{"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":"2026-09-17T12:27:04+00:00","price":"126.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DQSK8Y52?maas=maas_adg_api_577451609539930226_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB7dcfc9f7d3ba88d097d9be3110b11693&aa_adgroupid=ae3dedaeb63ca304934622ec4113576c_PBSEP_!!!affid!!!_118045_&aa_creativeid=3ea6qOIb4tlYC2BQjzYt3QEWXQtpxwcGchTVD6_ajZejsrvE_c"}],"product":{"brand":"Nanoleaf UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/nanoleaf-led-face-mask-432-leds-red-light-therapy-mask-with-7-modes-b0dqsk8y52/prices","gtin":null,"id":6892,"model_number":null,"name":"Nanoleaf LED Face Mask 432 LEDs, Red Light Therapy Mask with 7 Modes","product_url":"https://mail.mainbuyer.com/product/nanoleaf-led-face-mask-432-leds-red-light-therapy-mask-with-7-modes-b0dqsk8y52","urn":"MB-AWIN-GB-B0DQSK8Y52"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"126.00","historical_low":"126.00","last_observed_at":"2026-09-17T12:27:04+00:00","low_30d":"126.00","low_90d":"126.00","median_price":"126.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:04+00:00"}}