Peptides: the essential building blocks for skin beauty

What are Peptides?

Peptides are small molecules composed of amino acids, which bind together to form essential proteins such as collagen, elastin and keratin. These "building blocks" are crucial to the proper functioning of our bodies, acting as "messengers" that stimulate cells to build specific structures.

The Role of Peptides in Skincare

When applied to the skin, peptides function as cellular messengers, stimulating the production of collagen and elastin. This mechanism makes peptides ideal for anti-aging treatments, as numerous studies have shown their effectiveness in toning the skin, improving its elasticity and hydration.


The different types of Peptides in cosmetics

There are several categories of peptides in cosmetics, each with specific functions. The main ones are:

1 - Signal Peptides: They stimulate or inhibit biological processes, promoting the production of extracellular matrix and preventing its degradation. They are used to counter aging and reduce wrinkles.

2 - Neurotransmitter Inhibiting Peptides: They reduce neurotransmitter release, attenuating muscle contraction and producing a "botox-like" effect.

3 - Carrier Peptides or Metal Chelators: They facilitate the transport of substances within the body or chelate metals, such as copper.

"Botox Like" Peptides

The concept of "botox like" peptides was introduced to replicate the action of botox through creams and serums. One of the best known is Argirelineโ„ข peptide, a hexapeptide (Acetyl hexapeptide-8) that promotes muscle relaxation. By acting on the SNARE complex, Argirelineโ„ข reduces contraction of facial muscles, smoothing expression lines.

Signal Peptides

Signal peptides are active in preventing aging by stimulating fibroblasts, increasing the production of collagen, elastin, and other key skin structures. One example is Uplevityโ„ข peptide (Acetyl tetrapeptide-2), which improves skin firmness and elasticity by stimulating collagen and elastin synthesis.

Benefits of Peptides for Skin

Peptides in skincare products offer numerous benefits, including:

- Improved skin barrier
- Helps smooth fine lines and wrinkles
- Increased skin elasticity
- Reduced redness and irritation
- Increased hydration

Incorporating peptides into one's skincare routine can bring visible improvements, making the skin look younger, firmer and healthier.


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