I Tested the Legendary Skincare Behind Celebrity Glow-Ups

My Bottom Line: Two Icons, One Clear Winner

Celebrity skincare products are beauty formulas heavily associated with A‑list users or endorsements, often promising red-carpet results, multi-use benefits, and luxury textures that claim to justify premium prices for everyday routines. After several weeks of rotating Elizabeth Arden Eight Hour Cream and Charlotte Tilbury’s Unreal Highlighter through my day and night routines, my verdict is that one is a hard-working skincare staple while the other is a gorgeous but optional glow accessory. Elizabeth Arden’s Eight Hour Cream earns its legendary status as a multi-use salve that protects, soothes, and supports the skin barrier across seasons. Charlotte Tilbury’s Unreal Highlighter delivers the glassy, Sienna-Miller-style glow it promises, with a 92% skincare-led formula that behaves more like skincare than glitter. Together they form a powerful glow duo, but if you are on a budget, Eight Hour Cream is the smarter long-term investment.

Elizabeth Arden Eight Hour Cream: The Workhorse in a Red-Carpet Dress

Elizabeth Arden Eight Hour Cream is marketed as a multi-tasking balm and, in daily use, it feels exactly that: an old-school, slightly medicinal salve that quietly fixes things while newer launches shout. Its petrolatum base creates an occlusive layer that softens and shields skin, boosted by antioxidant vitamin E, moisturising castor seed oil, and salicylic acid to calm inflammation and support barrier repair. On my combination skin it excelled as an overnight lip mask, cuticle conditioner, and a rescue balm on wind-chapped cheeks. The brand lists eight official uses, from body moisture and hydrating nails to taming hair and brows, soothing dry hands, highlighting cheeks and even treating windburn. In practice, I used at least six of those daily. The texture is thick and slightly sticky, but in a way that makes sense for a protectant; this is not a lightweight gel, and that is the point.

Where Eight Hour Cream earns its celebrity skincare products reputation is reliability. It has been around since 1930, born as an apricot-toned concoction to soothe skin, and its fan base includes Victoria Beckham and Zendaya as well as multiple royals. On irritated patches, I noticed faster recovery, especially when my barrier was compromised from over-exfoliation. The formula is clinically proven to improve the skin’s barrier function in 30 minutes, and it behaves that way in real life: redness calms, flakes soften, and makeup sits better on repaired skin the next day. That said, the occlusive texture can feel heavy on very oily areas and has a noticeable scent, so it is better as a targeted treatment than an all-over face cream. At £14.23, down from £27.60 during a recent Amazon Prime Day sale, it offers rare value for such a storied icon.

Charlotte Tilbury Unreal Highlighter: Sienna’s Five-Second Glow Stick

Charlotte Tilbury’s Unreal Highlighter is the product Sienna Miller calls “a five second facial in a stick”, describing it as “my dream skin in a stick” with a “big drink of water” effect. In my tests, the description holds up. The balmy stick is packed with a 92% skincare-led formula that includes multi-molecular weight hyaluronic acid, brightening vitamin C, and antioxidant vitamin E to plump, revive, and hydrate skin. Unlike many powdery or metallic highlighters, this one glides like a nourishing balm and leaves an iridescent glossy trail with micro-fine shimmer for a multi-dimensional glow. I wore it on bare skin on “no makeup” days and over foundation in the evening; in both cases the finish stayed in the “wet skin” zone rather than sliding into grease. Texture-wise, it behaved more like a skincare stick than makeup, which suited my combination skin.

The Unreal Highlighter comes in a single shade, Glazed Goddess, a champagne tone designed to be universally flattering by flexing with the light. On my light-medium skin it read as a believable sheen, but I can see it working as a subtle glassy highlight on deeper tones, provided you keep it to the high points of the face. The brand’s Glow-Light Mapping Mesh Tech aims to diffuse and reflect light for a soft-focus, airbrushed effect, and the result is a filtered glow that photographs well without obvious glitter. A beauty writer with acne-prone, textured skin noted that it avoided the heavy, greasy feel and texture-emphasising problem of many highlighters, and I had the same experience: pores and bumps were not the focus. The downsides: only one shade limits customisation, and as a luxury stick at £32, this is a want, not a need.

Do These Celebrity-Endorsed Staples Justify Their Hype?

These two tested skincare staples sit at different points on the need–want spectrum. Elizabeth Arden Eight Hour Cream is the pragmatic multi-use salve that pulls its weight daily: it moisturises body skin, hydrates nails and cuticles, calms irritation, tames brows, protects skin, soothes dry hands, highlights cheeks and even helps with windburn. In effect, it performs the job of several products, which makes it a practical investment even if you ignore the celebrity endorsements. The Unreal Highlighter, on the other hand, is pure glow pay-off. It was built as part of an “Unreal System” with foundation and blush sticks, and has already earned fans like Jennifer Aniston and Sienna Miller. Its skincare-led formula means you can use it both on bare skin and over full glam without it feeling like extra weight, which adds everyday flexibility.

As far as celebrity-endorsed beauty goes, both formulas justify their A-list status in different ways. Eight Hour Cream has decades of usage and a clinically backed barrier-supporting formula; it is the backstage staple that keeps skin resilient so everything applied on top looks better. Its petrolatum-rich texture and scent may divide users, but the performance is hard to argue with. The Unreal Highlighter is more of a mood product: it transforms a bare face into Sienna-Miller-style radiance in seconds, and its 92% skincare-infused formula makes glow days kinder to your skin than old-school glitter sticks. These products also adapt well across seasons: Eight Hour Cream as a winter shield and summer after-sun soothe, Unreal Highlighter as a summer glow stick and a dull-winter-skin pick-me-up. If your budget allows one, choose Eight Hour Cream; if it stretches to both, they layer into a convincing “I wake up like this” glow routine.

Buy if / Skip if

• Buy the Elizabeth Arden Eight Hour Cream if you want a single, multi-use balm that can stand in for several separate skincare products while protecting your barrier.
• Skip the Elizabeth Arden Eight Hour Cream if you dislike thick, occlusive textures or scented products and prefer featherweight gels for daily moisture.
• Buy the Elizabeth Arden Eight Hour Cream if you need a reliable repair product for seasonal dryness, windburn or over-exfoliated skin that works across face, body and hands.
• Skip the Elizabeth Arden Eight Hour Cream if your skin is very oily and you rarely deal with dryness, chapping or irritation that would justify a heavy-duty salve.
• Buy the Charlotte Tilbury Unreal Highlighter if you want Sienna Miller-style, glassy radiance from a 92% skincare-led highlight stick that you can swipe on in seconds.
• Skip the Charlotte Tilbury Unreal Highlighter if you prefer matte makeup, avoid any shimmer, or rarely wear highlighter enough to justify a £32 stick.
• Buy the Charlotte Tilbury Unreal Highlighter if you struggle with textured or acne-prone skin and need a highlighter that avoids accentuating bumps while adding a soft-focus glow.
• Skip the Charlotte Tilbury Unreal Highlighter if you need multiple shade options for very deep or very fair skin and dislike one-shade-fits-all approaches.