{"niche":"哪款面部紧致（面部提拉/面部微电流）仪器最强效？","description":"What is the most powerful facial toning device available?","products":[{"brand":"Face Gym","model":"Pure Lift Face","price_gbp":372.31,"origin_country":null,"specs":{"massager_heads":"2","treatment_time":"10"},"confidence_score":null,"sources":[{"label":"PureLift LAB (official store)","url":"https://pureliftlab.com/products/purelift-face","currency":"USD","source_country":"US","price":499.0,"price_gbp":372.31,"scraped_at":"2026-06-14T06:34:28.600850"},{"label":"OhBeauty","url":"https://ohbeauty.com/collections/purelift/products/purelift-face","currency":"USD","source_country":"US","price":499.0,"price_gbp":372.31,"scraped_at":"2026-06-14T06:34:28.600850"},{"label":"FaceGym (USA) - PureLift Pro page (FaceGym sells PureLift line)","url":"https://usa.facegym.com/products/purelift-pro","currency":"USD","source_country":"US","price":799.0,"price_gbp":596.14,"scraped_at":"2026-06-14T06:34:28.600850"},{"label":"PureLift LAB (official store)","url":"https://pureliftlab.com/products/purelift-face","currency":"USD","source_country":"US","price":499.0,"price_gbp":372.31,"scraped_at":"2026-06-14T06:34:31.467928"},{"label":"OhBeauty","url":"https://ohbeauty.com/collections/purelift/products/purelift-face","currency":"USD","source_country":"US","price":499.0,"price_gbp":372.31,"scraped_at":"2026-06-14T06:34:31.467928"},{"label":"FaceGym (USA) - PureLift Pro page (FaceGym sells PureLift line)","url":"https://usa.facegym.com/products/purelift-pro","currency":"USD","source_country":"US","price":799.0,"price_gbp":596.14,"scraped_at":"2026-06-14T06:34:31.467928"}],"summary":"The PureLift Face is an EMS facial trainer that uses randomized multi‑frequency pulses to activate facial muscles for a visible lift and contour in short sessions. It has two contact heads, a built‑in 10‑minute automated treatment cycle, and is aimed at users wanting daily, non‑invasive muscle training rather than microcurrent surface-only treatments.","ideal_for":"..."}]}