
By Wishtrend Mandelic Acid Calming Care Patch is a hydrocolloid breakout patch with mandelic acid plus niacinamide, madecassoside, willow bark extract and zinc PCA. In a P&K Skin Research Center study of 21 adults, troubled areas were calmed in 30 minutes. The pack holds 39 patches in three sizes.
Key Takeaways
- Troubled areas calmed in 30 minutes, P&K Skin Research Center, 21 adults [1]
- Protruding sebum visibly improved after a single use [1]
- Post-breakout dark spots reduced in appearance [1]
- 39 patches in three sizes: 10 mm, 12 mm and 14 x 23 mm [1]
Product at a glance: By Wishtrend Mandelic Acid Calming Care Patch 39 patches · Product Code BW20068
In this article
- The listing question: does it do more than cover?
- A hydrocolloid breakout patch with mandelic acid and a smoothing 4-mula, clinically tested for 30-minute soothing
- Market position
- By Wishtrend Mandelic Acid Calming Care Patch 39 patches · Product Code BW20068
- How to sell it in one line
- Answers your staff can give on the spot
- Pair it to grow the basket
01 · The buyer decision
The listing question: does it do more than cover?
On Allegro and other Polish marketplaces, breakout patches sell on one question: does this one actually do more than cover? The listing needs a number.[1]

By Wishtrend Mandelic Acid Calming Care Patch gives it one. In a clinical study, troubled areas were calmed in 30 minutes.[1]

02 · Proof
A hydrocolloid breakout patch with mandelic acid and a smoothing 4-mula, clinically tested for 30-minute soothing
The study by P&K Skin Research Center ran from April to May 2025 with 21 subjects aged 20 to 59.[1]


It measured 30-minute soothing of reddened troubled areas, visible improvement of protruding sebum after a single use, and reduced appearance of post-breakout dark spots.[1]
03 · Positioning
Market position


| Type | What that type sells | Where this product stands |
|---|---|---|
| Plain hydrocolloid patch | Cover and protect | Mandelic acid and a 4-ingredient blend inside the patch |
| Spot treatment gel | Actives, but visible on skin | Tapered edges for undetectable cover |
| Single-size patch sheet | One size for every spot | Three sizes for breakouts in all stages |
04 · Product at a glance
By Wishtrend Mandelic Acid Calming Care Patch 39 patches · Product Code BW20068


- Format: Hydrocolloid patches, 39 per pack[1]
- Sizes: 10 mm, 12 mm and 14 x 23 mm[1]
- Key ingredients: Mandelic acid, niacinamide, madecassoside, willow bark extract, zinc PCA[1]
- Clinical test: P&K Skin Research Center, Apr to May 2025, 21 subjects aged 20 to 59[1]
- Tested results: 30-minute soothing, sebum improvement after one use, dark spot appearance[1]
05 · Display and training
How to sell it in one line
Lead the listing with the result and the lab: "Calmed in 30 minutes, P&K Skin Research Center, 21 adults."[1]

Show all three patch sizes in one image, then cross-sell Mandelic Acid Dark Spot Glow Serum for the marks that stay.[1]

06 · Retailer FAQ
Answers your staff can give on the spot
- What is inside the patch? Mandelic acid with niacinamide, madecassoside, willow bark extract and zinc PCA.
- How many patches are in a pack? 39 patches in three sizes: 10 mm, 12 mm and 14 x 23 mm.
- Is it visible on skin? Tapered edges give undetectable cover.
- When is it removed? When the patch turns white or swells.

07 · Retailer TIP
Pair it to grow the basket
| Pair with | Why it sells together |
|---|---|
| By Wishtrend Mandelic Acid Dark Spot Glow Serum | Care for the marks after the breakout |
| By Wishtrend Mandelic Acid Gentle Exfoliating Toner | The daily mandelic acid step |

Partner with WishTrade
Partner package: what we bring to your shelf
| Package | What is included |
|---|---|
| Global reach | 80+ countries and 10,000+ online and offline retail partners. [3] |
| Clinical & Marketing Assets | Ingredient and clinical documentation, consumer education and content materials. [3] |
| Sample Program | Support for buyer review and in-store consumer trials. [3] |
| Flexible MOQ | Order requirements matched to your retail or distribution scale. [3] |
| Dedicated Account Manager | One contact to coordinate your partner operations. [3] |
Request a wholesale account and put By Wishtrend Mandelic Acid Calming Care Patch 39 patches on your shelf
See why retailers stock Wishcompany brands in 7 Reasons Your K-Beauty Shop Must Stock Klairs, then request a wholesale account. Your account manager will set up samples, assortment and order details with you.
Sources: [1] By Wishtrend official product page (bywishtrend.com). [2] WishTrade product page (wishtrade.co.kr). [3] WishTrade partner package (wishtrade.co.kr).