CJC-1295 vs Nonapeptide-1
Side-by-side comparison of key properties, dosing, and research.
Growth Hormone Peptides
CJC-1295Skin & Cosmetic
Nonapeptide-1- Summary
- CJC-1295 is a synthetic GHRH analog that stimulates the pituitary gland to produce and release growth hormone. The DAC (Drug Affinity Complex) version has a markedly extended half-life. The No DAC version (Modified GRF 1-29) preserves natural pulsatile GH release and is preferred in most protocols.
- Nonapeptide-1 is a synthetic 9-amino acid peptide that inhibits melanin production by blocking α-MSH (alpha-melanocyte stimulating hormone) receptor binding. Used in cosmetic formulations for skin lightening and evening skin tone, it is particularly effective for UV-induced and hormonal hyperpigmentation.
- Half-Life
- ~30 minutes (No DAC) / 6–8 days (with DAC)
- Not applicable (topical)
- Admin Route
- SubQ
- Topical
- Research
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- Typical Dose
- 100 mcg
- 0.05–0.5% concentration in formulation
- Frequency
- Once daily, before bed
- Twice daily
- Key Benefits
- Sustained increase in growth hormone levels
- Enhanced muscle growth and strength
- Improved fat metabolism and body composition
- Better recovery and tissue repair
- Increased bone density
- Enhanced immune function
- Improved skin quality and collagen production
- Synergistic GH release when combined with GHRPs like Ipamorelin
- Inhibits UV-induced tanning and hyperpigmentation
- Reduces hormonal melasma
- Evens skin tone at receptor level
- Well-tolerated with minimal irritation
- Complementary to tyrosinase inhibitors for enhanced brightening
- Reduces post-inflammatory hyperpigmentation
- Side Effects
- Water retention / puffiness
- Carpal tunnel syndrome (with prolonged use)
- Injection site irritation
- Hunger increase (minor)
- +1 more
- Generally very well-tolerated
- Rare contact sensitivity in susceptible individuals
- Theoretical risk of excessive depigmentation with prolonged high-concentration use
- Stacks With
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