I just discovered that Sienna Miller swears by this "Botox-alternative" serum for her radiant complexion.

      If there’s one celebrity we all turn to for beauty inspiration at the Who What Wear UK beauty desk, it’s definitely Sienna Miller. We’re all eager to uncover Sienna Miller’s beauty secrets, whether it’s how she achieves her effortlessly tousled hair or the fragrance she chooses. Whatever her beauty regimen entails, I want to be part of it. So, when I learned that Sienna Miller uses a specific serum that’s also highly regarded by dermatologists, skin experts, and beauty editors, my curiosity was piqued.

      It’s widely recognized that Sienna Miller is a big fan of Skinceuticals' cult vitamin C serum, C E Ferulic. However, she has recently incorporated another SkinCeuticals product into her routine. This particular peptide serum has even been referred to as a “Botox alternative,” targeting fine lines and providing a plumping effect for a glass-like finish. The product in question is SkinCeuticals Ptiox (£135).

      **Key ingredients:** Advanced peptide complex, PHA, niacinamide, and laminaria extract

      **Pros:** Plumps fine lines and wrinkles, enhances skin texture and radiance; users have reported improvement in nine types of wrinkles, including crow's feet and laughter lines after 12 weeks.

      **Cons:** Quite expensive.

      SkinCeuticals describes this peptide serum as a “wrinkle-modulating serum,” designed to plump dynamic expression lines on the skin, including crow's feet and nasolabial (laughter) lines. It primarily functions by reducing contraction lines, thus improving the overall texture and radiance of your complexion, enabling you to address areas that Botox cannot directly treat. Indeed, SkinCeuticals' clinical trial demonstrated a reduction in nine different types of wrinkles within 12 weeks, indicating enhancements in both skin texture and radiance. The brand also suggests that P-Tiox can complement injectable treatments like Botox, helping to enhance the results of such procedures.

      It’s important to note that this serum is quite pricey and certainly a luxury skincare investment. However, having just finished my second bottle of P-Tiox, I can personally attest to its efficacy, and numerous skincare experts have highly recommended it to me as well. This is a skincare brand you can rely on. I haven't had Botox in six months, and although I would typically notice fine lines returning around my eyes, they look softer and much less prominent than they did before treatment. While I wouldn’t label it as a substitute for Botox, I truly appreciate the plumping effects. If I decide to get Botox again soon, I will definitely incorporate Ptiox to extend the results for as long as I can.

      The serum is lightweight and absorbs quickly, making it suitable for all skin types and easy to integrate into both morning and evening skincare routines, allowing for layering under other products. I’ve been using it alongside the C E Ferulic serum, and I must say, my skin has never appeared so glassy. Now that it’s been approved by Sienna Miller, I’m preparing to purchase a third bottle.

      **Shop Now:**

      The iconic serum that Sienna Miller swears by.

      **SkinCeuticals Ultimate Anti-Wrinkle Power Pair:**

      For optimal results, pair it with the C E Ferulic serum (another favorite of Sienna's) for a glass-like complexion.