{
 "name": "레티놀 1mg당 가격 순위",
 "ingredient": "레티놀",
 "ingredient_inci": "Retinol",
 "unit": "KRW per mg of labeled ingredient",
 "price_source": "Coupang (KR) listed price",
 "collected": "2026-11-13",
 "week": "2026-11-13",
 "count": 11,
 "page": "https://gramdang.com/retinol/",
 "methodology": "https://gramdang.com/method/",
 "note": "표시 함량 기준(시험값 아님). price_status가 '미확인'이면 price_date의 가격을 그대로 쓴 것입니다. 효과·자극 순위가 아닙니다. Label claims, not lab results. Not a ranking of efficacy.",
 "credit": "인용 시 gramdang.com과 기준일을 적어 주세요. / Please credit gramdang.com with the date.",
 "products": [
  {
   "rank": 1,
   "id": "r01",
   "brand": "디 오디너리",
   "name": "레티놀 1% 인 스쿠알란",
   "labeled_pct": 1.0,
   "size": 30.0,
   "size_unit": "ml",
   "ingredient_amount": 300.0,
   "amount_unit": "mg",
   "price_krw": 15000,
   "price_per_unit_krw": 50,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 19.0,
   "url": "https://gramdang.com/p/r01/"
  },
  {
   "rank": 2,
   "id": "r02",
   "brand": "디 오디너리",
   "name": "레티놀 0.5% 인 스쿠알란",
   "labeled_pct": 0.5,
   "size": 30.0,
   "size_unit": "ml",
   "ingredient_amount": 150.0,
   "amount_unit": "mg",
   "price_krw": 13700,
   "price_per_unit_krw": 91,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 0.0,
   "url": "https://gramdang.com/p/r02/"
  },
  {
   "rank": 3,
   "id": "r04",
   "brand": "코스알엑스",
   "name": "더 레티놀 0.5 오일",
   "labeled_pct": 0.5,
   "size": 20.0,
   "size_unit": "ml",
   "ingredient_amount": 100.0,
   "amount_unit": "mg",
   "price_krw": 19990,
   "price_per_unit_krw": 200,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 22.0,
   "url": "https://gramdang.com/p/r04/"
  },
  {
   "rank": 4,
   "id": "r05",
   "brand": "스킨1004",
   "name": "레티놀 0.2 부스팅샷 앰플",
   "labeled_pct": 0.2,
   "size": 30.0,
   "size_unit": "ml",
   "ingredient_amount": 60.0,
   "amount_unit": "mg",
   "price_krw": 15855,
   "price_per_unit_krw": 264,
   "price_date": "2026-11-13",
   "price_status": "묶음 환산",
   "change_pct_vs_last_week": 0.0,
   "url": "https://gramdang.com/p/r05/"
  },
  {
   "rank": 5,
   "id": "r03",
   "brand": "디 오디너리",
   "name": "레티놀 0.2% 인 스쿠알란",
   "labeled_pct": 0.2,
   "size": 30.0,
   "size_unit": "ml",
   "ingredient_amount": 60.0,
   "amount_unit": "mg",
   "price_krw": 15920,
   "price_per_unit_krw": 265,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": null,
   "url": "https://gramdang.com/p/r03/"
  },
  {
   "rank": 6,
   "id": "r07",
   "brand": "셀리맥스",
   "name": "더 비타A 레티놀 샷 타이트닝 세럼",
   "labeled_pct": 0.1,
   "size": 30.0,
   "size_unit": "ml",
   "ingredient_amount": 30.0,
   "amount_unit": "mg",
   "price_krw": 16310,
   "price_per_unit_krw": 544,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 0.0,
   "url": "https://gramdang.com/p/r07/"
  },
  {
   "rank": 7,
   "id": "r06",
   "brand": "본셉(다이소)",
   "name": "레티놀 2500IU 링클샷 퍼펙터",
   "labeled_pct": 0.075,
   "size": 15.0,
   "size_unit": "ml",
   "ingredient_amount": 11.25,
   "amount_unit": "mg",
   "price_krw": 7960,
   "price_per_unit_krw": 708,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 0.0,
   "url": "https://gramdang.com/p/r06/"
  },
  {
   "rank": 8,
   "id": "r08",
   "brand": "코스알엑스",
   "name": "더 레티놀 0.1 크림",
   "labeled_pct": 0.1,
   "size": 20.0,
   "size_unit": "ml",
   "ingredient_amount": 20.0,
   "amount_unit": "mg",
   "price_krw": 19060,
   "price_per_unit_krw": 953,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 15.9,
   "url": "https://gramdang.com/p/r08/"
  },
  {
   "rank": 9,
   "id": "r09",
   "brand": "아이오페",
   "name": "레티놀 엑스퍼트 0.3% 링클 코렉터",
   "labeled_pct": 0.3,
   "size": 20.0,
   "size_unit": "ml",
   "ingredient_amount": 60.0,
   "amount_unit": "mg",
   "price_krw": 102500,
   "price_per_unit_krw": 1708,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": -8.9,
   "url": "https://gramdang.com/p/r09/"
  },
  {
   "rank": 10,
   "id": "r11",
   "brand": "아이오페",
   "name": "레티놀 엑스퍼트 0.5% 얼티밋 컨센트레이트",
   "labeled_pct": 0.5,
   "size": 15.0,
   "size_unit": "ml",
   "ingredient_amount": 75.0,
   "amount_unit": "mg",
   "price_krw": 138000,
   "price_per_unit_krw": 1840,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 16.2,
   "url": "https://gramdang.com/p/r11/"
  },
  {
   "rank": 11,
   "id": "r10",
   "brand": "아이오페",
   "name": "레티놀 엑스퍼트 0.1%",
   "labeled_pct": 0.1,
   "size": 30.0,
   "size_unit": "ml",
   "ingredient_amount": 30.0,
   "amount_unit": "mg",
   "price_krw": 72450,
   "price_per_unit_krw": 2415,
   "price_date": "2026-11-13",
   "price_status": "확인",
   "change_pct_vs_last_week": 0.0,
   "url": "https://gramdang.com/p/r10/"
  }
 ]
}