Source comparison
Melanotan-2 vs Melanotan-1 vs Natural UV Tanning
Mechanism MC1R + MC4R agonist Selective MC1R agonist UV-B triggers melanocyte activity via p53 pathway Tanning Timeline Visible pigmentation in 5–7 days 7–10 days 3–5 days of repeated UV exposure Sexual Side Effects Pronounced (MC4R activation) Minimal to none
This comparison does not assign a generated winner or score.
- Mechanism
- MC1R + MC4R agonist
- Selective MC1R agonist
- UV-B triggers melanocyte activity via p53 pathway
- Tanning Timeline
- Visible pigmentation in 5–7 days
- 7–10 days
- 3–5 days of repeated UV exposure
- Sexual Side Effects
- Pronounced (MC4R activation)
- Minimal to none
- None
- Nausea Incidence
- 40–60% initially
- 10–15%
- UV Exposure Required
- None (works without sun)
- Continuous exposure required
- Melanoma Risk
- Stimulates existing melanocytes; contraindicated if history present
- Same as MT-2
- Direct DNA damage increases melanoma risk
- FDA Approval Status
- Not approved
- FDA-approved for erythropoietic protoporphyria only
- N/A
- Professional Assessment
- Fastest tanning mechanism but nonselective receptor activity creates sexual and cardiovascular effects many users don't anticipate
- Safer receptor profile but slower onset and requires prescription access
- Free but cumulative UV damage outweighs cosmetic benefit long-term