Palmitoyl Dipeptide-6 vs Humanin
Side-by-side comparison of key properties, dosing, and research.
Skin & CosmeticAnti-Aging & Longevity
Palmitoyl Dipeptide-6Anti-Aging & Longevity
Humanin- Summary
- Palmitoyl Dipeptide-6 is a synthetic dipeptide (lysine-threonine) with a palmitoyl fatty acid tail, designed to penetrate the skin barrier and stimulate the extracellular matrix components essential for skin firmness. It activates fibronectin and type IV collagen synthesis, improving skin density and firmness particularly in mature or sagging skin.
- Humanin is a mitochondria-derived peptide (MDP) encoded in the 16S rRNA region of the mitochondrial genome. It protects neurons and other cells from apoptosis, improves insulin sensitivity, and declines significantly with age. HNG (S14G-Humanin) is a synthetic analog with 1000x greater potency.
- Half-Life
- Not applicable (topical)
- ~4–8 hours (HNG)
- Admin Route
- Topical
- SubQ
- Research
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- Typical Dose
- 0.005–0.05% in formulation
- 2–8 mg
- Frequency
- Once or twice daily
- 3–5 times per week
- Key Benefits
- Increases skin firmness and density
- Stimulates fibronectin and collagen IV production
- Strengthens the dermal-epidermal junction
- Reduces skin sagging in mature skin
- Improves skin texture and smoothness
- Supports extracellular matrix integrity
- Neuroprotection against amyloid-beta toxicity (Alzheimer's relevance)
- Inhibits cellular apoptosis
- Improves insulin sensitivity
- Reduces cardiovascular risk markers
- Anti-inflammatory effects
- Correlates with longevity in centenarian studies
- Protects against ischemic injury
- Potential cancer cell apoptosis sensitization
- Side Effects
- Generally well-tolerated
- Rare mild skin irritation in sensitive individuals
- No known systemic effects at cosmetic concentrations
- Injection site irritation
- Limited human safety data available
- Stacks With
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