Adamax vs Pentapeptide-18
Side-by-side comparison of key properties, dosing, and research.
Cognitive Enhancement
AdamaxSkin & CosmeticAnti-Aging & Longevity
Pentapeptide-18- Summary
- Adamax is a synthetic neuropeptide related to brain-derived neurotrophic factor (BDNF) signaling pathways. It is explored for cognitive enhancement, neuroprotection, and mood support, with proposed mechanisms involving TrkB receptor activation and enhancement of neuroplasticity similar to endogenous BDNF.
- Pentapeptide-18 (Leuphasyl) is a synthetic pentapeptide that mimics the sequence of enkephalin, an endogenous neuropeptide. It acts on neuronal pain receptors in facial muscles to reduce muscle contraction intensity and depth of expression lines, functioning similarly to Argireline (Acetyl Hexapeptide-3) but via a different receptor mechanism.
- Half-Life
- Estimated 1-3 hours (short; peptide degradation)
- Not applicable (topical)
- Admin Route
- Subcutaneous, Intranasal (research)
- Topical
- Research
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- Typical Dose
- 200-400 mcg per dose
- 0.005–0.05% in formulation
- Frequency
- Once daily or every other day
- Twice daily
- Key Benefits
- Proposed enhancement of learning and memory consolidation
- Neuroprotective via BDNF-TrkB pathway support
- May improve mood and resilience to stress
- Potential support for neurogenesis
- Cognitive clarity and focus enhancement (reported anecdotally)
- Explored for neurodegeneration and age-related cognitive decline
- Reduces depth of expression lines (forehead, crow's feet, glabellar)
- Inhibits acetylcholine release for muscle-relaxing effect
- Complementary mechanism to Argireline for enhanced anti-wrinkle activity
- Reversible and well-tolerated
- No risk of systemic paralysis at cosmetic concentrations
- Suitable for daily use in serums and creams
- Side Effects
- Limited human safety data; largely anecdotal reports
- Possible headache or mild overstimulation
- Sleep disruption with late-day dosing
- Unknown long-term safety profile
- Generally very well-tolerated topically
- Rare skin sensitivity or mild irritation
- Theoretical opioid receptor desensitization with very prolonged high-dose use (not documented cosmetically)
- Stacks With
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