Short verdict
Buy online. Best ordered before or after travel when convenience, delivery, or luggage space matters more.
Cleansing balm is useful if you wear sunscreen or makeup, but it is not always worth international shipping by itself.
What to know
Buy online when it is from a brand you already trust or bundled with other items from the same retailer.
What to avoid
Skip if the product is heavy, easy to replace locally, or your skin reacts to essential oils and fragrance.
Final verdict: add to a larger cart, do not chase it alone.