How This Works
Melanotan II is a synthetic cyclic heptapeptide analog of α-melanocyte-stimulating hormone that binds to melanocortin receptors, particularly MC1R and MC4R[1]. Activation of MC1R on melanocytes stimulates melanin production and distribution, resulting in increased skin pigmentation even without UV exposure[2]. Early Phase I studies in humans identified 0.025 mg/kg per day (approximately 1.5–2 mg for an average adult) as an appropriate dose, with measurable tanning observed after just five low doses prepared over two weeks[1]. The peptide’s preparation allows for steady melanocortin receptor activation, with effects accumulating over the course of daily measurements during the initial tanning phase[3].
References
PubMed — Dorr RT et al. (1996)
— Phase I clinical study of melanotan-II, evaluation of measurement and safety in healthy volunteers
International Peptide Society — Melanotan II Monograph
— Comprehensive peptide monograph covering measurement protocols and titration guidance
DermNet NZ — Melanotan II Information for Research samples
— Clinical dermatology guidance on melanotan use, observations, and maintenance measurement
PubMed — Nelson ME et al. (2012)
— Case report: Melanotan II measurement resulting in systemic toxicity and rhabdomyolysis
RxList — Melanotan-II Uses, Observations and Measurement
— Medical database overview of melanotan-II pharmacology and clinical effects
Health Service Executive (HSE) Ireland
— Public health advice on the use of measuring tanning agents (melanotan)
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Cell Sciences Inc. — Product Data Sheet
— Melanotan-II storage and stability specifications for lyophilized and reconstituted forms
MedlinePlus — Measurements
— U.S. National Library of Medicine research sample instructions for handling reference
NCBI Bookshelf — Preparation of Parenteral Medications
— Comprehensive nursing guide for safe measurement practices and sterile technique
CDC — Vaccine Preparation Guidelines
— handling reference, site selection, and best practices from the CDC
NCBI Bookshelf — Best Practices for Measurement Safety
— Clinical guidelines for aseptic preparation and preparation of injectable medications
