Melanotan I
Melanotan I is a synthetic peptide being studied for its ability to stimulate the body’s natural melanin production, which may increase skin pigmentation and provide some protection against ultraviolet (UV) radiation. It was originally developed as a potential treatment for people with photosensitivity disorders and has been researched for its role in pigmentation and sun tolerance.
How It Works
Melanotan I is an analog of alpha-melanocyte-stimulating hormone (α-MSH), a natural hormone that regulates melanin production in the skin.
It works by activating the melanocortin-1 receptor (MC1R) in melanocytes, the cells responsible for producing pigment.
When this receptor is activated:
• The body increases melanin production
• Skin may develop darker pigmentation over time
• The additional melanin may provide some protection against UV radiation
Because it mimics a natural hormone pathway, Melanotan I essentially signals the skin to produce more of its own protective pigment.
In research studies, Melanotan I was investigated for conditions such as erythropoietic protoporphyria (EPP), where patients experience severe pain from sunlight exposure.
The peptide itself has a relatively shorter active window, which is why injections in research protocols are typically administered daily.
Compare to Melanotan II
Melanotan II
Melanotan II is a related peptide but has broader receptor activity, which leads to additional systemic effects.
Melanotan I
Activates mainly MC1R
Focuses primarily on melanin production and skin pigmentation
Developed for photoprotection and photosensitivity disorders
Typically associated with fewer systemic effects
Melanotan II
Activates multiple melanocortin receptors
Can influence pigmentation, libido, appetite, and other pathways
Often produces stronger side effects such as nausea or flushing
Because of its more targeted receptor activity, Melanotan I is considered more selective for skin pigmentation pathways.
Potential Benefits & Side Effects
Potential Benefits
• Increased skin pigmentation: May darken skin gradually by increasing melanin production
• Improved sun tolerance: Higher melanin levels may help reduce UV sensitivity
• Research for photosensitivity disorders: Studied for conditions like EPP
• Gradual tanning response: Pigmentation typically develops progressively over several days to weeks
Common Side Effects
• Mild nausea or flushing, especially during early dosing
• Skin darkening or freckle pigmentation changes
• Injection site reactions such as mild redness or swelling
• Fatigue or headache in some individuals
Side effects in research settings are generally reported as mild and temporary, particularly when dosing begins at lower levels.
Dosage Guide
10mg: https://intercom.help/bio-hack-lab-help-center/en/articles/14054067-mt-1-10mg-vial-dosage-guide
Disclaimer
All peptide products sold on this website are for research, laboratory, and educational purposes only. They are not approved by the FDA or Health Canada, are not intended for human consumption, and should not be used for medical, cosmetic, or therapeutic purposes unless specifically prescribed by a licensed healthcare professional.
The information provided on this site is for informational and educational purposes only and does not constitute medical advice. Product descriptions, protocols, or references are not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before beginning any new protocol, supplement, or treatment.
By purchasing from this website, you acknowledge and agree to use these products responsibly and in accordance with all applicable laws and guidelines.