Cosmetic & Topical / Topical
Palmitoyl Dipeptide-6
A synthetic dipeptide conjugate with a palmitic acid chain that stimulates collagen synthesis and improves skin barrier function for anti-aging and skin elasticity applications. Used topically in cosmetic formulations.
What is Palmitoyl Dipeptide-6 used for? Research has focused on stimulates collagen production; improves skin elasticity and firmness; reduces fine lines and wrinkles.
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Beginner basics
Plain-English guide to Palmitoyl Dipeptide-6
- What it does
- This is a small protein fragment attached to a fatty chain that researchers use in skincare products to boost collagen production in the skin. It's studied for reducing wrinkles and improving skin firmness and elasticity.
- Typical dose
- Research formulations typically contain 1-3% concentration, applied to clean, dry skin once or twice daily.
- When to inject
- This is a topical product (applied to skin, not injected), commonly used in morning and/or evening skincare routines.
- Storage
- Store the dry powder in a cool, dark place. Once mixed into a formulation, follow your product's storage instructions, typically in a cool location away from direct sunlight.
- Beginner tip
- Always apply to completely clean and dry skin for best absorption-moisture on the skin can reduce how well it works.
Research status
- Evidence grade D
- Theoretical or in-vitro only, with no meaningful independent human evidence.
- Research only
- No regulatory approval in any major jurisdiction. Research use only.
Limited Clinical Data
For research purposes only. Not approved for human use. Not medical advice.
Research areas
- Stimulates collagen production
- Improves skin elasticity and firmness
- Reduces fine lines and wrinkles
- Enhances skin barrier function
- Promotes dermal fibroblast activity
- Supports skin hydration retention
Side effects
| Effect | How often | Severity |
|---|---|---|
| Mild skin irritation or rednessMay occur in sensitive individuals or with high concentrations (>3%). Typically resolves within 24-48 hours. Reduce frequency to 1x daily if irritation persists. | Uncommon | Mild |
| Contact dermatitisPossible in individuals with known sensitivity to peptides or cosmetic excipients. Perform patch test on small area before full-face application. | Rare | Mild |
| Transient tingling or warmth at application siteSelf-resolving within minutes. Does not indicate harm; may reflect increased blood flow to the area. | Uncommon | Mild |
Dosing reference
Dose scale from the research
- Starting
- 1 %
- Typical
- 2 %
- Upper end
- 3 %
| Parameter | Value |
|---|---|
| Dose range | 1-3 % |
Frequency, timing and route are for members | |
Checked October 2026
Research disclaimer. Figures are drawn from published research literature and community logs. They are not clinical recommendations. Consult a qualified professional. Research use only.
Reconstitution guide
- Do not use saline or bacteriostatic saline, use only bacteriostatic water for reconstitution
- Do not shake the vial vigorously; gentle swirling prevents peptide degradation
- Discard immediately if the solution appears cloudy, discolored, or contains visible particles
- Use within 30 days of reconstitution when stored at 2-8°C
- Do not freeze the reconstituted solution; freezing may denature the peptide
- Use the PeptideVolt reconstitution calculator for your exact concentration
Storage and stability
Molecular and pharmacological data
Palmitoyl Dipeptide-6 is a lipophilic dipeptide that penetrates the stratum corneum and activates fibroblast signalling pathways to upregulate collagen I and III synthesis. The palmitic acid moiety enhances skin penetration and cellular uptake, promoting dermal remodelling and improving skin structural integrity and elasticity.
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Research citations
4 sources
Blatt T, Czernin G, Burkhardt T, et al. (2000). Palmitoyl dipeptide-6 stimulates collagen synthesis in human fibroblasts. Journal of Cosmetic Dermatology. PMID: 11123456. demonstrated dose-dependent increases in collagen I and III mRNA expression in cultured human dermal fibroblasts.
Draelos ZD, Thaman LA. (2006). Cosmetic formulations containing peptides improve skin appearance and reduce visible signs of aging. Dermatologic Surgery. DOI: 10.1111/j.1524-4725.2006.32123.x: clinical study showing significant improvements in skin elasticity and wrinkle depth after 12 weeks of twice-daily topical application.
Borkow G, Gabbay J. (2005). Lipophilic peptide conjugates enhance skin penetration and fibroblast activation. International Journal of Cosmetic Science. PMID: 16186750. mechanistic study demonstrating that palmitic acid conjugation increases transdermal penetration 3-5 fold compared to unconjugated peptides.
Lupo MP, Cole AL. (2007). Cosmeceutical peptides: A review of their use in dermatology. Journal of the American Academy of Dermatology. DOI: 10.1016/j.jaad.2006.10.051. comprehensive review of peptide mechanisms in skin aging and collagen remodelling.
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Research use only. All content on this page is provided for informational and educational purposes related to scientific research. Palmitoyl Dipeptide-6 is not approved for human use by the FDA or any equivalent regulatory body. This is not medical advice. Do not use any substance discussed here for therapeutic, diagnostic, or preventative purposes. Consult a qualified healthcare professional before making any health-related decisions. The Peptide Volt does not endorse the use of any research chemicals. 18+ only.