Comedogenic ingredient API

A free, read-only JSON API over our database of 560+ ingredients — comedogenicity rating (0–5), pore-clogging flag and fungal-acne (Malassezia) trigger. Build it into your own app, store or skincare tool.

Look up one ingredient

GET https://acnesafecheck.com/api/check?ingredient=coconut oil

{
  "query": "coconut oil",
  "result": {
    "name": "Coconut Oil", "rating": 4, "category": "Oil",
    "poreClogging": true, "fungalAcneTrigger": true,
    "slug": "coconut-oil",
    "url": "https://acnesafecheck.com/ingredient/coconut-oil.html"
  }
}

Screen a whole ingredient list

GET https://acnesafecheck.com/api/check?ingredients=water,glycerin,coconut oil,niacinamide

{
  "summary": { "total": 4, "matched": 4, "poreClogging": 1, "fungalAcneTriggers": 1 },
  "results": [ { "input": "water", "name": "Water", "rating": 0, ... }, ... ]
}

Notes

CORS is enabled — call it directly from the browser.
Responses are cached at the edge; no API key required for normal use.
Ratings are general guidance compiled from published references, not medical advice. Please attribute acnesafecheck.com.

Need higher volume, a bulk dataset, or commercial terms? That's part of our upcoming premium plan — get in touch.