Does K-beauty powder last forever? Five expiry checks for blush and eyeshadow

1. 01

   Read the Korean product's use-by or after-opening label

   On the actual box or compact look for ‘사용기한’ (use-by date) or ‘개봉 후 사용기간’ (period after opening), a batch code and precautions. Korean MFDS includes these among package disclosures. A manufacturing date is not automatically an expiration date. Check the label for your own market and product version.

2. 02

   Record when you first opened it if a period applies

   An open-jar 6M or 12M symbol typically means six or twelve months after opening when used. Do not assume every Korean product carries the same period. Note the actual opening date. If unknown, review the label, purchase records and manufacturer advice; do not invent a date or infer an expiry solely from a batch code.

3. 03

   Do not treat ‘powder never dies’ as proof

   The Korean creator's 2020 video discussed bacterial testing of selected powder samples. Reports of low counts in those samples do not establish every product's preservative stability, ingredient integrity, long-term safety or personal skin response. Eye cosmetics also differ in storage, usage and applicator hygiene. A dry-looking compact is not a reason to ignore its labeled period.

   ✿ Visual references for this step 1 items

   Official video · post

4. 04

   Check for spoilage and avoid contamination

   Stop use if smell, color or texture changes or moisture gets inside, even before a printed limit. FDA explains that heat, humidity, air, fingers and applicators can affect cosmetic shelf life and add microbes. Normal appearance alone is not proof of safety. Keep makeup brushes clean, avoid sharing products and store them away from excessive heat and humidity. The AAD also lists crumbling powder eyeshadow or blush as a sign to discard makeup. Wash hands and face before application, use clean tools and keep moisture out of the compact. **Make tool hygiene specific:** The American Academy of Dermatology (AAD) recommends washing makeup brushes every 7–10 days and sponges after every use. Wash only brush tips in lukewarm water with gentle shampoo, rinse thoroughly, and dry them flat and completely. Do not immerse the entire brush or use a wet brush on powder. General hygiene guidance does not extend a Korean cosmetic's printed expiry.

   ✿ Visual references for this step 1 items

   Official video · post

5. 05

   If the time limit has passed or is unclear, stop and check

   Do not extend an expired compact's use merely because it contains powder. Contact the manufacturer with the name and batch code if the period is unreadable. Spraying alcohol or scraping the surface does not establish verified safety for old makeup. After an eye infection, discard eye cosmetics used at the time and seek medical care as appropriate. Close lids after use and store makeup at room temperature in a dry, clean place away from sun and humid bathrooms. Proper storage does not extend a printed time limit.

✓ You finished the tutorial!