic acid and other GAG components → strengthen anchoring structures between dermis and epidermis
Key examples
Pro-Xylane (Hydroxypropyl Tetrahydropyrantriol, CAS 439685-79-7) — xylose derivative produced via green chemistry from beechwood hemicellulose
Why it complements peptides
Signal peptides address the dermis; scaffold actives address the DEJ interface. A complete anti-aging formula benefits from both approaches — they address different structural zones of aging.
Formulation
Water soluble · heat stable to 80°C · stable pH 3.5–8.0 · no special handling. Can be added to heated water phase. Most formulation-friendly active in the anti-aging category.
Green chemistry
Derived from beechwood xylose via patented green chemistry process — relevant for brands with sustainability and natural origin positioning
Active Ingredients
Core Anti-Aging Actives — Technical Specifications
Full specifications, mechanism details, and compatibility data for each active. All concentrations based on published cosmetic use data — efficacy claims require product-specific validation.
Matrixyl 3000
Palmitoyl Tripeptide-1 + Palmitoyl Tetrapeptide-7
Node I · Signal Peptide · Matrikine
≥98%
HPLC
CAS Numbers
147732-56-7 (PT-1) · 221227-05-6 (PT-7)
Use concentration
2–5% of supplied concentrate
Based on published cosmetic use data
pH stability
4.5–7.0 · optimal 5.0–6.5
Heat stability
Add below 40°C — palmitoyl ester hydrolyses above 45°C
Solubility
Supplied in aqueous glycerin carrier — water phase addition
Regulatory
EU CosIng listed · IECIC · globally permitted
1
Palmitoyl Tripeptide-1 (PT-1) mimics a fragment of Collagen I degradation — binds TGF-β receptors on fibroblasts, stimulating Collagen I and III synthesis
2
Palmitoyl Tetrapeptide-7 (PT-7) inhibits IL-6 production — reducing inflammatory breakdown of the dermal matrix that accompanies normal aging and UV exposure
3
Combined: simultaneous collagen synthesis stimulation + inflammatory degradation reduction — dual-action matrikine strategy addressing both sides of the collagen balance
✓ Acetyl Hexapeptide-8
✓ Pro-Xylane
✓ Niacinamide
✓ Sodium Hyaluronate
✓ Panthenol
⚠ GHK-Cu (avoid citric acid as pH adjuster)
⚠ Retinol (confirm pH compatibility in formula)
✗ Formaldehyde-releasing preservatives
Acetyl Hexapeptide-8
Acetyl Hexapeptide-8 · 30281 Grade
Node II · SNARE Inhibitor · Dynamic Wrinkles
≥98%
HPLC
CAS Number
616204-22-9
Grade
30281 — pure dry powder, ≥98% HPLC
Use concentration
3–10% of supplied concentrate
Based on published cosmetic use data
pH stability
4.0–7.0 · optimal 5.0–6.5
Heat stability
Add below 40°C — degrades above 45°C
Solubility
Water soluble — dissolve in demineralised water or glycerin before addition to batch
1
AH-8 mimics the N-terminal region of SNAP-25 — a key SNARE complex protein required for acetylcholine vesicle fusion at the neuromuscular junction
2
Competitive binding reduces SNARE complex assembly efficiency → fewer acetylcholine vesicles fuse successfully → reduced neurotransmitter release per muscle activation
3
Moderated acetylcholine release → reduced facial muscle contraction frequency → less dynamic wrinkle formation in expression-prone areas (forehead, periorbital, glabellar)
✓ Matrixyl 3000
✓ Pro-Xylane
✓ Niacinamide
✓ Sodium Hyaluronate
✓ Phenoxyethanol + Ethylhexylglycerin
⚠ GHK-Cu (compatible — strict pH 5.0–6.5)
✗ Formaldehyde-releasing preservatives
✗ Strong oxidising agents
GHK-Cu Copper Peptide
Copper Tripeptide-1
Node III · Carrier Peptide · ECM Remodelling
≥99%
HPLC
CAS Number
89030-95-5
Appearance
Deep blue fine powder or solution — blue colour confirms intact copper-peptide coordination
Use concentration
0.5–2.0% of supplied concentrate
Based on published cosmetic use data
Critical pH window
5.0–6.5 — copper dissociates outside this range causing colour shift and activity loss
Heat stability
Add below 40°C — copper complex is heat-sensitive
