Small chains of amino acids called peptides play an essential role in many body functions. Studies have recently examined the health and wellness benefits of these versatile molecules. From skincare to muscle growth, peptides are studied and used in numerous applications.
Signal peptides
Signal peptides are like messengers in the body. They work by telling cells to perform specific actions. For example, signal peptides can instruct skin cells to produce more collagen in skincare. This can lead to firmer, more youthful-looking skin. Some standard signal peptides include:
- Palmitoyl Pentapeptide-4: Encourages collagen production
- Acetyl Hexapeptide-8: May help relax facial muscles, reducing wrinkles
Carrier peptides
These peptides act like delivery trucks in the body. They transport essential substances to where they’re needed most. In skincare and wound healing, carrier peptides often deliver copper, crucial for various skin functions. Examples include:
- GHK-Cu (Copper Tripeptide-1): Helps deliver copper to cells, promoting collagen production and wound healing
- Copper Peptides: Support overall skin health and repair
Enzyme inhibitor peptides
As their name suggests, these peptides stop certain enzymes from doing their job. It is often the enzymes that break down the collagen that are targeted in anti-ageing treatments. By inhibiting these enzymes, they help preserve the skin’s firmness. Examples include:
- Tripeptide-1: Helps prevent collagen breakdown
- Acetyl Tetrapeptide-9: May improve skin elasticity
Antimicrobial peptides
Our bodies naturally produce these peptides as part of our immune system. Besides preventing the growth of fungus, bacteria, and viruses, they also help prevent disease transmission. In medicine and skincare, antimicrobial peptides are being studied for their potential to:
- Combat antibiotic-resistant bacteria
- Promote wound healing
- Treat skin conditions like acne
Growth factor peptides
These peptides stimulate cell growth and division. In the body, they play crucial roles in healing and tissue repair. In anti-ageing treatments, they’re used to:
- Promote skin cell renewal
- Improve skin texture and firmness
- Enhance wound healing
Vasoactive intestinal peptides
Despite their name, these peptides have functions beyond the intestines. They can affect various body systems and are being studied for potential uses in:
- Treating inflammatory conditions
- Improving circulation
- Supporting heart health
Mitochondrial-Derived peptides
These peptides come from mitochondria, the powerhouses of our cells. They’re being studied for their potential to:
- Protect cells from stress
- Support healthy aging
- Improve metabolic function
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Dietary peptides
These are peptides we get from the food we eat. Our health can be affected by them in the following ways:
- Lowering blood pressure
- Reducing inflammation
- Supporting immune function
Familiar sources of dietary peptides include dairy products, eggs, and certain grains. Regardless of their specific type, most peptides work by binding to receptors on cell surfaces. This binding triggers a response in the cell, resulting in various effects. Some peptides can also enter cells directly to influence cellular processes. A peptide is a group of molecules with many functions in the body. From signaling cells to fighting infections, peptides play a vital role in maintaining our health. Healthcare professionals should consider our safety and well-being to reap the benefits of peptides.
