Oishi is Liwayway’s Southeast Asian snack brand—prawn crackers, potato and corn snacks, biscuits, sweet pillows, drinks, and a long flavour list across the Philippines, Indonesia, China, Thailand (local branding varies), and export shelves. The Halal question is product-level, not “the Oishi molecule.”
Official product-level Halal tags
Indonesia. PT Liwayway’s official About page states that foods and beverages produced at its Indonesian factories are registered HALAL from the Indonesian Ulema Council (MUI) and meet BPOM standards (oishi.co.id/en/about-us, retrieved 12 August 2026). Prefer packs that still print the current national Halal mark under the MUI/BPJPH framework for the SKU you buy—registration language is strong manufacturer evidence, and the on-pack logo is what you verify at the shelf.
Philippines. Oishi’s home market (oishi.com.ph, retrieved 12 August 2026) publishes brand and product storytelling, not a single PDF declaring every flavour Halal forever. Iconic lines such as prawn crackers are frequently sold with product-level Halal certification claims; treat those as bag-specific. When a Philippine Halal mark is claimed, bodies such as IDCP Halal are among the local certifiers consumers use for verification—match the logo on the bag, not a retailer blurb alone.
Uncertified flavours stay separate
Limited editions, cross-border imports, marshmallow or gelatin novelties, and cheese/meat-style seasonings can diverge from a certified prawn-cracker SKU. One Halal-marked bag does not certify the brand. If the flavour in your hand has no mark, read ingredients (oils, flavours, gelatin, animal enzymes) the same way you would any uncertified snack—or choose a marked SKU.
Seafood snacks and school rules
Prawn crackers are shrimp-based snacks. Even with a Halal production mark, crustacean permissibility still follows your school—see shrimp. Certification answers slaughter/additive/factory audit questions; it does not erase madhhab differences about shellfish.
Practical verification
- Country of manufacture and Halal logo on this bag.
- Indonesia: align with current MUI/BPJPH marks and Liwayway’s published registration.
- Philippines/export: product-level only.
- Unmarked novelty flavour → separate homework.
- Prawn lines → also apply your seafood school ruling.
Bottom line: Oishi is Market-dependent—trust official on-pack Halal tags for named SKUs; keep uncertified flavours in a separate file.