Reading the Crème de La Mer ingredient list, in public

I did not grow up with Crème de La Mer on my radar. I knew it existed — every airport duty-free magazine features it, every department-store beauty counter in Bangkok has a stack. I knew it was expensive. Beyond that, nothing.

That changed after I built Bio Gold.

Once you have formulated a serum and know what every molecule in it is doing — what it is restoring, what it is replacing in the skin's own lipid matrix — you start reading other labels differently. You notice what is there and, more tellingly, what is not.

Bio Gold stood up to every luxury serum I put next to it. La Mer was the most iconic of them. So I did the work, and I wrote this.

Who this essay is for

This is for the customer who has used La Mer for a few years, who has started to read ingredient lists in the last twelve months, and who is asking themselves whether to keep using it. That customer is a specific person, and they deserve a specific answer.

The list, abbreviated

Crème de la Mer's ingredient list is publicly available. I will not reproduce the whole thing here, because the full list runs to roughly forty items and most of them do not matter to the discussion. The ones that do are in the first five.

Ingredient 1: Algae (seaweed) extract. This is the 'Miracle Broth.' It is the story ingredient, the one the brand was built around. It is a fermented extract of a specific algae, developed by Max Huber, with a process that involves weeks of fermentation. As a story, it is strong. As a scientific ingredient, it is plausible but unremarkable — algae extracts are used widely across cosmetics, and the proprietary ferment adds moisture-binding capability but does not do anything structurally unique to the skin lipid layer.

Ingredient 2: Mineral oil. A highly refined petroleum distillate. It is dermatologically safe at cosmetic grade. It is also purely occlusive. It sits on the skin. It does not integrate with the lipid bilayer of the stratum corneum. It prevents water from leaving the surface, which you experience as 'moisturised'; it does not restore barrier function.

Ingredient 3: Petrolatum. Also a petroleum derivative. Also occlusive. Dermatologically inert — it does not absorb, does not react, does not meaningfully do anything except block evaporation.

Ingredient 4: Glycerin. A humectant. Draws moisture into the skin from the environment. Safe, effective, used in almost every moisturiser on the planet.

Ingredient 5: Isohexadecane. A synthetic emollient. Provides skin feel, spreadability, light texture.

The remaining ingredients are largely: microcrystalline wax, sesame seed oil (which I would note is a polyunsaturated seed oil, and I would not use), other emollients, fragrance, and preservation system.

What the list actually tells us

What is in the list is not harmful. It is perfectly defensible chemistry. What it is, at its core, is an emollient occlusive with a fermented story ingredient. Priced at USD 400 for 60ml.

What it is not is a lipid-restoration serum. The skin's barrier lipids are not in this product in any meaningful quantity. The algae extract is not a ceramide. The mineral oil is not a phospholipid. Crème de La Mer is a beautifully packaged, well-preserved occlusive. It will make your skin feel moisturised for as long as you use it, and it will stop making your skin feel moisturised when you stop.

Crème de La Mer is a beautifully packaged, well-preserved occlusive. It is not a lipid-restoration serum. You are paying USD 400 for the story and the feel, not the restoration.

What this means if you have been paying USD 400 a jar

If you have been using Crème de La Mer for three years, you have spent USD 1,200+ on the product. What you have got for that spend is real — a pleasant daily ritual, a reliable occlusive feel, and the cultural weight of the jar sitting on your counter. What you have not got is any lipid-restorative work at the level of the stratum corneum. That was never what was in the jar.

I am not claiming Bio Gold is La Mer's equal in cachet. It is not. La Mer has decades of cultural weight, a complete prestige retail network, and an aspirational register we do not compete with. What I am claiming is that if the reason you have been using La Mer is because you believed it was the best formulation your money could buy, the label does not actually support that. And the alternative — a Bio-Active lipid serum that is doing the restorative biology you thought La Mer was doing — is available, at a fraction of the price.

If the reason you have been using it is because you love how it feels, how it smells, and what it signals about you — that is a legitimate reason, and I am not arguing with it. The luxury experience is a real product.

What I would do, in your bathroom

If you asked me — a stranger on the internet who happens to formulate skincare — what I would do in your bathroom, my answer would be specific. Keep the La Mer if you love it. But add a bottle of Bio Gold and use it as your primary serum at night. After ninety days, compare how your skin looks and feels. The information you will gather is worth considerably more than what you spent to gather it. That is the test. You own the result.

— Mike