Beauty

Why is everyone talking about peptides?

One particular active seems to be front and centre right now, dominating the beauty conversation: peptides! But why are they suddenly everywhere? What do they actually do for the skin, and what benefits do they bring? Here’s a quick breakdown of the much-talked-about ingredient tipped to transform your skincare routine.

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What are peptides?

Naturally present in the skin, peptides are short chains of amino acids that act as messengers, signalling to cells to produce or repair specific proteins. While they share a similar structure to proteins, they are much smaller. In fact, oligopeptides are made up of just 2 to 20 amino acids, while polypeptides contain between 21 and 50.

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Peptides play a key role in cellular communication, tissue repair, and the production of essential proteins such as collagen and elastin, which are responsible for skin firmness and elasticity. Thanks to their small size, they can effectively penetrate certain layers of the skin when included in skincare formulas, helping repair, renew and protect cells.

How do peptides work on the skin?

In a nutshell, peptides found in skincare products simply tell the skin what it already knows how to do – prompting it to do it more effectively. They help optimise the skin’s natural processes by supporting collagen and elastin production, encouraging tissue repair and cell renewal, helping to calm inflammation, and strengthening the skin barrier. Ultimately, their role isn’t to transform the skin, but to support its natural function.

At the surface, this can translate into skin that looks firmer, smoother and more even, with reduced redness as well as a minimised appearance of blemishes and/or dark spots.

Each peptide sends a specific signal to your skin cells. Some target firmness and elasticity, others improve radiance or strengthen the skin barrier. So-called ‘botox-like’ peptides target the micro-contractions responsible for expression lines, helping create a subtle but visible smoothing effect. Certain peptides, such as palmitoyl tripeptide-8 or copper peptide (GHK-Cu), may also help soothe irritation and regulate inflammation – though not all peptides offer this benefit.

The effectiveness of peptides depends on their type, their concentration, and the quality of the formula in which they feature, since this determines both their stability and their ability to reach the targeted layers of the skin.

The full-body benefits of peptides

The power of peptides isn’t limited to the face – their benefits extend across the entire body. On areas such as the décolletage, hands, arms or legs, they can help improve firmness, enhance elasticity and support overall skin regeneration. They may also help relieve redness, irritation and dry patches, while strengthening the skin barrier to improve hydration and protect against external aggressors.

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Why are peptides suddenly so popular?

Google search data shows that interest in peptide skincare surged in 2025, making peptides one of the most popular active ingredients alongside retinol, vitamin C, and SPF. But what’s behind all the buzz? Essentially, peptides are raising the bar when it comes to skincare performance. More than just an anti-ageing ingredient, they help to support long-term skin health and youthfulness. They work both preventively and correctively, targeting specific concerns while also preserving skin quality over time. They also beautifully complement other key actives, such as hyaluronic acid, retinoids and vitamin C, making them an ideal addition to a well-rounded routine.

The role of peptides in aesthetic medicine

In aesthetic medicine, certain peptides are used for their ability to stimulate tissue repair, support collagen production, and improve overall skin quality. They may additionally help calm inflammation and enhance the appearance of the skin, reducing visible signs of ageing. Peptides have also been used for several years in orthopaedic treatments and sports medicine.

However, it’s important to note that the peptides used in certain injections or targeted treatments do not work in the same way as those found in your favourite skincare products. The latter act gradually on the surface of the skin, supporting its natural mechanisms, whereas directly injected peptides work more deeply within the dermis or muscles.

Game-changing peptide-enriched skincare

Applied consistently, peptide-based skincare has the power to gradually transform your skin. The key is finding the right formula for you! Below, we’ve rounded up our favourite peptide-enriched skincare essentials:

  • Combeau Universal Collagen: a neutral-tasting and scent-free collagen treatment, formulated with type 1 hydrolysed collagen peptides, for targeting visible signs of ageing, skin elasticity, radiance and an even complexion. What more can we say?

  • Goop Beauty Youth-Boost Peptide Serum: a powerful facial serum with anti-ageing peptides, designed to target the main signs of skin ageing.

  • Goop Beauty Youth-Boost NAD+ Peptide Rich Cream: a super-hydrating, rich all-in-one cream that hydrates, firms, and enhances elasticity, supporting skin longevity.

  • Oh My Cream Skincare Plumping Serum: a multi-action serum enriched with peptides, niacinamide, vitamin C, bakuchiol and more! It hydrates, plumps, helps smooth fine lines, and reawakens your natural radiance.

 

  • Tata Harper Water-Lock Moisturizer: a light, ultra-hydrating cream with a 100% natural formula, blending pomegranate spheres, peptides and hyaluronic acid for lasting plumped-up skin.

  • Dr. Barbara Sturm The Peptide Serum: an intelligent serum specially formulated to help preserve collagen and elastin, and to slow the signs of skin ageing.

 

 

Our top peptide skincare picks 

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