{"title":"Authorized retailer product lookup — Timeless 20% Vitamin C + E Ferulic Acid Serum","entity_type":"Source","slug":"official-product-page-timeless-20-vitamin-c-e-ferulic-acid-serum","canonical_url":"https://skinknowledgebase.com/sources/official-product-page-timeless-20-vitamin-c-e-ferulic-acid-serum","dates":{"date_modified":"2026-05-30","date_reviewed":"2026-05-30"},"mcp_eligible":true,"summary":"Authorized retailer product lookup — Timeless 20% Vitamin C + E Ferulic Acid Serum used for product facts, claims, directions, price, size, ingredient names,","evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Timeless 20% Vitamin C + E Ferulic Acid Serum","url":"https://skinknowledgebase.com/products/timeless-20-vitamin-c-e-ferulic-acid-serum"},{"title":"Is Timeless 20% Vitamin C + E Ferulic good for dark spots?","url":"https://skinknowledgebase.com/questions/is-timeless-20-vitamin-c-e-ferulic-good-for-dark-spots"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Authorized retailer product lookup — Timeless 20% Vitamin C + E Ferulic Acid Serum was used for product facts only, including claims, ingredient names, size, price context, and directions when available."]},{"heading":"Main Findings","paragraphs":["The page or authorized product listing identifies Timeless 20% Vitamin C + E Ferulic Acid Serum and supports product facts including 20% L-ascorbic acid, vitamin E, and ferulic acid, supporting ingredients such as 20% L-ascorbic acid, vitamin E, ferulic acid, peptides, hyaluronic acid, retinol, niacinamide, vitamin C, vitamin E, glycerin, poly hydroxy acids, growth factors, pro retinol, vitamin f fatty acids, retinoid blend, ferments, nia 114, omega fatty acids, film formers, retinaldehyde, sodium ascorbyl phosphate, amino acids, synthe 6, epidermal growth factor, eyeliss, haloxyl, and price context: Price context: $27–$35 for 1 fl oz / 30 ml, about $27.00–$35.00 per ounce or 90¢–$1.17 per ml."]},{"heading":"Why It Matters","paragraphs":["It grounds product-specific facts while science sources carry ingredient and concern evidence.","Original Source — Authorized retailer product lookup — Timeless 20% Vitamin C + E Ferulic Acid Serum. https://www.sephora.com/search?keyword=Timeless%2020%25%20Vitamin%20C%20%2B%20E%20Ferulic (rel=\"nofollow\")"]}],"source_type":"retailer_product_page","original_source_url":"https://www.sephora.com/search?keyword=Timeless%2020%25%20Vitamin%20C%20%2B%20E%20Ferulic"}