Guides to reading a label
How to check ad lines, free-from claims, and certification words against what the label actually says.
How to find your skin type, and why it can change
Wash, wait, then look: a simple way to find your skin type before buying Korean skincare, why it shifts with age and season, and what all skin types means.
Korean skincare for rosacea and redness: what it can do
Skincare can't treat rosacea. It can cut irritation and help skin redden less. What 164 Korean redness ad lines showed, and what to check on the label.
Melasma, dark spots or freckles? What Korean brightening can do
How melasma, freckles and dark spots differ, and where Korean brightening products stop. Of 276 Korean ad lines about spots, 10 were backed by evidence.
Do high star ratings mean honest ads? We checked 10,000 ad lines
We split 10,406 ad lines by the star rating of the product they sell. Products rated 4.7 and up made weak claims about as often as products under 4.5.
How to read a Korean skincare label when you can't read Korean
Four spots on a Korean skincare label can be checked: the ingredient list, the numbers beside ingredients, the functional cosmetic line and the test details.
Do you need a repair cream after laser, pico toning or Botox?
Of 812 Korean ad lines built on repair and barrier words, 3.9% were backed by evidence. What to check on the ingredient list after a procedure.
Skin flaring up as the seasons change? What to cut first
When skin flares up as the seasons turn, cut back before adding anything. Barrier warning signs, what to pause, and 195 instant calming ad lines checked.
What "dermatologist recommended" means on a Korean label
Korean rules steer ads away from doctor endorsements. We read 363 ad lines that lean on dermatology words, and the ones that held up had one thing in common.
You buy a sun stick to reapply, and nothing tells you how much you applied
We read 81 Korean sun sticks. Here is the gap between the conditions an SPF number is made under and what a stick can tell you, plus what the labels disclose.
Fragrance-free, with sixteen essential oils on the list
Fragrance-free usually means one word is absent from the ingredient list. 404 of the 1,522 fragrance-free products we read still carry scented botanical oils.
Pregnancy and Korean skincare: check the leave-on BHA, not just the retinol
199 Korean labels in our screen carry a common pregnancy caution. Salicylates follow retinoids, over half in leave-on toners, serums and pads.
Moisturizer for oily, blemish prone skin: what to screen out
Two of the four screens people run on a moisturizer list flag most of the shelf. Here is which filters actually narrow the choice, with the counts.
Moisturizer for oily skin in summer, and the autumn handover
Going lighter for summer is a change to one property, not to the whole routine. Which property, how far down to move, and the switch back people forget.
What glass skin actually is, and the four steps behind it
Glass skin is a surface effect rather than a skin type. Here is what the look needs, and four Korean labels we read end to end to check the job.
Chasing glass skin on oily skin, where the shine you get is the wrong shine
Glass is even reflection from a smooth wet surface. Oily is patchy reflection from a lipid film. Three Korean products for the first, and what to cut.
How to check a dupe claim yourself in about two minutes
Dupe videos compare front labels. Here is the four step check that compares the backs instead, run on three Korean hyaluronic acid toners that look identical.
Start here: five steps, not ten, for a first Korean routine
New to Korean skincare? Start here. What K-beauty is, the five steps that carry the work, one product per step, and answers to first week questions.
Combination skin is two zones, so build one base and split the last step
A shiny T-zone and tight cheeks are one face with two sebum densities. Four Korean products, one shared base, and the single step where you split.
Dry skin is short on lipid, not water, so build the routine around that
Dry and dehydrated are different problems with different answers. Five Korean products for the lipid side, with the ceramide figures each one prints.
A Korean routine for oily skin, in four steps that each do one thing
Oily skin does not need more steps, it needs steps that do not add load. Four Korean products read end to end, with what each one is and is not doing.
Building a routine by subtraction when your skin reacts to things
Sensitive skin is a list of things you reacted to, not a type. Five Korean products chosen for what is absent, and where fragrance-free is not enough.
How to tell whether a mineral sunscreen will cast, before you buy it
Four label checks that decide white cast. Applied to the Korean mineral sunscreens we can read end to end, and both of them fail at least one.
Running a four night cycle with Korean products
Skin cycling gives each night one job. Here is what each night needs from a formula, and four Korean labels checked against the job they are being asked to do.
The retinoid night is the one that decides whether skin cycling works
Pick the strength you can hold for eight weeks, not the one you can survive once. A rare three step Korean concentration ladder, read side by side.
Skin flooding is decided by the last layer, not the first
Layering hydration on damp skin only holds if something seals it. Here is the mechanism, plus four Korean labels read to see which ones can take repeat layers.
Toner pads and cleansing pads share a shape and nothing else
Every Korean pad we can read end to end is a cleansing pad, and they do four different jobs. How to tell which one is in the tub before you buy it.
What to buy at Olive Young in the US, and why the channel changes the answer
The same product name reaches the US through five different routes with different sizes and bundles. How to check which one you are actually buying.
Certified, patented, hypoallergenic: three words that point at a document
Certified, patented, hypoallergenic. Each word points at a document, and five products show what changes when that document is not named.
The claim is true. It is just not about this product
Five pages where the sentence was quoted correctly and still described something else: a sibling jar, a two-item set, or a shop's own spec grid.
Free-from claims are the easiest thing on a label to check
A free-from badge is one of the few marketing lines the ingredient list underneath it can settle outright. Here are five it settles.
What a Korean functional cosmetic label certifies, and what it does not
기능성 화장품 means a filing cleared review for a named function. It is one of the sturdiest facts on a Korean label, once you know what it covers.
The number that settles a hero ingredient claim is usually printed on the label
Korean labelling lets a brand print a concentration inside its own ingredient list. Five labels, and the ppb trap that makes a trace read large.
Adsorb, magnet, absorbing bubbles: what a cleanser actually does
Four cleansers explain themselves with words borrowed from physics. The cleaning is real. The mechanism printed on the page is usually the wrong one.
When the headline and the small print sit on the same page
Five product pages carry their own correction: a percentage the readings beside it do not make, and a headline the usage block underneath walks back.
The study is real. Now read how it was built
Five brands published the study behind their headline number, which most do not. The better question starts there: how many people, how long, against what?
The four things a percentage on a skincare page has to name
One cleansing balm here names its testing institution, its dates and its panel size. The other four figures name none of those things.
Fungal acne safe Korean skincare, and what that phrase can honestly mean
Five Korean products that screen clear against the usual trigger lists, plus the thing every fungal acne safe list on the internet leaves out.
How to read a Korean sunscreen label, and when the number is not on it
We checked five Korean sunscreens for the one thing that matters most. Three of them carry no protection rating on the brand's own page at all.
A Korean routine from one Olive Young trip: six steps, six products
Six products that build a complete Korean skincare routine from a single Olive Young run, with what each label confirms and what it leaves undisclosed.
Skincare under makeup: what pills, what slides, and what to layer instead
Base makeup that rolls off or slides at noon is usually a layering problem, not a foundation problem. Five Korean products read for what sits under makeup well.
What PDRN actually is, and how much of it is in the bottle
PDRN is on the front of a lot of Korean skincare now. Three products disclose how much they hold, and the numbers are smaller than the packaging implies.
Five kinds of number we would not buy blind
Every product here is one we like. Each also carries a printed figure that falls apart when you look for the method behind it, and the patterns repeat.
Mineral, chemical, and how to pick a sunscreen you will actually reapply
How the two filter types differ, what SPF and PA measure, how much to use, and why the sunscreen you reapply beats the one you skip.