pH adjuster
Use Lactic Acid only — avoid Citric Acid (citrate competes for copper coordination and progressively strips copper from GHK-Cu)
1
GHK-Cu delivers copper (Cu²⁺) to Lysyl Oxidase — the copper-dependent enzyme responsible for cross-linking collagen and elastin fibres, providing structural tensile strength to the ECM
2
Simultaneously modulates MMP expression: degrades damaged/fragmented collagen while stimulating new organised collagen synthesis — a dual remodelling action unique to copper carrier peptides
3
Anti-inflammatory: suppresses pro-inflammatory cytokines including TNF-α — relevant for post-procedure recovery and reactive skin applications beyond standard anti-aging
✓ Sodium Hyaluronate
✓ Niacinamide (at pH 5.0–6.5)
✓ Panthenol
✓ Ceramides, Squalane
⚠ AH-8 (compatible — strict pH control required)
⚠ Vitamin C derivatives (verify pH compatibility)
✗ Citric Acid (as pH adjuster)
✗ High-concentration EDTA
✗ L-Ascorbic Acid (pure Vit C)
Pro-Xylane
Hydroxypropyl Tetrahydropyrantriol
Node IV · Scaffold Active · DEJ Restructuring
≥98%
HPLC
CAS Number
439685-79-7
Origin
Xylose derived from beechwood hemicellulose via green chemistry
Use concentration
1–3% in finished formula
Based on published cosmetic use data
pH stability
3.5–8.0 — the widest pH range of any active in this guide
Heat stability
Stable to 80°C — can be added to heated water phase, no cool-down requirement
Solubility
Water soluble — direct water phase addition, no special processing
1
Pro-Xylane acts on the dermal-epidermal junction (DEJ) — stimulating synthesis of glycosaminoglycans (GAGs) that form the structural matrix of the DEJ
2
Restored GAG content strengthens the anchoring structures (Type VII collagen, laminin) between dermis and epidermis — addressing skin laxity and loss of facial definition not treatable by dermal peptides alone
3
Complements signal peptides (which work in the dermis) by addressing the DEJ interface — a different structural zone of aging. The combination covers a more complete range of aging changes.
✓ All cosmetic peptides
✓ Retinol / Retinoids
✓ Vitamin C derivatives
✓ Niacinamide
✓ Sodium Hyaluronate
✓ AHAs at appropriate pH
✓ Standard preservative systems
Formulation Reference
Peptide Compatibility Matrix
Quick reference for combining anti-aging peptides in a single formula — all assessed at pH 5.0–6.5. Hover over each cell for notes. Always verify specific combinations by stability testing before production.
| Active | Matrixyl 3000 | AH-8 | GHK-Cu | Pro-Xylane | Niacinamide | HA |
|---|---|---|---|---|---|---|
| Matrixyl 3000 | — |
✓ |
⚠ |
✓ |
✓ |
✓ |
| Acetyl Hexapeptide-8 | ✓ |
— |
⚠ |
✓ |
✓ |
✓ |
| GHK-Cu | ⚠ |
⚠ |
— |
✓ |
✓ |
✓ |
| Pro-Xylane | ✓ |
✓ |
✓ |
— |
✓ |
✓ |
| Niacinamide | ✓ |
✓ |
✓ |
✓ |
— |
✓ |
| Sodium Hyaluronate | ✓ |
✓ |
✓ |
✓ |
✓ |
— |
✓
Fully compatible at pH 5.0–6.5⚠
Compatible with specific conditions — hover for noteAll compatibility data based on known cosmetic formulation chemistry. Verify specific combinations in your formula by stability testing before production commitment.
Formulation Resources
Guides & Technical Articles
Complete formulation protocols, mechanism deep-dives, and sourcing guides — from ingredient brief to production-ready formula.
Technical Guide
Matrixyl 3000: Matrikines & Dermal Collagen Synthesis
Deep technical coverage of the matrikine theory, Collagen I/III/IV stimulation, IL-6 modulation, and formulation parameters for palmitoyl peptides.
Sourcing Guide
How to Choose a Cosmetic Peptide Supplier — COA & Quality Checklist
What to verify before ordering — HPLC purity, optical isomer confirmation, net peptide content per gram, and red flags in supplier documentation.
Ready to formulate with peptides?
Request samples for any active in this guide — batch-specific COA and MSDS included. Technical enquiries answered within 24 hours by formulation-knowledgeable staff.