{"ok":true,"data":{"product":{"brand":"COSRX","name":"The Vitamin C 13 Serum","slug":"cosrx-the-vitamin-c-13-serum","product_url":"/products/cosrx-the-vitamin-c-13-serum","brand_url":"/brands/cosrx","subcategory":"serum","formulation":"serum","finish":null,"price_tier":"drugstore","enriched_price":"$14.70","enriched_price_usd":14.7,"retailers":["Amazon","Ulta","YesStyle","Olive Young US","StyleKorean","Stylevana","Soko Glam","iHerb","Nordstrom","Dermstore"],"key_ingredients":["Ascorbic Acid","Sodium 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use.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=HsqAruN-FIA","sentiment":"cautionary","topics":["oxidation","warning"],"mentions_variant":null},{"text":"COSRX vitamin C serum even though it contains 23% pure vitamin C the formulation is such that it's not gonna irritate your skin even if you use it daily.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=HsqAruN-FIA","sentiment":"positive","topics":["gentle","daily use","non-irritating"],"mentions_variant":null},{"text":"I have used it daily in my nighttime skincare routine and it never caused a problem.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=HsqAruN-FIA","sentiment":"positive","topics":["daily use","personal experience"],"mentions_variant":null},{"text":"COSRX vitamin C serum works on all kind of 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it.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=HsqAruN-FIA","sentiment":"cautionary","topics":["sensitive skin","avoid"],"mentions_variant":null},{"text":"I am gonna rate it as five out of five.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=HsqAruN-FIA","sentiment":"positive","topics":["rating","verdict"],"mentions_variant":null}]}],"limitations":["Evidence-tag coverage is creator-dependent. Absence of a skin tone, white-cast, fragrance-free, fungal-acne-safe, or pregnancy-safe tag means not stated, not false.","Evidence is from YouTube creators only — not clinical trials or dermatologist studies."]}}