Skip to content
TrackPin
Check a price
Menu
Developers

Theme

Sunday Riley C.E.O. 15% Vitamin C Brightening Serum

Rated4.5(1,706 ratings)In stock

Good price

$59.50 is 17% below the $72.25 it normally sells for.

Now
$59.50
Normally
$72.25
Lowest in 138 days
$51.00(Oct 2)
Highest
$85.00
Evidence: Strong138 days tracked15 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $59.50. No account, no newsletter.

The listing's crossed-out price

Holds up

The listing shows

crossed out: List $85.00 −30%

Against its normal price

−17% vs $72.25

List $85.00 (−30%) holds up: today's price is 17% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 26 · 138 days · 15 price changes

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $72.25
  • 5% or more below normal

How often does it drop below normal?

In the 138 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting about 1 day. It's below normal right now.

A count of what happened, not a prediction.

More real deals in Luxury Beauty

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B074JXVVW3
Request
curl https://trackpin.co/api/v1/product/B074JXVVW3 \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 18:00 UTC
{
  "asin": "B074JXVVW3",
  "title": "Sunday Riley C.E.O. 15% Vitamin C Brightening Serum",
  "image": "https://m.media-amazon.com/images/I/61yLhCG7BSL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Prestige Beauty",
  "category_label": "Luxury Beauty",
  "in_stock": true,
  "price": {
    "current_cents": 5950,
    "reference_cents": 7225,
    "discount_pct": 17.65,
    "is_deal": true,
    "observed_at": 1794414285503,
    "changed_at": 1794206072098,
    "checked_at": 1794414285503,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 17.65,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $59.50 is 17% below the $72.25 it normally sells for."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 8500,
    "claimed_pct": 30,
    "real_pct": 17.65,
    "class": "holds_up",
    "observed_at": 1794394075816
  },
  "stats": {
    "min_cents": 5100,
    "max_cents": 8500,
    "avg_cents": 7947,
    "history_days": 138,
    "price_levels": 185,
    "price_changes": 15,
    "distinct_prices": 5,
    "lowest_at": 1790953796831
  },
  "history": [
    {
      "price_cents": 8500,
      "from": 1791189648296,
      "to": 1791314567526
    },
    {
      "price_cents": 8000,
      "from": 1791450997405,
      "to": 1792690837002
    },
    {
      "price_cents": 7225,
      "from": 1792701266251,
      "to": 1793810374530
    },
    {
      "price_cents": 8500,
      "from": 1793818886889,
      "to": 1794192018900
    },
    {
      "price_cents": 5950,
      "from": 1794206072098,
      "to": 1794414285503
    }
  ],
  "last_seen": 1794414285503
}
// … 180 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.