The Southern Hemisphere doesn’t play by the same rules.
Most skincare is formulated for milder, more predictable conditions — and for a climate where daily sunscreen isn’t the baseline. Down here it is. That changes what a moisturiser has to be.
Our ApproachThe reality of the South
Peak UV about 40% above matching northern latitudes. Summer UVI of 12–13 in the north. Coastal wind averaging around 30km/h in Auckland, considerably more further south. Salt air. A morning southerly, an afternoon glare, and a ten-degree drop by evening. And a culture that spends as much of the year outdoors as it can.
Skin here spends more of the year under load. It shows up as tightness, reactivity and moisture loss long before it shows up as anything dramatic.
One thing we won’t tell you
That it’s dry here. It isn’t. Auckland’s relative humidity runs between 74% and 89% depending on the month, averaging around 80%. A lot of skincare marketing describes a New Zealand climate that doesn’t exist. Ours won’t.
Why we started
Most skincare is formulated in the Northern Hemisphere — milder UV, gentler seasons, and a climate where daily sunscreen isn’t the baseline. Those products aren’t bad. They’re designed around a different set of conditions and then shipped here unchanged.
sootheKA was formulated for these conditions specifically — from Auckland, with the South as the brief. Not adapted. Not “suitable for”. Designed around.
And we started from a conviction that runs against most of the category: your skin doesn’t need more aggressive actives. It needs a barrier that copes. Everything else follows from that.
What we left out
No proprietary complexes. No secret molecules. No filler actives added at trace levels so a name can go on the box.
Proven, not proprietary
We use proven, globally recognised moisture binders — Pentavitin®, Aquaxyl™, niacinamide. Not because they’re exclusive to us; they aren’t, and anyone telling you otherwise is selling you a story. Because they’re the ones with published evidence behind them, used at levels that appear in the literature.
Where tradition earns its place
Where a traditional botanical has modern research behind it, we’ll use it and say why. Centella asiatica is the clearest example. Where it doesn’t, we leave it out, however good it would look on the front of a box.
No miracles. Just the ingredients that work, the reasons we chose them, and the full list — in order — on every product page.
What “formulated for the Southern Hemisphere” means
It’s a phrase used loosely, so here’s ours, precisely.
What it means
These formulas were developed with Southern conditions as the starting brief: daily year-round sunscreen use, high UV load, coastal wind, salt exposure, and a humid but highly variable climate. That drove specific decisions — textures that layer under SPF without pilling, a humectant system that doesn’t depend on stable ambient humidity, and in Resilience an active that binds to skin rather than washing off.
What it doesn’t mean
It doesn’t mean these ingredients are unavailable elsewhere — Aquaxyl™, Pentavitin®, niacinamide and hyaluronic acid are used worldwide, and we’re not claiming a secret molecule. It doesn’t mean a good Northern Hemisphere moisturiser won’t work here. And it doesn’t mean these products do anything about UV. They don’t. Sunscreen does that.
What we’re doing about the gap
Independent testing is underway, and we’ve committed to publishing the results in full — including anything unflattering. Until they arrive, we’d rather be accurate than impressive.
Read the science →Your skin's southern era
starts here.
Join the waitlist for first access at launch — and for the things we publish along the way, including our testing results when they arrive.