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Unlike other ingredients, peptides “operate at the level of a cell receptor — and, due to their small size and specificity, can fit in whereas most other active ingredients don’t,” she says. With that, scroll ahead for the best peptide serum for every skin concern and goal. It’s one of the “EU 26 fragrances” that has to be labelled separately (and cannot be simply included in the term “fragrance/perfume” on the label) because of allergen potential. If you are fighting acne and have looked into oral supplements, chances are that zinc gluconate sounds familiar to you. It is a zinc salt that has research proving it to be effective against inflammatory acne, though not quite as effective as the antibiotic minocycline (31.2% vs. 63.4% success rate).
Best for Sensitive Skin: Youth to the People Triple Peptide Hydrating + Firming Oasis Serum
A science-powered skincare duo for clinically-proven results... The problem with linalool is, that just like limonene it oxidises on air exposure and becomes allergenic. That’s why a product containing linalool that has been opened for several months is more likely to be allergenic than a fresh one. But even if everything is right, it’s not enough on its own. If you see potassium sorbate you should see some other preservative next to it too. If you are someone who likes to know what you put on your face then fragrance is not your best friend - there's no way to know what’s really in it.
Ingredients overview
Oh, and if you're into healing crystals, note that the elixir contains ruby, moonstone, quartz, and amethyst, all of which are said to bring out good vibes. If there's anything that we could use a little more of at a time like this, it's that. Their exact benefit, however, largely depends on the peptide in question.
Product details

To do that it has to break down to its active form, sorbic acid. For that to happen, there has to be water in the product and the right pH value (pH 3-4). While that may not have convinced you, stay with us, because there’s actually a host of impressive science-backed actives involved here, too. A powerful, patented peptide works to boost collagen and elastin production, promising to lead to plumper, more resilient-looking skin over time. It’s also helpful to consider the peptide in the serum.
Best anti-ageing serum 2024: For wrinkles and fine lines - The Independent
Best anti-ageing serum 2024: For wrinkles and fine lines.
Posted: Mon, 08 Apr 2024 07:00:00 GMT [source]
BG is approved by Ecocert and is also used enthusiastically in natural products. Chemically speaking, it is the attachment of a glycerin molecule to the fatty acid called stearic acid. It can be produced from most vegetable oils (in oils three fatty acid molecules are attached to glycerin instead of just one like here) in a pretty simple, "green" process that is similar to soap making. It's especially useful to help active ingredients for self-tanning (DHA), anti-acne or skin-whitening to penetrate deeper and work better. Other than having a good safety profile and being quite gentle to the skin it has some other advantages too. It can be used in many types of formulations as it has great thermal stability (can be heated up to 85°C) and works on a wide range of pH levels (ph 3-10).
Best for Acne-Prone Skin: Biba de Sousa Los Angeles The Plant Stem Cell Serum
A few swirls of Hourglass bronzer come next, applied with a big, fluffy brush. Then, Scodelario uses her fingers to pat Charlotte Tilbury highlighter onto her cheekbones and the tip of her nose. Before Kaya Scodelario applies her springy makeup look, the British actress has a few pores to unclog.
Best for Deep Wrinkles: Peter Thomas Roth Peptide Skinjection Amplified Wrinkle-Fix Refillable Serum
Butylene glycol, or let’s just call it BG, is a multi-tasking colorless, syrupy liquid. It’s a great pick for creating a nice feeling product. A beautiful golden-yellow oil coming from the Camellia tree. It's a meters high tree with spectacular white flowers native to Asia.
The Best Peptide Serum for Every Skin Type and Concern
A little helper ingredient that can boost the performance and enhance the delivery of active ingredients in a formula. It can penetrate deep layers of the skin helping actives to do the same. A white powdery thing that's the major component of glass and sand. In cosmetics, it’s often in products that are supposed to keep your skin matte as it has great oil-absorbing abilities. It’s also used as a helper ingredient to thicken up products or suspend insoluble particles.
Best for Dry Skin: Biossance Squalane + Hyaluronic Acid Copper Peptide Rapid Plumping Serum

Would not use as a nightly skincare serum, better for cosmetic use in the day, it’s also quite heavily fragranced in my opinion. Finally, peptide serums are also a good option for those who can’t tolerate irritating ingredients, such as retinoids, as they offer a similar ability to stimulate collagen production—although to a lesser degree. But they don’t come with the risk of irritation, making them a good option for those with sensitivities. For instance, “if you are looking for plumper, smoother skin, choose a signaling peptide in a formulation that also provides hydration, such as hyaluronic acid,” she says. A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as an emulsion stabilizer, solvent and a broad spectrum antimicrobial.
And with that, Scodelario’s daytime look is done, though her workday has just begun. “I’m going to go back to work,” she says, waving goodbye with a fresh-faced beam. One increasingly popular type of peptide is a neuropeptide, or “neurotransmitter inhibitor peptides,” says Dr. Castilla. This peptide can “block the release of neurotransmitters that relay muscle signals.” In other words, it acts similarly, albeit on a much smaller scale, as neuromodulators, relaxing the facial muscles to minimize expression lines.
“When I’m traveling for work, I end up getting quite dry skin,” the actress says. As such, “[I’m] trying to get as much hydration back in there as possible,” she notes, layering Charlotte Tilbury’s Magic Serum on top of Tatcha’s plumping Essence. Limonene's nr1 function is definitely being a fragrance component, but there are several studies showing that it's also a penetration enhancer, mainly for oil-loving components. So citric acid is an exfoliant, that can - just like other AHAs - gently lift off the dead skin cells of your skin and make it more smooth and fresh.
Famed for gracing the faces of A-Listers including Bella Hadid and Kate Moss, Charlotte developed her eponymous brand by fusing Hollywood finishes with easy-to-use formulas and Charlotte's Magic Serum Crystal Elixir is no exception. A supercharged serum, it's super hydrating and youth boosting (so the next hero in your skin care line up). It’s kind of everywhere - both in plants and in cosmetic products. It’s part of 200 natural oils including lavender, ylang-ylang, bergamot, jasmine, geranium and it can be found in 90-95% of prestige perfumes on the market. But according to a comparative study done in 1995, citric acid has less skin improving magic properties than glycolic or lactic acid. Probably that’s why citric acid is usually not used as an exfoliant but more as a helper ingredient in small amounts to adjust the pH of a formulation.
One such product is Summer Fridays’ tinted lip balm, which she glides on before giving herself a spritz of Luzern Labs firming facial mist. “I could stand there and do that for hours.” But since she doesn’t have hours, the mother of two combines her primer and SPF steps with Charlotte Tilbury’s two-in-one solution, then reaches for her go-to foundation. If you already use an antioxidant serum, a retinoid, and a sunscreen, then a peptide serum is a good addition to enhance your anti-aging routine, according to Dr. Castilla.
It still often shows up in the ingredient list of soaps and other cleansers. It's often paired with glyceryl stearate - the two together form a super effective emulsifier duo that's salt and acid tolerant and works over a wide pH range. It also gives a "pleasing product aesthetics", so no wonder it's popular. A very common water-loving surfactant and emulsifier that helps to keep water and oil mixed nicely together. It’s an ingredient whose safety hasn’t been questioned so far by anyone (at least not that we know about).
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