A pH-balanced soothing toning lotion with Centella asiatica, from Natura Siberica's Cica Siberica line.
What a toner is actually for — and one myth to drop
Let us deal with the myth first, because it is remarkably persistent. Toner does not close your pores. Nothing does. Pores have no muscles and no mechanism to open or shut — they are simply openings, and their size is largely determined by genetics and by how much sebum they are producing. A cold splash or an astringent lotion can make the surrounding skin contract slightly so pores look temporarily smaller, and that is the whole of it.
What a modern toner genuinely does is more useful and less dramatic: it delivers a light layer of hydration and soothing ingredients to skin straight after cleansing, and it restores the skin's natural pH.
Why pH balance matters
Your skin's surface is acidic — around pH 4.5 to 5.5, the layer usually called the acid mantle. That acidity is not incidental. It keeps the barrier lipids working properly, it supports the community of harmless bacteria that live on healthy skin, and it discourages the ones that cause trouble.
Cleansing, particularly with anything soap-based, pushes skin temporarily alkaline. It recovers on its own, but it takes time, and repeated disruption is associated with a weakened barrier — dryness, sensitivity, and skin that reacts to things it used to tolerate. A pH-balanced toner shortens that recovery, which is a modest but genuine benefit.
Cica
Centella asiatica — known as gotu kola, tiger grass or, in Korean skincare where it became well known, cica. It has a long history in traditional medicine, and its compounds (madecassoside and asiaticoside among them) are used in modern cosmetics for barrier support and soothing. It is one of the better-regarded plant ingredients for skin that is easily irritated.
Using it
Straight after cleansing, onto skin that is still slightly damp. Press it in with your palms rather than wiping it on with cotton wool — a cotton pad absorbs a good deal of the product and drags at the skin, and neither is doing you any favours. Follow with serum, then moisturiser.
Note
External use only, avoiding the eye area. Patch test if your skin is reactive.