Ingredients

Everything we put in, and why.

Forty-one ingredients, each one its own page. We list what does the work, what plays a supporting role, and what we deliberately leave unclaimed.

No ingredients match . Try a common name, INCI, or botanical name.

Other

36
Sodium hydroxide, the white deliquescent solid, weighed dry and dissolved to a dilute solution before it meets a formula.
Sodium Hydroxide

Sodium hydroxide is caustic soda, and on an ingredients list otherwise made of acids it is the only thing pulling the other way. Used as a pH adjus...

Passion seed oil, cold pressed from the seed and filtered, and nothing else.
Passiflora Edulis (Passion) Seed Oil

Passion fruit is a superfruit, and the seed oil arrives carrying the fruit's reputation. What is in the bottle is a light golden oil that is roughl...

Rice bran oil, cold pressed and unrefined, the orange-red colour coming from the fraction a refining step would take out.
Oryza Sativa (Rice) Bran Oil

Rice bran oil is pressed from the bran of the rice grain, the papery outer layer that milling takes off. It is a mid-weight conditioning oil, and i...

Safflower seed oil, pressed cold from the seed and simply filtered, a thin yellow-gold liquid.
Carthamus Tinctorius (Safflower) Seed Oil

Safflower belongs to the daisy family, and the oil is pressed cold from its seed. What matters about it is the fatty acid profile: the specificatio...

Cold-pressed avocado oil, pressed from the flesh of the fruit rather than the stone, and simply filtered.
Persea Gratissima (Avocado) Oil

Avocado oil is one of the largest oil inclusions anywhere in the range, and it sits only in the Dry and Dry Sensitive creams. It is pressed from th...

Citric acid, the colourless crystalline powder, odourless and water-soluble, and nothing else.
Citric Acid

Citric acid is one of the most widely used ingredients in food, pharmacy and cosmetics, and it belongs to the alpha hydroxy acid family. That famil...

Cetearyl alcohol, the waxy fatty alcohol that thickens and softens every formula.
Cetearyl Alcohol

Of all the things people write to skincare brands about, this is near the top: there is alcohol in your moisturiser. It is a fair question and it h...

Sunflower seed oil, the light carrier oil that runs through every formula.
Helianthus Annuus (Sunflower) Seed Oil

Sunflower oil does not get written about much. It is the oil that carries the others, present in every formula we make, and it is also the oil our ...

Barley, fermented for gin, then upcycled into the postbiotic in every formula.
Saccharomyces/Barley Seed Ferment Filtrate

Barley is malted and fermented to make the alcohol that becomes gin. The gin is distilled off, and what is left behind is a great deal of spent gra...

Sodium citrate, the buffer that keeps every formula at the pH the skin prefers.
Sodium Citrate

Of all the ingredients on our label, this is the one we most underestimated. It has no scent, no colour, no story, and it does not sound like anyth...

Water, the largest single ingredient in every Biotaderm formula.
Aqua (Water)

Look at the ingredient list on almost any moisturiser and the first word is Aqua. Ingredient lists run in order of quantity, so that means water is...

Tara gum, the purified seed powder, milled cold, and nothing else.
Caesalpinia Spinosa (Tara) Gum

Every cream needs something to give it body, to keep the oils and the water from drifting apart, and to lend the whole thing a smooth, even feel as...

Tamanu oil, cold-pressed from the nut of Calophyllum inophyllum.
Calophyllum Inophyllum (Tamanu) Seed Oil

Tamanu oil is pressed from the nut of Calophyllum inophyllum, a tree that grows along the shores of the Pacific and tropical Asia, where its oil ha...

Grape seed oil, a light oil pressed from the seeds left after winemaking.
Vitis Vinifera (Grape) Seed Oil

Grape seed oil is pressed from the seeds left behind after winemaking, a genuine use for what would otherwise be waste. It is one of the lightest o...

Vetiver, the grass whose roots give the range its earthy scent.
Vetiveria Zizanoides (Vetiver) Root Oil

Vetiver root oil carries a set of identified antioxidant compounds, the vetivones chief among them, and the studies that found them tested the same...

Tocopherol, the vitamin E that keeps the oils in every formula from turning.
Tocopherol

Vitamin E is one of the few ingredients almost everyone has heard of, and most of what they have heard is wrong. Here is what it is doing in our fo...

Squalane, the clear, light plant oil that softens every formula in the range.
Squalane

Most of what a skincare oil does is quiet work: soften the surface, slow the loss of water, and carry the rest of the formula evenly across the ski...

