At 11:23 a.m. Korea time on September 3, the same MEDIHEAL 10+1 sheet-mask set was No. 1 on both Olive Young Global’s Top Orders chart and its Top in Korea chart. The displayed price was US$13.36, or about $1.21 a sheet. The catch is more useful than the badge: only four of the listing’s seven formulas were selectable, and “No. 1” did not identify which formula drove the rank.
What the two No. 1 badges actually establish
Olive Young’s official bestseller page has two separate all-category tabs. On the checked snapshot, the MEDIHEAL set led both. The retailer describes the page as updated daily from sales data. For Top in Korea, its methodology note says the ranking uses Olive Young’s online and offline sales data in Korea.
That is solid evidence for a narrow statement: this exact multi-option listing was first on both displayed charts at that moment. It is not evidence that MEDIHEAL sold more units than every cosmetic across all Korean retailers, that every formula shared the rank equally, or that the No. 1 product will suit every skin type. Olive Young does not publish a unit count, the chart’s measuring window or formula-by-formula sales on the page.
The top five were all value-shaped offers
The No. 1 set was not an isolated bundle. Every product in the Top in Korea top five was presented as a double pack, refill choice, bonus-item set or multi-sheet offer. That does not prove bundles caused the rankings. It does mean the offer format is part of what was being ranked, so a formula-only comparison leaves out a major purchase variable.
| Rank | Listing shown September 3 | Displayed price | Offer structure |
|---|---|---|---|
| 1 | MEDIHEAL Essential Mask Sheet set | $13.36 | 10 sheets + 1 bonus; 7 formula options |
| 2 | Torriden Dive In Hyaluronic Acid Serum | $30.49 | Double/refill listing; 3 options |
| 3 | so natural All Day Tight Makeup Setting Fixx | $37.68 | 120 ml double set |
| 4 | UNOVE Deep Damage Repair Hair Mask | $33.44 | 320 ml double pack; 5 options |
| 5 | AESTURA Atobarrier 365 Cream | $29.48 | 80 ml cream with toner and cleansing-foam additions |
Snapshot boundary: Names, positions and prices above are transcribed from the all-category Top in Korea chart at 11:23 a.m. KST. They can change with sales, inventory and the retailer’s daily refresh. No sales volume is inferred.
The $1.21 math—and what it leaves out
The arithmetic is unusually clean because the title states the pack count: ten paid sheets plus one bonus sheet makes eleven. At the displayed $13.36 price, that is $1.2145 per sheet, rounded to $1.21. At the crossed-out $27 list price, the same calculation is $2.45 per sheet. The displayed reduction is about 50.5% relative to that list price.
There was also a separate MEDIHEAL one-sheet listing at No. 16 on the same chart, displayed at $1.44. Eleven at that price would total $15.84, making the 10+1 set $2.48, or roughly 15.7%, lower on a like-count basis—if the same wanted formula is selectable in both listings. This is a comparison of two displayed offers, not a claim about their usual prices.
Olive Young also showed a product coupon, but a banner is not a checkout receipt. Coupon eligibility, stacking rules, delivery coverage, shipping and tax can change the final total. The defensible comparison is therefore $1.21 per sheet at the base displayed price, with checkout costs kept outside the calculation.
Which of the seven MEDIHEAL options fits the actual goal?
The option names below come from the exact Olive Young product listing. The selection cues come from MEDIHEAL’s current product names and ingredient pages. They describe the brand’s cosmetic positioning; they are not guarantees of treatment or a substitute for checking the full ingredient list.
