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Leuphasyl vs Hexarelin

A detailed comparison to help you understand the differences and choose the right peptide for your research goals.

Leuphasyl

Leuphasyl (Pentapeptide-18) is a cosmetic peptide that reduces muscle tension through a mechanism similar to enkephalins. Often combined with Syn-Ake for enhanced anti-wrinkle effects.

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Hexarelin

Hexarelin is a potent synthetic hexapeptide growth hormone secretagogue. It provides the strongest GH release among GHRPs but is associated with rapid desensitization of receptors.

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Side-by-Side Comparison

AspectLeuphasylHexarelin
MechanismMimics enkephalin and binds to enkephalin receptors on muscle cells, reducing acetylcholine release and thereby decreasing muscle contraction intensity.Acts as a ghrelin mimetic with high potency at the GHS receptor. Provides powerful GH release but receptor desensitization occurs faster than with other GHRPs, requiring cycling.
Typical DosageTopical: 3-8% concentration in serums. Often used in combination products with other muscle-relaxing peptides.Typical dosing: 100-200mcg administered 2-3 times daily for 4-6 weeks, followed by an equal off period to allow receptor resensitization.
AdministrationTopical application to expression lines. Best results with consistent twice-daily use over 8+ weeks.Subcutaneous injection. Cycling is essential to maintain effectiveness. Often used in short bursts rather than continuous protocols.
Side EffectsVery well-tolerated topically. No significant adverse effects reported at cosmetic concentrations.Water retention, cortisol and prolactin increase, hunger (moderate), tingling, and potential blood pressure effects.
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Key Differences

Unique to Leuphasyl:

Unique to Hexarelin:

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