Short verdict
Buy online. Best ordered before or after travel when convenience, delivery, or luggage space matters more.
Start with repeat-use value, not hype. Lightweight skincare, small sets, and products you already know are better candidates than bulky basics.
What to know
Buy online when the product is available from Olive Young Global or another trusted retailer and you do not need to test texture in person.
What to avoid
Skip if shipping costs more than the item, if the product is heavy, or if you can buy a similar item locally from a trusted seller.
Final verdict: ship only compact, repeatable products with a clear reason to buy Korean.