{"ok":true,"data":{"product":{"brand":"Glow Recipe","name":"Guava Vitamin C Dark Spot Serum","slug":"glow-recipe-guava-vitamin-c-dark-spot-serum","product_url":"/products/glow-recipe-guava-vitamin-c-dark-spot-serum","brand_url":"/brands/glow-recipe","subcategory":"serum","formulation":"serum","finish":null,"price_tier":"mid_range","enriched_price":"$36","enriched_price_usd":36,"retailers":["Amazon","Sephora"],"key_ingredients":["Vitamin C","Guava Seed Oil","Guava Fruit"],"claims":["brightens dullness","evens skin tone","reduces dark spots"],"consensus_summary":null,"gtin":null,"shades":[]},"signal":{"total_mentions":1,"holy_grail_count":0,"loves_it_count":0,"worth_trying_count":1,"mentions_count":0,"mixed_count":0,"not_recommended_count":0,"unsponsored_count":1,"sponsored_count":0},"caveats":{"mixed_evidence":false,"single_creator":true,"no_price_data":false,"has_negative":false},"tags":{"claims":[{"tag":"fragrance_free","label":"Fragrance-free","group":"claim","polarity":"positive","mention_count":1,"product_count":1,"source_type":"llm_tagger","sample_quote":"The positives are it's niacinamide, no denatured alcohol, no fragrance, no essential oils.","provenance":[{"creator_handle":"vanitarattan","creator_name":"Dr. Vanita Rattan","channel_url":"https://www.youtube.com/@vanitarattan","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY","video_title":"Best & Worst Vitamin C for Skin of Colour","video_date":"2026-03-22"}]},{"tag":"alcohol_free","label":"Alcohol-free","group":"claim","polarity":"positive","mention_count":1,"product_count":1,"source_type":"llm_tagger","sample_quote":"The positives are it's niacinamide, no denatured alcohol, no fragrance, no essential oils.","provenance":[{"creator_handle":"vanitarattan","creator_name":"Dr. Vanita Rattan","channel_url":"https://www.youtube.com/@vanitarattan","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY","video_title":"Best & Worst Vitamin C for Skin of Colour","video_date":"2026-03-22"}]}],"attributes":[],"good_for":[],"best_for":[],"value":[],"warnings":[{"tag":"good_packaging","label":"Good packaging","group":"attribute","polarity":"negative","mention_count":1,"product_count":1,"source_type":"llm_tagger","sample_quote":"It's not an airless pump. 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So, there's oxygen in here.","timestamp_start":1634.88,"timestamp_end":1637.36,"timestamp_start_formatted":"27:14","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY&t=1634s","sentiment":"negative","topics":["packaging","not airless"],"mentions_variant":null},{"text":"The positives are it's niacinamide, no denatured alcohol, no fragrance, no essential oils.","timestamp_start":1622.72,"timestamp_end":1624.32,"timestamp_start_formatted":"27:02","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY&t=1622s","sentiment":"positive","topics":["niacinamide","fragrance-free","alcohol-free"],"mentions_variant":null},{"text":"The fifth ingredient here is tetrahexyldecyl ascorbate. Well done.","timestamp_start":1625.88,"timestamp_end":1627.4,"timestamp_start_formatted":"27:05","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY&t=1625s","sentiment":"positive","topics":["tetrahexyldecyl ascorbate"],"mentions_variant":null},{"text":"The sixth ingredient in here is tranexamic acid, which is a lovely tyrosinase inhibitor.","timestamp_start":1628.88,"timestamp_end":1630.92,"timestamp_start_formatted":"27:08","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY&t=1628s","sentiment":"positive","topics":["tranexamic acid","tyrosinase inhibitor"],"mentions_variant":null},{"text":"Even though it's not an airless pump, I actually really like the formula.","timestamp_start":1637.36,"timestamp_end":1639.56,"timestamp_start_formatted":"27:17","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY&t=1637s","sentiment":"mixed","topics":["formula","packaging"],"mentions_variant":null},{"text":"I quite like the formula.","timestamp_start":1648.8,"timestamp_end":1648.9481818181819,"timestamp_start_formatted":"27:28","video_url":"https://www.youtube.com/watch?v=JKWUGNcG9zY&t=1648s","sentiment":"positive","topics":["formula"],"mentions_variant":null}]}],"limitations":["Evidence-tag coverage is creator-dependent. 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