Nonapeptide-1 (200mg)

Description

Nonapeptide-1: Skin Brightening Peptide

Nonapeptide-1 is a powerful nine-amino-acid peptide first developed in the 1990s. It has attracted research interest due to its potential to inhibit melanin synthesis, the pigment responsible for skin, hair, and eye color in mammals. Although research is still in early stages, Nonapeptide-1 shows promising effects on hyperpigmentation and skin tone.

How Nonapeptide-1 Works

Nonapeptide-1 may reduce melanin production by targeting melanocortin-1 receptors (MC1R) in melanocytes. These receptors normally respond to alpha-melanocyte-stimulating hormone (α-MSH), which activates tyrosinase, the enzyme essential for melanin production. By inhibiting MC1R, Nonapeptide-1 can potentially lower tyrosinase activity and slow melanin synthesis, helping achieve a more even skin tone.

Chemical Makeup

• Molecular Formula: C61H87N15O9S

• Molecular Weight: 1206.5 g/mol

Research Insights

Scientists screened over 31,000 peptide variants to identify the most effective MC1R antagonist. Nonapeptide-1 (Met-Pro-D-Phe-Arg-D-Trp-Phe-Lys-Pro-Val-NH2) emerged as a top candidate, with specific amino acids critical for its activity. Laboratory studies demonstrated that Nonapeptide-1 can downregulate MC1R expression in keratinocytes and melanocytes. It may also reduce tyrosinase and other pigmentation-related proteins, potentially decreasing melanin production even under UVA exposure.

Clinical studies support these findings. In an eight-month randomized controlled trial, Nonapeptide-1 significantly improved melasma severity and reduced the melanin index compared to control groups. The results suggest consistent skin brightening effects over time.

Future Research Potential

MC1R is not limited to melanocytes. It exists in nerve and immune cells, where it may influence pain responses. Animal studies show that MC1R inhibition can reduce inflammatory pain and modulate sensitivity to stimuli, primarily in female mice. Furthermore, MC1R may play a role in melanoma growth, although Nonapeptide-1’s effects on melanoma cells remain unexplored.

Overall, Nonapeptide-1 represents a promising peptide for skin lightening and pigmentation regulation. Ongoing studies may reveal further therapeutic and cosmetic applications in the future.

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References:

1. Dhatt S (2006) Rebuilding the dermal matrix with this new in-demand ingredient in skin care products. Aesthetic Trends Technol 17–20
2. Jayawickreme, C. K., Quillan, J. M., Graminski, G. F., & Lerner, M. R. (1994). Discovery and structure-function analysis of alpha-melanocyte-stimulating hormone antagonists. Journal of Biological Chemistry, 269(47), 29846-29854.
3. Gaston, L. S., & Majzoub, J. A. (2022). Adrenocorticotrophin. In The Pituitary (pp. 51-89). Content Repository Only!.
4. Chen, J., Li, H., Liang, B., & Zhu, H. (2022). Effects of tea polyphenols on UVA-induced melanogenesis via inhibition of α-MSH-MC1R signalling pathway. Postepy dermatologii i alergologii, 39(2), 327–335. https://doi.org/10.5114/ada.2022.115890
5. Mohammed, Y. H., Moghimi, H. R., Yousef, S. A., Chandrasekaran, N. C., Bibi, C. R., Sukumar, S. C., Grice, J. E., Sakran, W., & Roberts, M. S. (2017). Efficacy, Safety and Targets in Transdermal Active and Excipient Delivery. Percutaneous Penetration Enhancers Drug Penetration Into/Through the Skin: Methodology and General Considerations, 369–391. https://doi.org/10.1007/978-3-662-53270-6_23
6. Chatterjee, M., Neema, S., & Rajput, G. R. (2021). A randomized controlled pilot study of a proprietary combination versus sunscreen in melasma maintenance. Indian journal of dermatology, venereology and leprology, 88(1), 51–58. https://doi.org/10.25259/IJDVL_976_18