Diethylamino hydroxybenzoyl hexyl benzoate, ethylhexyl triazone, bisoctrizole, diethylhexyl butamido triazone: four filters at fourth, sixth, seventh and tenth on this list, and not one of them may be used in a sunscreen sold in the United States. They have been permitted in Europe for two decades and in Korea for most of that time, they are photostable without stabilisers, they protect across the UVA range that avobenzone struggles to hold, and they achieve high SPF at concentrations low enough to leave a sunscreen feeling like an essence; the FDA has not approved a new organic filter since the 1990s, and an American who wants this chemistry buys it from an importer, without the FDA's oversight and with the Korean MFDS's instead. That is the whole context for this tube, and it is worth having before the tube is judged, because the tube itself is a good one.
The formula is a Kolmar Korea sunscreen wearing a minimalist brand's clothes. Water, dibutyl adipate and propanediol lead, the adipate being the light ester that gives Korean essence sunscreens their airy slip, then the four filters interleaved with polymethylsilsesquioxane powder, coco-caprylate and caprylyl methicone for softness and spread; glycerin at eleventh, two glycols and the hydrolyzed hyaluronic acid at fourteenth, declared at 1,000 ppm, are the hydrating side, and behenyl alcohol, a polyglyceryl emulsifier, decyl glucoside and a set of acrylate polymers hold the emulsion and give it a little water resistance in feel if not in claim. Tromethamine buffers, sodium stearoyl glutamate emulsifies, tocopherol protects, and the preservation is hexanediol, pentylene glycol and ethylhexylglycerin with no fragrance, alcohol denat, colourant or essential oil, which is the list a brand built for sensitive skin ought to produce. The MFDS certification on the back is the Korean regulator's functional-cosmetic approval of the SPF 50+ PA++++ claim, a tested rating rather than a marketing one.
On skin it does what the best Korean essence sunscreens do. A quarter-teaspoon spreads thin and light with no drag, sets in a minute to a soft, natural, faintly dewy finish with no cast on any skin tone, takes makeup cleanly and stays comfortable through a working day; sensitive skin and skin fresh from a retinoid or acid night register no sting and no scent, dry skin gets a modest hydrating comfort from the glycerin and hyaluronate and still wants a moisturiser beneath, normal and combination skin can skip one in summer, and oily skin notices a faint sheen by afternoon and may prefer a blotting powder over it. There is no water-resistance claim, so it is a daily-wear sunscreen rather than a beach one, and the honest routine reapplies it every two hours outdoors and sooner after sweat; the 40 ml tube goes in four to five weeks at a proper dose, which is the one complaint that recurs across its hundred and fifty Korean reviews.
A word on the brand's other sunscreen, since the choice between them is the useful one. The Green Flavonoid Sun is the mineral option, zinc oxide with the brand's calming flavonoid complex, heavier and faintly tinted, and it is the tube for skin that reacts to organic filters of any generation or that wants the mineral route for melasma; this Sun Essence is the chemical option, lighter, clearer and better under makeup, for sensitive skin that tolerates modern filters and wants to forget it is wearing sunscreen. Both are fragrance-free and SPF 50+ PA++++, and the honest advice is to own the mineral one for flare weeks and this one for the rest of the year.
The regulatory gap deserves a fair statement rather than a cheer for either side. The Korean MFDS tests SPF and PA under its own rules and certifies the result, and Kolmar is the manufacturer behind a large share of the country's sunscreens, so a buyer trusting this tube is trusting a competent regulator and a competent factory; the FDA's caution about newer filters rests on data requirements the filter makers have been slow to meet rather than on any finding of harm, and the same agency's 2020 finding that its own approved filters absorb into the bloodstream is a reminder that the American list is not the safer one by default. What the importer route removes is recourse and counterfeit protection, which is a reason to buy from a reputable importer rather than a reason to avoid the chemistry. The brand cites an in-house zero-irritation panel and publishes nothing independent, and the assessment rests on the certified rating, the list and the Korean reviews.
Without a US retailer the price is an importer's: 19,200 won on the Korean site is roughly fourteen dollars for 40 ml, YesStyle sells it for more with shipping, and at a quarter-teaspoon a day that is around twelve to fifteen dollars a month, fair for a modern-filter, fragrance-free, vegan sunscreen and dear per millilitre against American drugstore tubes three times the size. Sensitive, reactive, post-acid and melasma-prone skin that wants a cast-free chemical sunscreen with photostable UVA protection will find it worth the trouble of ordering; anyone who needs water resistance, a large tube or an FDA label should look elsewhere, and anyone buying it for the hyaluronate should read the ppm. Four filters an American sunscreen cannot have, in a tube an American cannot buy at a counter, and a good daily sunscreen for the skin its brand serves.