Plant oils carry nutrients that laboratory formulations have spent decades trying to replicate — often unsuccessfully. Understanding why requires a small detour into biology.

The skin is not a barrier in the simple sense. It is a living, breathing organ with a lipid matrix designed to communicate with the world. What it absorbs must be structurally compatible with that matrix. Botanical oils — cold-pressed, unrefined, whole — are structurally close to the skin’s own sebum. Synthetic emollients, however elegant, are not.

The molecular argument

Fatty acids in plant oils — linoleic acid, oleic acid, gamma-linolenic acid — are the same fatty acids the skin uses to maintain its barrier function. When the skin is depleted of these (through stress, ageing, harsh cleansers, or environmental exposure), topical botanical oils can genuinely replenish what has been lost.

A synthetic silicone, by contrast, sits on the surface. It creates the sensation of smoothness and reduces transepidermal water loss in the short term — but it does not restore. It mimics; it does not rebuild.

What cold-pressing preserves

Cold-pressing extracts oil from seeds and nuts without the application of heat, which would destroy the most fragile and valuable components: polyphenols, tocopherols (vitamin E), phytosterols, and carotenoids. These compounds have anti-inflammatory, antioxidant, and regenerative properties that no synthetic formulation currently replicates in full.

Our in-house apothecary sources cold-pressed rosehip, sea buckthorn, and evening primrose from small organic farms we visit annually. The oils are unfiltered and undeodorised — which means they smell and look exactly as nature intended.

The case for complexity

A bottle of rosehip oil contains over 200 individual molecular compounds. A synthetic retinol serum contains one active ingredient, delivered via a carrier designed to get it to the dermis. Both have their uses. But the complexity of the plant oil is not a flaw to be engineered away — it is the source of its intelligence.

Whole botanical extracts work synergistically: the presence of vitamin E in a plant oil, for example, stabilises the omega fatty acids and extends their shelf life naturally. Remove the vitamin E to isolate the omegas, and you have a more potent but less stable, less skin-compatible product.

A practical guide to botanical oils for your skin type

Dry or mature skin: Argan, avocado, rosehip. Rich in oleic acid and antioxidants.
Oily or acne-prone skin: Jojoba (technically a liquid wax, closely mimicking sebum), hemp seed, rosehip. High in linoleic acid, which regulates sebum production.
Sensitive or reactive skin: Calendula-infused sunflower, sea buckthorn (diluted), borage. Anti-inflammatory and deeply soothing.

The shift from synthetic to botanical is not a rejection of science. It is an embrace of a more complex, more historically tested, and ultimately more trustworthy form of it.