{
 "id": 153028,
 "name": "The Hair Serum Fortifying Scalp & Hair Serum",
 "brand": "The Hair Serum",
 "gtin": "857249008201",
 "category": "hair-serums",
 "size": {
  "value": null,
  "unit": "ml"
 },
 "size_as_extracted": {
  "value": null,
  "unit": "ml"
 },
 "unit_price_unit": "L",
 "specs": {
  "net_volume_ml": null,
  "application_type": "Leave-in",
  "hair_treatment_effect": null,
  "suitable_for_hair_type": null,
  "constitutive_ingredients": "Creatine, turmeric root extract, panthenol, caffeine, hydrolyzed pea protein, hydrolyzed vegetable protein",
  "product_form": "Liquid",
  "hair_care_finish": null
 },
 "standard_attributes": {
  "Application type": "Leave-in",
  "Conditioner effect": "Strengthening",
  "Hair treatment effect": "Strengthening",
  "Product form": "Serum"
 },
 "shopify_category_id": "gid://shopify/TaxonomyCategory/hb-3-10-14-3",
 "meets_minimum_spec": false,
 "tier": "mid",
 "premium_note": "The fortifying formula combines proteins, creatine, and botanical extracts.",
 "best": null,
 "lowest_price": {
  "price": 69.0,
  "retailer": "ulta",
  "url": "https://www.ulta.com/p/hair-serum-fortifying-scalp-hair-serum-mkt77002643"
 },
 "size_missing": true,
 "unranked_reason": "size_missing",
 "offers": [
  {
   "retailer": "ulta",
   "retailer_id": "77004656",
   "gtin": "857249008201",
   "price": 69.0,
   "currency": "USD",
   "price_usd": 69.0,
   "unit_price": null,
   "availability": "InStock",
   "in_stock": true,
   "seller": null,
   "first_party": null,
   "shipping": null,
   "size_text": null,
   "url": "https://www.ulta.com/p/hair-serum-fortifying-scalp-hair-serum-mkt77002643",
   "observed_at": "2026-10-09T12:29:49-04:00",
   "age_minutes_at_build": 18716
  }
 ],
 "url": "/items/153028.json",
 "html": "/items/153028.html",
 "history": [
  {
   "retailer": "ulta",
   "price": 69.0,
   "unit_price": null,
   "observed_at": "2026-10-09T12:29:49-04:00"
  }
 ]
}