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Writer's pictureBecky Halls

The Power of Bioactive Peptides

Hey all! 🌟 The sun is shining here today and I'm all about the natural look - makeup free, a sunkissed glow, and most importantly, radiant youthful skin. Even at the age of ahem... 41 years I can still boast about good skin and a lot of that is thanks to the bioactive peptides I use in my skincare regime. Bioactive peptides have an incredible impact on skin health and longevity and for good reason. These tiny molecules are making waves in the beauty and wellness industry, so let's explore how you can incorporate them into your skincare routine for radiant, youthful skin.



What Are Bioactive Peptides?


Bioactive peptides are short chains of amino acids derived from dietary proteins. These peptides are released during protein digestion and can interact with specific receptors in the body to exert various beneficial effects. Unlike larger proteins, peptides can easily penetrate the skin and cellular barriers, making them highly effective for targeted treatments.


the power of bioactive peptides shown as amino acids strung together

The Importance of Bioactive Peptides in Skin Health


Bioactive peptides play a crucial role in maintaining and improving skin health. Here are some key benefits:


1. Stimulating Collagen Production: Collagen is essential for maintaining skin's elasticity and firmness. Bioactive peptides can stimulate fibroblasts, the cells responsible for collagen production, helping to reduce wrinkles and improve skin texture. Scientific studies have shown that peptides like palmitoyl pentapeptide-4 can significantly increase collagen synthesis in the skin.


2. Enhancing Skin Barrier Function: The skin barrier protects against environmental damage and retains moisture. Peptides can strengthen this barrier, making the skin more resilient and hydrated. For instance, acetyl hexapeptide-37 has been found to enhance the water channel proteins in the skin, improving hydration and barrier function.


3. Reducing Inflammation: Inflammatory responses can lead to skin aging and damage. Certain bioactive peptides have anti-inflammatory properties that can soothe and calm the skin. Research indicates that peptides like palmitoyl tetrapeptide-7 can reduce the production of pro-inflammatory cytokines, thereby reducing skin inflammation.


4. Promoting Wound Healing: Bioactive peptides can accelerate the skin's healing process by promoting cell regeneration and repair. Studies on peptides such as copper tripeptide-1 have shown their effectiveness in enhancing wound healing and tissue regeneration.


5. Antioxidant Properties: Peptides can neutralize free radicals, reducing oxidative stress and preventing premature aging. Antioxidant peptides like glutathione tripeptide are known for their ability to protect skin cells from oxidative damage.



a woman using a peptide face mask

Incorporating Bioactive Peptides into Skincare Products


Bioactive peptides are incorporated into various skincare products, including serums, creams, and masks. Here's how they're used:


  • Peptide Serums: These are concentrated formulas that deliver high levels of peptides directly to the skin. Serums are typically applied after cleansing and before moisturizing. They are designed to penetrate deeply and provide targeted benefits such as collagen stimulation and skin hydration.


  • Peptide Creams: These creams combine peptides with hydrating and nourishing ingredients to provide comprehensive skincare benefits. Peptide creams are ideal for daily use and help in maintaining skin firmness and elasticity. They also provide a protective barrier to lock in moisture.


  • Peptide Masks: Masks infused with peptides offer an intensive treatment, providing immediate and noticeable effects. These masks often include other beneficial ingredients such as hyaluronic acid and antioxidants, making them perfect for a weekly skincare boost.


  • Eye Creams: Peptides in eye creams can reduce puffiness, dark circles, and fine lines, making the delicate skin around the eyes look more youthful. Peptides like dipeptide-2 and tetrapeptide-5 are commonly used in eye creams for their anti-edema and anti-dark circle properties.


  • Cleansers and Toners: Some cleansers and toners include peptides to provide a gentle yet effective skincare routine that supports skin health from the first step. These products can help prepare the skin for better absorption of other peptide-rich treatments.


My Top 5 Peptide Skin Products


To help you incorporate bioactive peptides into your skincare routine, here are five highly-rated peptide products that can transform your skin:


  1. The Ordinary "Buffet" + Copper Peptides 1%

    • Overview: This serum combines multiple peptides, including copper peptides, which are known for their anti-aging benefits. I have been using this for the last year and LOVE it! It's super affordable too!

    • Benefits:

      • Stimulates Collagen Production: Promotes firmer, more elastic skin.

      • Reduces Fine Lines and Wrinkles: Improves skin texture and smoothness.

      • Enhances Skin Barrier: Strengthens and protects the skin.

    • How to Use: Apply a few drops to the entire face in the morning and evening after cleansing.

    • Price: $28.90

    • Link: The Ordinary "Buffet" + Copper Peptides 1%


  2. Olay Regenerist Micro-Sculpting Cream

    • Overview: This cream is infused with amino-peptides and hyaluronic acid to hydrate and plump the skin. I have also tried this one and had good results. The only reason I haven't continued with it is because I found something better (but more expensive) so for the price this product is brilliant.

