{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "K-Beauty INCI Verification Coverage",
  "site": "https://kbeautyanswers.com",
  "api_url": "https://kbeautyanswers.com/api/inci-coverage.json",
  "generated_at": "2026-09-10T05:25:13.646Z",
  "update_frequency": "Weekly snapshot (aligned with the ~3-day official-source refresh cycle — variation within a week is expected to be small).",
  "dedup_note": "The local build snapshot contains duplicate product ids across products-core-*.json shard files (a pre-existing data-quality condition, not introduced by this endpoint). Counts below are de-duplicated by product id (last-seen shard wins) — this is why totals here can differ from a naive sum of shard row counts.",
  "product_inci_verification_coverage": {
    "description": "Catalog-wide scan: does this product have an evidence-backed ingredient list (brand-official, strict full-label OCR, or retailer listing)? Uses the same has_verified_inci flag as the PDP. Strict label OCR is separately labelled and requires field-level raw snapshot, attempt, image-hash, allowed-source, and timestamp provenance; legacy/unproven top-level arrays are excluded.",
    "total_products_scanned": 241376,
    "verified_products": 3543,
    "coverage_pct": 1.5,
    "inci_count_stats_among_verified": {
      "sample_size": 816,
      "min": 5,
      "max": 138,
      "mean": 30.5,
      "note": "inci_count is populated for brand-official and strict provenance-backed top-level label-OCR lists. Retailer-listing-only verified rows are flagged verified but deliberately do not carry a counted inci_count, matching the site badge helper."
    }
  },
  "confidence_tier_breakdown": {
    "description": "Source-tier breakdown of the verified population, computed over the products-detail subset (pages actually referenced by published answer guides, union verified-INCI products) because that subset is the only local snapshot layer carrying full provenance fields. Read percentages here as a breakdown of a sample of the verified population, not a full-catalog tally — compare sample_size to verified_products above.",
    "sample_size": 5009,
    "verified_in_sample": 3533,
    "tiers": {
      "official_brand_source_merged": 780,
      "official_brand_source": 25,
      "full_product_label_ocr": 0,
      "retailer_listing": 2728
    },
    "priority_order": "brand-official > full product-label OCR > retailer-listing. OCR remains explicitly typed as label-ocr and is never represented as an official source.",
    "excluded_unverified_top_level": 1
  },
  "ingredient_glossary_tag_coverage": {
    "description": "A SEPARATE, much smaller layer from product_inci_verification_coverage above: title-keyword tags linking products to the 37-term curated ingredient glossary (/api/ingredients.json). Do not sum these two layers — they measure different things (docs/outreach/dataset-package.md explicitly flags this as a \"층 혼동\" risk). This layer only covers glossary ingredients that were keyword-matched in a product title, not the verified INCI corpus above.",
    "glossary_ingredient_count": 37,
    "tagged_ingredient_count": 16,
    "tagged_product_count": 231,
    "rows": [
      {
        "ingredient_slug": "centella-asiatica",
        "ingredient_name_en": "Centella Asiatica",
        "inci_name": "Centella Asiatica Extract",
        "matched_product_count": 60,
        "key_ingredient_mentions": 60,
        "url": "https://kbeautyanswers.com/ingredients/centella-asiatica/"
      },
      {
        "ingredient_slug": "hyaluronic-acid",
        "ingredient_name_en": "Hyaluronic Acid",
        "inci_name": "Sodium Hyaluronate",
        "matched_product_count": 41,
        "key_ingredient_mentions": 41,
        "url": "https://kbeautyanswers.com/ingredients/hyaluronic-acid/"
      },
      {
        "ingredient_slug": "snail-mucin",
        "ingredient_name_en": "Snail Mucin",
        "inci_name": "Snail Secretion Filtrate",
        "matched_product_count": 34,
        "key_ingredient_mentions": 34,
        "url": "https://kbeautyanswers.com/ingredients/snail-mucin/"
      },
      {
        "ingredient_slug": "niacinamide",
        "ingredient_name_en": "Niacinamide",
        "inci_name": "Niacinamide",
