{"title":"Melanin","description":"\u003ch1 class=\"p1\"\u003ePeptides related to melanin and libido\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003ehave been discussed in scientific literature in connection with processes such as skin pigmentation, neurohormonal regulation, and mechanisms related to sexual function.\u003c\/p\u003e","products":[{"product_id":"melanotan-ii","title":"Melanotan I 10mg","description":"\u003ch1\u003eWhat is Melanotan I?\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003eMelanotan I is a synthetic peptide from the melanocortin group, representing a linear tridecapeptide and an analogue of α-MSH (α-Melanocyte-Stimulating Hormone). In scientific literature, it has been primarily investigated 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 toward 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 has been used to study pathways related to skin pigmentation, photoprotective mechanisms, and the response to UV radiation. Subsequently, interest in the peptide has included research into its effects on oxidative stress, inflammatory processes in the skin, and overall phototolerance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch2\u003eObservations for Melanotan I\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn scientific research, Melanotan I has been studied in connection with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eStimulation of melanogenesis – activation of MC1R in melanocytes and increased eumelanin synthesis\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\"\u003eImprovement of phototolerance in models with increased sensitivity to sunlight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eInvestigation of 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 pigmentation uniformity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eAdministration and Dosage\u003c\/h2\u003e\n\u003cp\u003eIn scientific literature, cited research dosage regimens vary depending on the model (in vitro, animal, or human studies) and the purpose of the study. With subcutaneous administration in a research setting, doses are usually titrated gradually to assess the dynamics of pigmentation and tolerability.\u003c\/p\u003e\n\u003cp\u003eFor 10 mg + 3 ml bacteriostatic water:\u003c\/p\u003e\n\u003cp\u003eConcentration = 3.3 mg\/ml → 0.075 ml ≈ 250 μg\u003c\/p\u003e\n\u003cp\u003eExample calculated values for laboratory purposes:\u003c\/p\u003e\n\u003cp\u003e0.075 ml ≈ 250 μg\u003c\/p\u003e\n\u003cp\u003e0.15 ml ≈ 500 μg\u003c\/p\u003e\n\u003cp\u003e0.3 ml ≈ 1000 μg\u003c\/p\u003e\n\u003cp\u003eSpecific administration schemes in scientific settings are determined according to the protocol design, the type of model, and the research objectives.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eScientific Data\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eMelanotan I has been studied in preclinical and limited clinical trials, 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 models studied\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eIn animal models, reduced damage from UV radiation and faster skin recovery after exposure are described\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eIn limited human studies, skin darkening and increased phototolerance have been reported\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 have been observed for a certain period after cessation of administration in research settings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003ePossible Side Effects\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn scientific literature, Melanotan I is generally well tolerated, but transient, dose-dependent reactions may occur:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eFacial flushing or a sensation 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 of fatigue in 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 cessation of administration in research settings. Serious adverse reactions are rarely described within the published doses, but long-term safety and effects on skin lesions remain subject to further study.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003e This information is based on scientific publications and is purely educational in nature. It is not intended for the diagnosis, treatment, or prevention of diseases and does not constitute medical advice. \u003c\/em\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"10mg","offer_id":53386106405207,"sku":"PP-MELANOTAN1-10MG","price":49.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/8902\/6135\/files\/melanotan-melanotan-ibr10mg-5045985_126df4ad-dfbe-4a5d-bbfd-ebb109b1f6e7.png?v=1779544817"},{"product_id":"pt-141","title":"PT-141 10mg","description":"\u003ch1\u003eWhat is PT-141 (Bremelanotide)?\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003ePT-141, also known as Bremelanotide, is a synthetic peptide from the melanocortin agonist group, developed as an analogue of α-MSH (α-Melanocyte-Stimulating Hormone). In studies, activation of the melanocortin receptors MC3R and MC4R has been observed in the central nervous system, which is associated with the 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 the neuromodulation of sexual behavior, vasodilation, and the hypothalamic-pituitary axis, as well as for its potential connection to libido and mood.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eObservations for PT-141\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn 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 - influence on 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 sexual organs\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 adaptation to stress and central fatigue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eScientific Data\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003ePT-141 has been studied in preclinical and limited clinical models for its effects on sexual responsiveness 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 living 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\"\u003eIn human studies, increased sexual interest and arousal have been observed\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\"\u003eIs 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\u003eAdministration and Dosage\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eIn scientific literature, PT-141 doses between 500 and 2000 μg are typically cited, administered subcutaneously, depending on the research model. Due to its central action, effects occur relatively quickly – within 30 to 120 minutes. Studies use both single applications and short series.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eWith 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\u003ePossible Side Effects\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIn research settings, PT-141 is considered well-tolerated.\u003c\/span\u003e In published studies, mild and transient reactions have been reported, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eslight 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 slight drowsiness after application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eMost reactions are described as transient, dose-dependent, and resolving within a few hours. No serious adverse effects have been reported at research concentrations.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003eThe information is based on scientific publications and is purely educational. It is not intended for the diagnosis, treatment, or prevention of diseases.\u003c\/em\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"10mg","offer_id":53386106700119,"sku":"PP-PT141-10MG","price":49.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/8902\/6135\/files\/pt-141-bremelanotidebr10mg-1779039_15608a5c-ae64-4a4b-ab7b-74fb471475a2.png?v=1779544818"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/8902\/6135\/collections\/melanin-2420930_72090954-ce44-49d8-b3a6-5c15f36c07f3.jpg?v=1779544792","url":"https:\/\/purepeptide.eu\/collections\/melanin-i-libido.oembed","provider":"PurePeptide","version":"1.0","type":"link"}