    • Benefits:

      • Deep Hydration: Provides intense moisture for a more radiant complexion.

      • Reduces Wrinkles: Visibly diminishes the appearance of fine lines.

      • Improves Elasticity: Enhances skin firmness and elasticity.

    • How to Use: Apply to the face and neck twice daily after cleansing and serum.

    • Price: $28.99

    • Link: Olay Regenerist Micro-Sculpting Cream


  3. SkinCeuticals A.G.E. Interrupter

    • Overview: This treatment cream is formulated with peptides, blueberry extract, and proxylane to address visible signs of aging.

    • Benefits:

      • Fights Glycation: Prevents and corrects the loss of elasticity caused by advanced glycation end-products (A.G.E.).

      • Reduces Wrinkles: Softens the appearance of deep lines and wrinkles.

      • Restores Firmness: Improves skin density and firmness.

    • How to Use: Massage a thin, even layer onto the entire face, neck, and chest twice daily.

    • Price: $112.00

    • Link: SkinCeuticals A.G.E. Interrupter


  4. Neocutis Lumiere Firm Riche Extra Moisturizing Illuminating & Tightening Eye Cream

    • Overview: This rich eye cream combines growth factors and peptides to rejuvenate the eye area.

    • Benefits:

      • Reduces Puffiness: Minimizes under-eye bags and puffiness.

      • Brightens Dark Circles: Lightens the appearance of dark circles.

      • Smoothes Fine Lines: Reduces the look of crow’s feet and fine lines.

    • How to Use: Apply morning and evening to the skin surrounding the eyes.

    • Price: $108.00

    • Link: Neocutis Lumiere Firm Riche Eye Cream


  5. Algenist Genius Liquid Collagen

    • Overview: This serum contains collagen and microalgae oil, delivering a high concentration of active ingredients to the skin. This product looks lush and has had amazing reviews - I'm looking forward to trying it soon but if anyone has tried it already please leave a comment below letting me know what you thought!

    • Benefits:

      • Boosts Collagen Levels: Increases skin’s natural collagen production.

      • Improves Skin Texture: Provides a smoother and more even complexion.

      • Hydrates and Plumps: Deeply hydrates for a youthful glow.

    • How to Use: Apply to the entire face, neck, and décolleté before moisturizing.

    • Price: $115.00

    • Link: Algenist Genius Liquid Collagen


a selection of peptide creams and serums

Conclusion


Bioactive peptides are powerful allies in the quest for healthy, youthful skin. By stimulating collagen production, enhancing the skin barrier, reducing inflammation, and promoting wound healing, these tiny molecules can significantly improve your skin's appearance and resilience. Incorporating peptide-rich products into your skincare routine can help you achieve and maintain a radiant, youthful complexion.


Stay radiant, stay informed, and keep glowing, lovelies! 🌟💆‍♀️


References:


  1. Neumann, I. D., & Landgraf, R. (2012). Balance of brain oxytocin and vasopressin: implications for anxiety, depression, and social behaviors. Trends in Neurosciences, 35(11), 649-659.

  2. Greco, R., Mangione, A. S., Amantea, D., Bagetta, G., & Nisticò, R. (2012). Traumatic brain injury and neuroprotection: insights from a role of neuropeptide Y. Peptides, 34(2), 363-366.

  3. Hökfelt, T., & Strand, F. L. (2018). Neuropeptides and peptide hormones in brain function. Comprehensive Physiology, 8(3), 1169-1198.

  4. Dumitru, M., & Ramaswami, M. (2017). Neuropeptides: circuits that link behavior to physiology. Neuron, 93(2), 217-238.

  5. Mahapatra, A., & Maiti, R. (2018). Mechanisms of action of anti-inflammatory neuropeptides and their therapeutic potential in inflammatory diseases. International Journal of Neuroscience, 128(4), 253-267.

  6. Zhang, C., & Russell, R. (2018). Neuropeptide Y and its relationship with exercise in the regulation of energy homeostasis. Journal of Exercise Science & Fitness, 16(1), 25-30.

  7. Korhonen, H., & Pihlanto, A. (2006). Bioactive peptides: Production and functionality. International Dairy Journal, 16(9), 945-960.

  8. Hartmann, R., & Meisel, H. (2007). Food-derived peptides with biological activity: from research to food applications. Current Opinion in Biotechnology, 18(2), 163-169.

  9. Pickart, L., & Thaler, M. M. (1973). GHK copper peptide in human plasma: Correlation with age. Journal of Biological Chemistry, 248(24), 8500-8507.

  10. Gorouhi, F., & Maibach, H. I. (2009). Role of topical peptides in preventing or treating aged skin. International Journal of Cosmetic Science, 31(5), 327-345.

  11. Lintner, K., & Peschard, O. (2000). Biologically active peptides: from a laboratory bench curiosity to a functional skin care product. International Journal of Cosmetic Science, 22(3), 207-218.

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