{"title":"Melanin","description":"\u003ch1 class=\"p1\"\u003ePeptides with effects on melanin and libido\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003e have been studied for their role in stimulating natural complexion and supporting sexual function by influencing neurohormonal pathways.\u003c\/p\u003e","products":[{"product_id":"melanotan-ii","title":"Melanotan I 10mg","description":"\u003ch1\u003e\u003cstrong\u003eWhat is Melanotan I?\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003eMelanotan I (afamelanotide) is a synthetic peptide of the melanocortin group, a linear tridecapeptide and an analogue of α-MSH (α-Melanocyte-Stimulating Hormone). It has been studied in the scientific literature primarily for its potential role in stimulating melanogenesis, photoprotection and modulating skin pigmentation. The peptide acts primarily by activating the melanocortin receptor MC1R, with more limited activity towards other melanocortin receptors.\u003c\/p\u003e\n\u003c!-- Изображение --\u003e\n\u003cp class=\"p1\"\u003eOriginally developed as a research analogue of endogenous α-MSH, Melanotan I was used to study pathways involved in skin pigmentation, photoprotection mechanisms, and UV response. Interest in the peptide has subsequently expanded to include studies of its effects on oxidative stress, skin inflammation, and general phototolerance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eObservations on Melanotan I\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn scientific research, Melanotan I has been studied in relation to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eStimulation of melanogenesis – activation of MC1R in melanocytes and increased synthesis of eumelanin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ePhotoprotection – potential protective effect against UV-induced skin damage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eImproving phototolerance in models with increased sensitivity to sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eStudy of the effects on oxidative stress and inflammatory mediators in the skin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eModulation of skin tone and evenness of pigmentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eScientific data\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eMelanotan I has been studied in preclinical and limited clinical studies, with a specific focus on pigmentation and photoprotective effects.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ePrimarily activates MC1R, leading to increased eumelanin synthesis and a darker phototype in the studied models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eAnimal models describe reduced damage from UV radiation and faster skin recovery after exposure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eSkin darkening and increased photosensitivity have been reported in limited human studies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eIts action is not associated with a significant increase in GH or IGF-1 – the effects are independent of growth hormone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eStable pigmentation levels were observed for a period after completion of application in research settings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDosage and administration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn the scientific literature, research dose regimens cited vary depending on the model (in vitro, animal, or human studies) and the purpose of the study. When administered subcutaneously in a research setting, doses are typically titrated gradually to assess the dynamics of pigmentation and tolerability.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eAt 10 mg + 3 ml bacteriostatic water:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eConcentration = 3.3 mg\/ml → 0.075 ml ≈ 250 μg\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eExample calculation values for laboratory purposes:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.075 ml ≈ 250 μg\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.15 ml ≈ 500 μg\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.3 ml ≈ 1000 μg\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe specific schemes for application in scientific settings are determined by the design of the protocol, the type of model, and the objectives of the study.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePossible side effects\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn research settings, Melanotan I is generally well tolerated, but transient reactions that are dose-dependent may be observed:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eFacial flushing or feeling of warmth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eMild nausea or temporary stomach discomfort\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eHeadache or feeling tired on some models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eIncreased skin pigmentation and darkening of existing moles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThe effects are usually reversible and resolve after discontinuation of administration in research settings. Serious adverse reactions have been rarely described within the published doses, but long-term safety and effects on skin lesions remain the subject of further studies.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003eThe information is based on scientific publications and is purely educational in nature. It is not intended to diagnose, treat or prevent disease and does not constitute medical advice.\u003c\/em\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"10mg","offer_id":56381870014838,"sku":"PP-MELANOTAN1-10MG","price":49.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/8965\/0294\/files\/melanotan-melanotan-ibr10mg-5045985.png?v=1760887999"},{"product_id":"pt-141","title":"PT-141 (Bremelanotide)\u003cbr\u003e 10mg","description":"\u003ch1\u003e\u003cstrong\u003eWhat is PT-141 (Bremelanotide)?\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003ePT-141, also known as Bremelanotide, is a synthetic peptide from the group of melanocortin agonists, developed as an analogue of α-MSH (α-Melanocyte-Stimulating Hormone). In\u003cb\u003e\u0026nbsp;\u003c\/b\u003eStudies have observed activation of the melanocortin receptors MC3R and MC4R in the central nervous system, which is associated with regulation of sexual function, energy balance, and neuroendocrine response.\u003c\/p\u003e\n\u003c!-- Изображение --\u003e\n\u003cp class=\"p1\"\u003ePT-141 differs from Melanotan II in that it primarily targets central neuroregulation rather than peripheral effects such as melanogenesis. In research settings, it has been used as a model to study neuromodulation of sexual behavior, vasodilation, and the hypothalamic-pituitary axis, as well as a potential link to libido and mood.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eObservations on PT-141\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn the scientific literature, PT-141 has been studied in relation to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eRegulation of sexual function - activation of MC4R in the central nervous system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eNeuromodulation of libido - influencing dopamine and endorphin pathways\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eEffect on vasodilation and blood flow in the genitals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eRegulation of energy balance and appetite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eStudies of the melanocortin system and its interaction with other neurotransmitters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ePotential role in stress adaptation and central fatigue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eScientific data\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003ePT-141 has been studied in preclinical and limited clinical models for its effects on sexual reactivity and neurochemical mechanisms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eActivates MC3R and MC4R receptors, leading to stimulation of neuronal pathways associated with libido\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eIn live models it has shown improved sexual motivation and frequency of copulatory behaviors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eIncreased sexual interest and arousal observed in human studies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eDoes not directly affect the cardiovascular system or the hormonal levels of GH and IGF-1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eIt is being studied as a potential neuromodulator of the hypothalamic-pituitary axis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDosage and administration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe scientific literature on PT-141 typically cites doses between 500 and 2000 μg administered subcutaneously, depending on the study design. Due to its central action, effects occur relatively quickly, within 30 to 120 minutes. Studies have used both single applications and short series.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eAt 10 mg + 3 ml bacteriostatic water:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eConcentration = 3.3 mg\/ml → 0.15 ml = 500 μg\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eExample values:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.15 ml = 500 μg\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.30 ml = 1 mg\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.45 ml = 1.5 mg\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e0.60 ml = 2 mg\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePossible side effects\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIn research settings, PT-141 is considered well tolerated.\u003c\/span\u003e Mild and transient reactions have been reported in published studies, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003emild nausea or dizziness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003etransient increase in blood pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003efacial flushing or feeling of warmth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003echanges in sexual motivation in experimental models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003efatigue or mild drowsiness after application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eMost reactions were described as transient, dose-dependent, and resolved within a few hours. No serious adverse effects were reported at study concentrations.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003eThe information is based on scientific publications and is purely educational in nature. It is not intended for the diagnosis, treatment or prevention of disease.\u003c\/em\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"10mg","offer_id":56381873226102,"sku":"PP-PT141-10MG","price":49.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/8965\/0294\/files\/pt-141-bremelanotidebr10mg-1779039.png?v=1760887997"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/8965\/0294\/collections\/melanin-2420930.png?v=1760887938","url":"https:\/\/purepeptide-labs.com\/collections\/melanin-and-libido.oembed","provider":"PurePeptide","version":"1.0","type":"link"}