Gamma-MSH vs Tetracosactide
Head-to-head comparison of Gamma-MSH (Gamma-Melanocyte-Stimulating Hormone) and Tetracosactide (Tetracosactide (ACTH 1-24, Cosyntropin)) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Gamma-MSH | Tetracosactide |
|---|---|---|
| Category | Skin & Cosmetic | Skin & Cosmetic |
| Full Name | Gamma-Melanocyte-Stimulating Hormone | Tetracosactide (ACTH 1-24, Cosyntropin) |
| Molecular Weight | N/A | 2933 Da |
| Half-Life | Minutes | ~15 minutes |
| Amino Acids | 12 | 24 |
| Typical Dose | 10–500 nM | 10–1000 nM |
| Route | In vitro / ex vivo | In vitro / ex vivo |
| Purity | ≥98% | ≥98% |
| Studies Count | 45 | 220 |
| Research Status | Pre-clinical | Clinical/Pre-clinical |
Gamma-MSH Benefits
- ✓Melanocortin signaling
- ✓Pigment-pathway research
- ✓May modulate melanocyte activity
- ✓Useful for UV-response studies
Tetracosactide Benefits
- ✓Melanocortin receptor activation
- ✓Supports melanocyte research assays
- ✓Useful for adrenal-axis studies
- ✓Can inform pigmentation models
Gamma-MSH Dosing
10 nM exposure|100 nM exposure|1 uM exposure
Tetracosactide Dosing
10 nM exposure|100 nM exposure|1 uM exposure
Gamma-MSH Side Effects
- ⚠Short peptide half-life
- ⚠Receptor promiscuity
- ⚠Limited metabolic stability
Tetracosactide Side Effects
- ⚠Endocrine activity in vivo
- ⚠Transient membrane stress
- ⚠Peptide instability
Research Overview
Gamma-MSH
Gamma-MSH has been investigated as part of the broader melanocortin network that regulates pigmentation. Evidence suggests it can contribute to melanocyte signaling, though its cosmetic use remains experimental.
Tetracosactide
Tetracosactide is the synthetic ACTH(1-24) fragment and is commonly used to probe melanocortin receptor signaling. Its melanogenic relevance comes from the same N-terminal motif that drives ACTH-related pigmentation effects.
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