Sodium benzoate, the second half of the preservative system in every formula.
Sodium Benzoate

If you have looked sodium benzoate up, you have probably read something alarming about benzene. That story is not invented, and it is also not abou...

Jojoba, the golden liquid wax pressed from the seed of Simmondsia chinensis.
Simmondsia Chinensis (Jojoba) Seed Oil

Jojoba is the golden liquid pressed from the seed of Simmondsia chinensis, a desert shrub. It behaves like an oil, but chemically it is something m...

Rose hip seed oil, cold-pressed from the seed of the wild rose, Rosa canina.
Rosa Canina (Rose Hip) Seed Oil

Rose hip seed oil is pressed from the seed inside the hip, the fruit of the wild rose, Rosa canina. It is one of the lighter conditioning oils in t...

Pomegranate seed oil, pressed from the seeds within the fruit.
Punica Granatum (Pomegranate) Seed Oil

Pomegranate seed oil is pressed from the seeds inside the fruit, and it is a good example of why the part of a plant matters as much as the plant i...

Propanediol, the fermentation-derived carrier and humectant in every formula.
Propanediol

Some ingredients you choose. Some arrive because they came in the bottle with something else. Propanediol is the second kind, and when we sat down ...

Evening primrose oil, cold-pressed from the seed of Oenothera biennis.
Oenothera Biennis (Evening Primrose) Oil

Evening primrose oil is pressed from the small seeds of Oenothera biennis, a wildflower that opens at dusk. It is best known for one particular fat...

Lactic acid, present at a trace to hold the chlorella active at the right acidity.
Lactic Acid

Lactic acid is one of the best known ingredients in skincare. It is an alpha hydroxy acid, and at the right strength it loosens dead cells and smoo...

Inulin, the plant fibre that feeds the skin's own microbes.
Inulin

Most skincare ingredients act on your skin. Inulin does not. It is food, and the things it feeds are the microbes already living on you. That shift...

Glyceryl caprylate, the plant-derived emollient that also helps preserve the formula.
Glyceryl Caprylate

This ingredient does two useful things and raises one awkward question, and since the question is about the thing this whole brand is built on, it ...

Glycerin, the humectant that draws water into the skin in every formula.
Glycerin

Glycerin is the ingredient nobody puts on the front of a bottle. It is cheap, it has been used for well over a century, and it works better than al...

Argan oil, pressed from the kernel of the Moroccan argan tree.
Argania Spinosa (Argan) Kernel Oil

Argan oil is pressed from the kernel inside the fruit of the argan tree, which grows only in southwestern Morocco. It is a genuinely good condition...

Bladderwrack, the Atlantic brown seaweed that gives the range its coastal character.
Fucus Vesiculosus (Bladderwrack) Extract

Bladderwrack is the brown seaweed you have stepped over on every rocky beach along the north Devon coast, the same species that grows on the rocks ...

The olive-derived emulsifier system that holds every Biotaderm formula together.
Cetearyl Olivate, Sorbitan Olivate

Oil and water do not mix. Every moisturiser ever made is an argument with that fact, and the emulsifier is what wins it. Ours is made from olive, i...

Chlorella vulgaris, the green microalga grown for the microbiome active in every formula.
Chlorella Vulgaris Extract

Chlorella is a single-celled green microalga, and the version in our formulas is a particular one: an active built from compounds in the algal cell...

Gluconolactone, the fermentation-derived preservative in every formula.
Gluconolactone

Every product with water in it has to be preserved, and most brands would rather not talk about how. This is our preservative. It is also, as it ha...

Baobab seed oil, cold-pressed from the seed of the African baobab.
Adansonia Digitata (Baobab) Seed Oil

Baobab oil is pressed from the seed of the African baobab, the broad, ancient tree sometimes called the tree of life. In our formulas it is one of ...

Allantoin, the soothing skin protectant in all our formulas.
Allantoin

Allantoin has been used on skin for over a century, it appears in an enormous number of products, and almost nobody talks about it. That is partly ...

Sea buckthorn fruit oil, deep orange from its carotenoids.
Hippophae Rhamnoides (Seabuckthorn) Fruit Oil

Sea buckthorn oil is pressed from the small, bright orange berries of Hippophae rhamnoides, a hardy shrub of cold coastlines and mountain slopes. I...

Dragon fruit seed oil, cold-pressed from the small black seeds within the fruit.
Hylocereus Undatus (Dragon Fruit) Seed Oil

Dragon fruit, or pitaya, is the striking fruit of a climbing cactus, Hylocereus undatus. Everyone knows the flesh. What we use is the oil pressed f...