Skin care: all about the benefits of peptides


Source of beauty for our skin, our nails, our hair, peptides – chains made up of amino acids – invite themselves into our creams and our serums. Focus on a star ingredient in our skincare routine.

The role of peptides

Peptides are made up of two or more amino acids that link together to form chains. Once created, these chains come together to make proteins – like collagen – necessary for healthy body and skin. “Peptides are a class of ingredients that ‘talk to cells’, giving them the tools they need to act healthily and do their jobs effectively,” says Tiffany Masterson, founder of beauty brand Drunk Elephant. . “Not only do they provide unique benefits for the skin, but almost all of them help to increase hydration levels in the epidermis. They have antioxidant and anti-inflammatory effects as a bonus.” Certain peptides go even further by encouraging the natural production of collagen, the basis of firm, plumped and radiant skin.

Why are peptides important

By playing their part, peptides take care of the health of our skin… but things get more complicated around the age of 30. “We produce less peptides as we age. In addition, external aggressions increase the presence of enzymes that degrade collagen, resulting in decreased skin elasticity and the appearance of fine lines and wrinkles, as well as uneven skin tone and texture. uneven skin,” says Dr. Jenny Liu, dermatologist. For the epidermis, it’s a vicious circle: fewer peptides, less new collagen, even as external aggressions – such as pollution, UV rays or stress – attack the existing one. The solution? Treatments – creams, serums, masks – designed using peptides. “[Ces derniers] are smaller and can therefore penetrate the skin more easily [contrairement au] collagen, which is too big,” adds the dermatologist.

How to choose the right peptides

There are a large number of peptides with various benefits. Here, we retain four, particularly important for our epidermis. Enzyme Inhibitor Peptides block the enzymes responsible for the breakdown of natural collagen, while Neurotransmitter Peptides act like Botox by preventing the release of toxins that contribute to muscle contraction to smooth wrinkles. That said, there is not yet a cream that can penetrate as deeply into the skin as an injection. For their part, the carrier peptides – in particular the copper peptides – encourage the production of collagen, just like the signal peptides, which also stimulate the production of elastin (on the label of our care products, one can in particular look for the mentions “pentapeptide”, “palmitoyl pentapeptide-4”, “tripeptide-1” or “hexapeptide”). All that remains is to take advantage of the benefits of peptides, sources of beauty for our skin!

The benefits of peptides on our hair

Peptides also act on our tits! “Protein loss is one of the main causes of dry, brittle hair,” says Dr. Jenny Liu. To remedy this, the expert advises betting on peptides, which penetrate the cuticle, in order to temporarily repair and strengthen the hair fiber. “They add volume and can be useful for those with fine hair,” she adds. It doesn’t take much to convince us!

Some products to buy:

A cocktail of peptides invites itself into our beauty kit.

1. Biossance Copper Peptide + Squalane Rapid Plumping Serum – $88


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Thanks to firming Pará watercress extract and an ultra-hydrating trio (hyaluronic acid, polyglutamic acid and sugar cane squalane), this serum plumps and nourishes our face with each application. And as good news never comes alone, it also contains copper peptides to stimulate the production of collagen in our epidermis.

BUY HERE

2. Strength Trainer Peptide Boost Moisturizing Cream by OleHenriksen – $61

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This moisturizer relies on amino acids, peptides, ceramides, collagen and hyaluronic acid. The goal? Reinforce the moisture barrier of our skin, in order to create a bulwark against skin dryness, dull complexion and loss of firmness and elasticity (in short, everything we want to avoid).

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3. Protini Polypeptide Moisturizer by Drunk Elephant – $86

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The star ingredient in this little jar? A complex of signal peptides, which stimulates the production of collagen to fight skin aging. It is also combined with antioxidant pygmy water lily stem cell extracts and soy folic acid ferment, a B vitamin that helps the skin regain its elasticity. This is the care to have on hand to strengthen our skin and moisturize it daily!

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4. Peptide Thickening Hair Serum by The Inkey List – $15

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Our mane lacks volume? Do not panic. This peptide serum comes to the rescue of fine hair and flattens it. We apply it once or twice a week on our clean hair, to give it the pep it lacked. To us, the mermaid hair!

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5. Dermask Intra Jet Firming Solution by Dr. Jart+ -12$

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A cellulose sheet mask? Yes, but not just any! Made from a heat-sensitive gel, this one is activated by body heat which helps it penetrate deep into the skin. Based on biopeptides, it notably promotes the synthesis of elastin to restore suppleness and firmness to our face.

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6. Light Aura vitamin C + peptide eye cream by Summer Fridays – $55

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If our eye contour needs love, we call on this cream specially formulated to take care of this fragile area. It combines antioxidant vitamin C, decongestant caffeine extract and acetyl hexapeptide-8, a peptide known for its smoothing benefits, to hydrate and illuminate the eyes in the blink of an eye.

BUY HERE

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