{"ok":true,"data":{"product":{"brand":"Prequel","name":"Lucent-C Vitamin C Serum","slug":"prequel-lucent-c-vitamin-c-serum","product_url":"/products/prequel-lucent-c-vitamin-c-serum","brand_url":"/brands/prequel","subcategory":"serum","formulation":"serum","finish":null,"price_tier":"mid_range","enriched_price":"$28.99","enriched_price_usd":28.99,"retailers":["Amazon"],"key_ingredients":["15% L-ascorbic acid","ferulic acid"],"claims":["brightens skin","improves firmness","fragrance-free","dermatologist-developed"],"consensus_summary":null,"gtin":"858588004725","shades":[]},"signal":{"total_mentions":2,"holy_grail_count":0,"loves_it_count":0,"worth_trying_count":1,"mentions_count":0,"mixed_count":0,"not_recommended_count":1,"unsponsored_count":2,"sponsored_count":0},"caveats":{"mixed_evidence":false,"single_creator":false,"no_price_data":false,"has_negative":true,"negative_note":"1 creator did not recommend this product."},"tags":{"claims":[],"attributes":[],"good_for":[],"best_for":[],"value":[],"warnings":[{"tag":"pleasant_scent","label":"Pleasant scent","group":"attribute","polarity":"negative","mention_count":1,"product_count":1,"source_type":"llm_tagger","sample_quote":"It even smells like the SkinCeuticals. It smells like meaty water.","warning_text":"scent some found off-putting","provenance":[{"creator_handle":"aliceintherabbithole","creator_name":"AliceintheRabbitHole","channel_url":"https://www.youtube.com/@aliceintherabbithole","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o","video_title":"Honest ranking of prequel skincare","video_date":"2026-06-05"}]},{"tag":"non_sticky","label":"Non-sticky","group":"attribute","polarity":"negative","mention_count":1,"product_count":1,"source_type":"llm_tagger","sample_quote":"I just don't like how it feels. It's got a real heavy, sticky-like feeling. It does eventually absorb, but I still feel it on my skin.","warning_text":"can feel sticky","provenance":[{"creator_handle":"aliceintherabbithole","creator_name":"AliceintheRabbitHole","channel_url":"https://www.youtube.com/@aliceintherabbithole","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o","video_title":"Honest ranking of prequel skincare","video_date":"2026-06-05"}]},{"tag":"non_irritating","label":"Non-irritating","group":"attribute","polarity":"negative","mention_count":1,"product_count":1,"source_type":"llm_tagger","sample_quote":"If you are reactive, it can sting a bit.","warning_text":"irritated some skin","provenance":[{"creator_handle":"aliceintherabbithole","creator_name":"AliceintheRabbitHole","channel_url":"https://www.youtube.com/@aliceintherabbithole","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o","video_title":"Honest ranking of prequel skincare","video_date":"2026-06-05"}]}]},"creators":[{"handle":"drsamellis","display_name":"Dr. Sam Ellis","profile_url":"/creators/drsamellis","channel_url":"https://www.youtube.com/@drsamellis","specialty":["board-certified dermatologist","based in California","skincare focus"],"years_active":5,"subscriber_count":835000,"endorsement_strength":"worth trying","is_sponsored":false,"video_titles":["Science-backed skincare dupes saving patients thousands"],"quotes":[{"text":"I wouldn't call Prequel's vitamin C serum a true dupe because it's more of an evolution of the SkinCeuticals C E Ferulic because instead of having vitamin E, it has a different antioxidant called ergothioneine.","timestamp_start":146.48,"timestamp_end":151.76,"timestamp_start_formatted":"2:26","video_url":"https://www.youtube.com/watch?v=MGQfH7lQPNU&t=146s","sentiment":"mixed","topics":["evolution","different formula","antioxidant"],"mentions_variant":null},{"text":"It was still formulated with the same goals of giving brighter, healthier skin and it's under $25.","timestamp_start":157.76,"timestamp_end":162.959,"timestamp_start_formatted":"2:37","video_url":"https://www.youtube.com/watch?v=MGQfH7lQPNU&t=157s","sentiment":"positive","topics":["affordable","brightening","healthy skin"],"mentions_variant":null}]},{"handle":"aliceintherabbithole","display_name":"AliceintheRabbitHole","profile_url":"/creators/aliceintherabbithole","channel_url":"https://www.youtube.com/@aliceintherabbithole","specialty":["skincare focus","professional beauty reviewer"],"years_active":12,"subscriber_count":58300,"endorsement_strength":"not recommended","is_sponsored":false,"video_titles":["Honest ranking of prequel skincare"],"quotes":[{"text":"I just don't like it.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o","sentiment":"negative","topics":["dislike"],"mentions_variant":null},{"text":"I get why Dr. Sam Ellis chose L-ascorbic acid at 15%. Talk about a clinically studied ingredient.","timestamp_start":1250.2,"timestamp_end":1256.1200000000001,"timestamp_start_formatted":"20:50","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o&t=1250s","sentiment":"positive","topics":["clinically studied","respect"],"mentions_variant":null},{"text":"It even smells like the SkinCeuticals. It smells like meaty water.","timestamp_start":1263.28,"timestamp_end":1269.6399999999999,"timestamp_start_formatted":"21:03","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o&t=1263s","sentiment":"negative","topics":["smell"],"mentions_variant":null},{"text":"It is runny. It will oxidize in time. It's already a little bit yellow over here.","timestamp_start":1275.84,"timestamp_end":1280.8799999999999,"timestamp_start_formatted":"21:15","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o&t=1275s","sentiment":"negative","topics":["oxidation","texture"],"mentions_variant":null},{"text":"I just don't like how it feels. It's got a real heavy, sticky-like feeling. It does eventually absorb, but I still feel it on my skin.","timestamp_start":1247.76,"timestamp_end":1253.8,"timestamp_start_formatted":"20:47","video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o&t=1247s","sentiment":"negative","topics":["heavy","sticky","texture"],"mentions_variant":null},{"text":"If you are reactive, it can sting a bit.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o","sentiment":"cautionary","topics":["sting","sensitive skin"],"mentions_variant":null},{"text":"This is stinky. It stings my skin.","timestamp_start":null,"timestamp_end":null,"timestamp_start_formatted":null,"video_url":"https://www.youtube.com/watch?v=AViuN1yDN8o","sentiment":"negative","topics":["smell","sting"],"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."]}}