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MONAT Barrier Booster™ Niacinamide Glow Serum – Lightweight, Fragrance-Free Face Serum - Hydrate, Strengthen, & Boost Skin Barrier – Layer-Ready Formula for Smooth, Glass-Skin Finish – 30 ml / 1 fl oz

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Rated5.0(1 rating)In stock

Good price

$57.75 is 19% below the $71.99 it normally sells for.

Now
$57.75
Normally
$71.99
Lowest in 139 days
$46.20(Sep 1)
Highest
$77.00
Evidence: Strong139 days tracked12 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 $57.75. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Holds up

The listing shows

crossed out: List $77.00 −25%

Against its normal price

−19% vs $71.99

List $77.00 (−25%) holds up: today's price is 19% 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 · 139 days · 12 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 19% below its normal price of $71.99. MONAT Barrier Booster™ Niacinamide Glow Serum price history, checked Nov 12, 2026: current price $57.75, normal (typical) price $71.99, average $69.22 over 139 days, lowest $46.20 (Sep 1, 2026), highest $77.00 (Nov 1, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $71.99
  • 5% or more below normal

How often does it drop below normal?

In the 139 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 5 times, typically lasting about 4 days. It's below normal right now.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $57.75

    Monat GlobalFulfilled by Amazon · Seller rating 100% of 417

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0FQ4PXHZR
Request
curl https://trackpin.co/api/v1/product/B0FQ4PXHZR \
  -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 23:55 UTC
{
  "asin": "B0FQ4PXHZR",
  "title": "MONAT Barrier Booster™ Niacinamide Glow Serum – Lightweight, Fragrance-Free Face Serum - Hydrate, Strengthen, & Boost Skin Barrier – Layer-Ready Formula for Smooth, Glass-Skin Finish – 30 ml / 1 fl oz",
  "image": "https://m.media-amazon.com/images/I/61b+PRoSxTL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Beauty",
  "category_label": "Beauty",
  "in_stock": true,
  "price": {
    "current_cents": 5775,
    "reference_cents": 7199,
    "discount_pct": 19.78,
    "is_deal": true,
    "observed_at": 1794524869087,
    "changed_at": 1794470475888,
    "checked_at": 1794524869087,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 19.78,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $57.75 is 19% below the $71.99 it normally sells for."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 7700,
    "claimed_pct": 25,
    "real_pct": 19.78,
    "class": "holds_up",
    "observed_at": 1794471026500
  },
  "stats": {
    "min_cents": 4620,
    "max_cents": 7700,
    "avg_cents": 6922,
    "history_days": 139,
    "price_levels": 181,
    "price_changes": 12,
    "distinct_prices": 7,
    "lowest_at": 1788246261143
  },
  "history": [
    {
      "price_cents": 5390,
      "from": 1791270096028,
      "to": 1791270756972
    },
    {
      "price_cents": 7700,
      "from": 1791443673967,
      "to": 1791443673967
    },
    {
      "price_cents": 7199,
      "from": 1791482535910,
      "to": 1793515928955
    },
    {
      "price_cents": 7700,
      "from": 1793516869799,
      "to": 1794451147859
    },
    {
      "price_cents": 5775,
      "from": 1794470475888,
      "to": 1794524869087
    }
  ],
  "last_seen": 1794524869087
}
// … 176 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.