| Option | Status at check | Manufacturer’s label cue | Decision gate |
|---|---|---|---|
| Madecassoside | Selectable | “Blemish Repair”; madecassoside and centella appear on MEDIHEAL’s ingredient page | Shortlist when the cosmetic goal is a calmer, more even-looking finish—not because the chart proves an acne treatment |
| Rose PDRN | Selectable | “Healthy Glow”; rose-PDRN hydration and bounce positioning in the benefits copy | Use the positioning only as a goal cue. The official ingredient panel appeared inconsistent at the check, so verify the current package list before choosing |
| Collagen | Selectable | “Core Firming”; plumping-hydration and firm-looking-skin positioning | Evaluate as a temporary cosmetic hydration step, not evidence that a sheet mask rebuilds dermal collagen |
| Hyaluronate | Selectable | “Ultra Hydration”; multiple forms of hyaluronic acid on the manufacturer page | The most direct label match when hydration is the whole job; finish with the rest of the routine as needed |
| Ceramide | Temporarily out of stock | “Moisture Barrier”; ceramide-focused milk-essence positioning | If barrier support is the reason for buying, waiting is more coherent than swapping to an unrelated in-stock formula for the badge |
| Tea Tree | Temporarily out of stock | “Calming Moisture”; the manufacturer lists tea tree extract, leaf water and leaf oil | Potentially relevant to an oil/blemish-prone brief, but essential-oil sensitivity makes the current ingredient list and a patch test important |
| Vitamin C | Temporarily out of stock | “Clear Toning”; brightening positioning with vitamin-C derivatives listed | Shortlist for dull or uneven-looking tone only after checking how it overlaps with other brightening products in the routine |
Rose PDRN ingredient caution: MEDIHEAL’s official page was internally inconsistent at the September 3 check. Its title and benefits described Rose PDRN, while the ingredient panel reproduced the same tea-tree-heavy list shown on the Tea Tree page. K-Trend therefore did not treat that panel as the Rose PDRN formula. Use the current package or a corrected manufacturer list for ingredient-origin, allergen and fragrance decisions.
For a new formula, the American Academy of Dermatology recommends testing a skin-care product on a small area before broad use. Its at-home product-testing guidance explains how to do that and what to do if a reaction develops. A bestseller position does not waive that step.
Four in stock is not the same as seven good substitutes
The stock screen changes the decision. Four of seven options were selectable, or 57.1%; three of seven were unavailable, or 42.9%. If a shopper came for Ceramide’s barrier label, buying Collagen merely because the shared listing is No. 1 solves a different problem. The smart substitution question is not “Which box is left?” It is “Which in-stock formula still matches the job and ingredient constraints?”
That is also why the existing star rating is not a formula verdict. Reviews live on the shared product page and span different options. Even a large aggregate cannot establish that one exact variant will work for a particular person.
For U.S. shoppers, compare the exact SKU—not just the brand
Olive Young’s Korean chart, its global product page and a U.S. retail shelf are three different inventory systems. This particular page labels the 10+1 offer Olive Young-exclusive, but that does not establish delivery to every address or availability through a U.S. partner. Check the product number, formula, count and seller before comparing totals.
If the decision is specifically about the American assortment, our Olive Young at Sephora guide tracks that separate channel and its availability limits.
Outlook: durable U.S. curiosity, mixed short-term momentum
K-Trend’s outlook: The exact U.S. Google query “Olive Young” has a stronger long runway than a one-day bestseller screenshot: the sum of its weekly Trends indexes over the latest 52 weeks was 42% above the preceding 52 weeks, and the latest 26 weeks were 52% above the prior 26. Short-term movement was mixed in the 90-day view—up 20.5% over the latest complete 14 days versus the prior 14, but down 12.6% over seven days and down 6.4% over 30. That supports continued interest, not a claim of a fresh runaway surge. The product rank, four-of-seven stock count and $13.36 price should all be rechecked after Olive Young’s next daily refresh.
Sources and methodology
- Olive Young Global, Best Sellers: Top Orders and Top in Korea ranks, top-five offer structure, displayed prices, daily-update statement and Top in Korea data note; checked September 3, 2026, at 11:23 a.m. KST.
- Olive Young Global, MEDIHEAL Essential Mask Sheet 10ea Set (+1ea): product number, seven-option list, $27.00/$13.36 display and option-level availability at the same check.
- MEDIHEAL, Essential Mask collection and the brand’s current pages for Madecassoside, Rose PDRN, Collagen, Hyaluronate, Ceramide, Tea Tree and Vitamin C: manufacturer label cues and ingredient disclosures; checked September 3.
- American Academy of Dermatology, “How to test skin care products”: patch-testing guidance.
- Google Trends, United States, exact query “Olive Young”: 5-year residual-demand comparison; the 90-day view was used for complete-day 7-, 14- and 30-day direction. Trends scores are normalized indexes, not search counts.
Method: K-Trend recorded both official charts and the exact product dropdown at one timestamp, divided displayed price by the stated eleven-sheet count, compared that result with the chart’s separate one-sheet listing, and classified all top-five offer formats from their live listing names. The analysis does not rank clinical performance or infer formula-level sales, unit volume, checkout cost or individual results.
Editorial note: K-Trend has no affiliate relationship with Olive Young, MEDIHEAL, Sephora or the other retailers and brands named here. Prices, coupons, stock, delivery coverage, formulas and rankings can change; verify the current label and checkout before purchase.
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