{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:28:01+00:00","price":"28.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CDWLC2C4?maas=maas_adg_api_591525871149210265_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB74de774f6de83da526fb69bcd8ceade5&aa_adgroupid=dbacb6eb8e0b17b5f47f71a8fbfcbe71_PBSEP_!!!affid!!!_118045_&aa_creativeid=3493hKYqGw2hfd7CbSkoCiWesq_aqXAv8LmFuKq8Ybmb3_b3g_c"}],"product":{"brand":"LiArty UK","evidence_url":"https://www.mainbuyer.com/evidence/products/liarty-cordless-beauty-led-face-mask-led-light-mask-for-face-skin-care-b0cdwlc2c4/prices","gtin":null,"id":8538,"model_number":null,"name":"LIARTY Cordless Beauty Led Face Mask, Led Light Mask for Face Skin Care","product_url":"https://www.mainbuyer.com/product/liarty-cordless-beauty-led-face-mask-led-light-mask-for-face-skin-care-b0cdwlc2c4","urn":"MB-AWIN-GB-B0CDWLC2C4"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"28.99","historical_low":"28.99","last_observed_at":"2026-09-17T12:28:01+00:00","low_30d":"28.99","low_90d":"28.99","median_price":"28.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:01+00:00"}}