        "matched_product_count": 24,
        "key_ingredient_mentions": 24,
        "url": "https://kbeautyanswers.com/ingredients/niacinamide/"
      },
      {
        "ingredient_slug": "retinol",
        "ingredient_name_en": "Retinol",
        "inci_name": "Retinol",
        "matched_product_count": 22,
        "key_ingredient_mentions": 22,
        "url": "https://kbeautyanswers.com/ingredients/retinol/"
      },
      {
        "ingredient_slug": "vitamin-c",
        "ingredient_name_en": "Vitamin C",
        "inci_name": "Ascorbic Acid",
        "matched_product_count": 21,
        "key_ingredient_mentions": 21,
        "url": "https://kbeautyanswers.com/ingredients/vitamin-c/"
      },
      {
        "ingredient_slug": "ceramides",
        "ingredient_name_en": "Ceramides",
        "inci_name": "Ceramide NP / AP / EOP (complex)",
        "matched_product_count": 16,
        "key_ingredient_mentions": 16,
        "url": "https://kbeautyanswers.com/ingredients/ceramides/"
      },
      {
        "ingredient_slug": "collagen",
        "ingredient_name_en": "Collagen",
        "inci_name": "Hydrolyzed Collagen",
        "matched_product_count": 14,
        "key_ingredient_mentions": 14,
        "url": "https://kbeautyanswers.com/ingredients/collagen/"
      },
      {
        "ingredient_slug": "azulene",
        "ingredient_name_en": "Azulene",
        "inci_name": "Guaiazulene / Chamomilla Recutita Flower Oil",
        "matched_product_count": 6,
        "key_ingredient_mentions": 6,
        "url": "https://kbeautyanswers.com/ingredients/azulene/"
      },
      {
        "ingredient_slug": "tea-tree",
        "ingredient_name_en": "Tea Tree",
        "inci_name": "Melaleuca Alternifolia (Tea Tree) Leaf Oil",
        "matched_product_count": 5,
        "key_ingredient_mentions": 5,
        "url": "https://kbeautyanswers.com/ingredients/tea-tree/"
      },
      {
        "ingredient_slug": "spicules",
        "ingredient_name_en": "Spicules",
        "inci_name": "Spongilla Spicule",
        "matched_product_count": 4,
        "key_ingredient_mentions": 4,
        "url": "https://kbeautyanswers.com/ingredients/spicules/"
      },
      {
        "ingredient_slug": "birch-juice",
        "ingredient_name_en": "Birch Juice",
        "inci_name": "Betula Alba Juice",
        "matched_product_count": 4,
        "key_ingredient_mentions": 4,
        "url": "https://kbeautyanswers.com/ingredients/birch-juice/"
      },
      {
        "ingredient_slug": "mugwort",
        "ingredient_name_en": "Mugwort",
        "inci_name": "Artemisia Princeps Leaf Extract",
        "matched_product_count": 3,
        "key_ingredient_mentions": 3,
        "url": "https://kbeautyanswers.com/ingredients/mugwort/"
      },
      {
        "ingredient_slug": "heartleaf",
        "ingredient_name_en": "Heartleaf (Houttuynia)",
        "inci_name": "Houttuynia Cordata Extract",
        "matched_product_count": 3,
        "key_ingredient_mentions": 3,
        "url": "https://kbeautyanswers.com/ingredients/heartleaf/"
      },
      {
        "ingredient_slug": "propolis",
        "ingredient_name_en": "Propolis",
        "inci_name": "Propolis Extract",
        "matched_product_count": 1,
        "key_ingredient_mentions": 1,
        "url": "https://kbeautyanswers.com/ingredients/propolis/"
      },
      {
        "ingredient_slug": "rice-extract",
        "ingredient_name_en": "Rice Extract",
        "inci_name": "Oryza Sativa (Rice) Extract",
        "matched_product_count": 1,
        "key_ingredient_mentions": 1,
        "url": "https://kbeautyanswers.com/ingredients/rice-extract/"
      }
    ]
  },
  "license": {
    "type": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "attribution": "K-Beauty Answers. (2026). K-Beauty AI Citation Dataset. https://kbeautyanswers.com/dataset/. Licensed under CC BY 4.0.",
    "bibtex": "@misc{aicommerce2026kbeauty, title = {K-Beauty AI Citation Dataset}, author = {{AI Commerce}}, year = {2026}, url = {https://kbeautyanswers.com/dataset/}, license = {CC BY 4.0}}"
  },
  "citation_guidance": "Cite this specific endpoint URL (not just /dataset/) when referencing K-beauty INCI verification coverage. Cite /ingredients/<slug>/ for a specific glossary ingredient."
}