The internet loves a good “dupe” story. This one’s been making the rounds: swap your HK$2,890 Lancôme Absolue Longevity The Soft Cream for the HK$1,060 SkinCeuticals HA Intensifier Multi-Glycan (the “purple rice serum”) and save yourself HK$1,830.
Let’s be upfront: they are not the same product. But the rumor isn’t baseless either — there’s a real, patented connection between these two formulas. Here’s what’s actually going on.
The Shared Secret: Proxylane
Both formulas contain Hydroxypropyl Tetrahydropyrantriol — better known by its trade name, Proxylane. This is a patented molecule developed within the L’Oréal group (which owns both Lancôme and SkinCeuticals), designed to help restructure the skin’s support matrix and improve firmness over time.
That’s not a coincidence. It’s a corporate family resemblance. When two brands under the same parent company both reach for their own patented ingredient, you can bet it’s doing real work in both formulas. SkinCeuticals even lists it at a striking 12% concentration, right at the top of its ingredient breakdown — a serious dose for an ingredient like this.
So the rumor has a kernel of truth: both products are built around the same core anti-aging technology. That’s the “secret” behind the dupe claim.
Why They’re Not Actually Interchangeable
Here’s where the dupe myth falls apart: these two products are doing fundamentally different jobs.
SkinCeuticals HA Intensifier is a lightweight hydration-and-plumping booster. Alongside its 12% Proxylane, it packs 1.3% Hyaluronic Acid plus Sodium Acetylated Hyaluronate for multi-weight moisture binding, and a dash of Purple Rice Extract (Oryza Sativa) for antioxidant support. The texture is thin, serum-like, and built to layer under other products.
Lancôme Absolue Longevity is a different animal entirely — a rich, full-spectrum anti-aging cream. It leans on heavy emollients like Shea Butter and Limnanthes Alba (Meadowfoam) Seed Oil to lock in moisture and repair a compromised barrier. Then it stacks on a whole rose universe: Rosa Hybrid Flower Extract, Rosa Damascena Flower Water, Rosa Damascena Flower Oil, and Rosa Centifolia Flower Extract — a signature Lancôme flourish for sensorial luxury, not just actives.
In short: SkinCeuticals is a plumping serum. Lancôme is a barrier-repairing, nourishing cream. One doesn’t replace the other — they’re built for different steps in your routine.
The Sensitivity Warning
Before you buy either, check your skin’s tolerance. Both formulas contain alcohol — Alcohol Denat in the SkinCeuticals serum, and straight Alcohol in the Lancôme cream — which can be drying with frequent use.
But Lancôme is the heavier hitter here. Its ingredient list reads like a fragrance allergen checklist: Limonene, Linalool, Citronellol, Geraniol, plus added Parfum and Coumarin. That’s on top of two synthetic color additives (CI 14700 and CI 19140). If your skin reacts to fragrance or dye, this formula has a lot more chances to trigger something.
SkinCeuticals carries some fragrance risk too (a touch of Limonene from its citrus peel oil), but it’s a much shorter list overall.
Bottom line: if you have reactive, easily irritated skin, SkinCeuticals is the gentler bet of the two — not because it’s “clean,” but because it’s simply carrying less fragrance baggage.
The Verdict: Buy the Right One for Your Skin
Buy SkinCeuticals HA Intensifier if: you want a potent, lightweight Proxylane + hyaluronic acid plumping serum you can layer daily under moisturizer, and you don’t need heavy richness.
Splurge on Lancôme Absolue Longevity if: your skin is mature and genuinely dry, you need serious emollients and barrier support, and you want the indulgent, rose-scented ritual that comes with the price tag — just know you’re paying partly for fragrance and experience, not only actives.
So no, this isn’t a true dupe situation. It’s more like two cousins from the same family, doing very different jobs. Pick based on what your skin actually needs — not what your wallet wants to believe.
Disclaimer: The information and ingredient analysis provided in this article are for educational and informational purposes only. Everyone’s skin type and condition are different; readers should carefully assess their own individual needs and conduct a patch test before purchasing or using any new skincare. Every product has its unique formulation and characteristics. For specific product inquiries or claims, please contact the respective brand directly. For professional dermatological advice, diagnoses, or skin concerns, always consult a board-certified dermatologist or qualified healthcare professional.