Diana's Good Finds

16 September 2026

Salicylic acid: a face wash and a shampoo — one ingredient, two surfaces

A teal AURODHEA cleanser bottle on a bathroom vanity next to a running tap

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Oily skin is not about the shine in the mirror by six in the evening. The shine shows, but it does not do any harm. What does is the film of sebum that collects everything in the air all day: dust, exhaust, whatever came off the street. Water does not lift that film — it is oily, so water beads on it and runs off.

That is the whole point of washing your face at night: you are removing not the dirt, but what the dirt is sitting on.

What salicylic acid does

Chogan describes its action in the AURODHEA cleanser as antibacterial and regenerating, and states what it is for: skin with blackheads, with impurities, prone to acne. I do not go past that description — this is a cosmetic product, not a medicine, and it cannot promise to rid you of anything.

The practical difference between salicylic acid and plain soap is where each one works. Soap lifts what sits on the surface. Salicylic acid is oil-soluble, so it reaches what is inside the pore, not only its opening. That is exactly why products with it are addressed to skin with blackheads rather than to oily skin in general.

Alongside it in the gel: vitamin E, nettle extract, sage extract. 260 ml in a pump bottle, which lasts a long time at one wash a day. Dermatologically tested, CPNP 2376768.

The same acid in a shampoo — and that is no accident

The scalp is skin too, and the sebum on it is the same sebum. So salicylic acid appears in one more place in the Chogan catalogue: in the anti-dandruff shampoo, next to piroctone olamine. There its job is to loosen the flaking while piroctone olamine handles the sebum.

Here is the line worth drawing. Dry white flakes and itching — that is the shampoo. Blackheads and an oily film on the face — that is the cleanser. One ingredient, two different jobs, and neither replaces the other: you do not wash your face with shampoo, and the cleanser does nothing on a scalp.

Three habits that work against oily skin

Hot water. It leaves a stronger sense of being clean, and it gets a stronger response from the sebaceous glands. Warm water gives you the same result without that response.

A scrub instead of a wash. Rubbing across inflamed skin spreads it and damages what is already healing. Cleansing and exfoliating are separate steps: the first is daily, the second is not.

Alcohol “to dry it out”. It dries the top layer, not the gland. Skin answers being stripped with more sebum — and by evening there is more shine than there was.

How I do it

A small amount on damp skin, massage gently, rinse with water. In the evening, every day. That is all.

Skincare is not ten steps, it is one that actually gets repeated. The single step you really do every night gives you more than a perfect routine abandoned on day three.

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