{"title":"The Ordinary Caffeine Solution 5% + EGCG Eye Serum","entity_type":"Product","slug":"the-ordinary-caffeine-solution-5-egcg-eye-serum","canonical_url":"https://skinknowledgebase.com/products/the-ordinary-caffeine-solution-5-egcg-eye-serum","dates":{"date_modified":"2026-05-19","date_reviewed":"2026-05-19"},"mcp_eligible":true,"summary":"The Ordinary Caffeine Solution 5% + EGCG Eye Serum is a $9.20 water-based serum positioned for puffy-looking, tired-looking under-eyes and dark circles.","evidence_sources":[{"title":"INCIDecoder — The Ordinary Caffeine Solution 5% + EGCG","canonical_citation_url":"https://skinknowledgebase.com/sources/incidecoder-the-ordinary-caffeine-solution-5-egcg","original_source_url":"https://incidecoder.com/products/the-ordinary-caffeine-solution-5-egcg","source_type":"other"},{"title":"Herman 2013 — Caffeine's mechanisms of action and its cosmetic use","canonical_citation_url":"https://skinknowledgebase.com/sources/herman-2013-caffeine-cosmetic-use","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/23075568/","source_type":"peer_reviewed"}],"product_fact_sources":[{"title":"Official Product Page — The Ordinary Caffeine Solution 5% + EGCG Eye Serum","canonical_citation_url":"https://skinknowledgebase.com/sources/official-product-page-the-ordinary-caffeine-solution-5-egcg-eye-serum","original_source_url":"https://theordinary.com/en-us/caffeine-solution-5-egcg-eye-serum-100412.html","source_type":"official_product_page"}],"related_entities":[{"title":"INCIDecoder — The Ordinary Caffeine Solution 5% + EGCG","url":"https://skinknowledgebase.com/sources/incidecoder-the-ordinary-caffeine-solution-5-egcg"},{"title":"Herman 2013 — Caffeine's mechanisms of action and its cosmetic use","url":"https://skinknowledgebase.com/sources/herman-2013-caffeine-cosmetic-use"},{"title":"Official Product Page — The Ordinary Caffeine Solution 5% + EGCG Eye Serum","url":"https://skinknowledgebase.com/sources/official-product-page-the-ordinary-caffeine-solution-5-egcg-eye-serum"},{"title":"Under-Eye Bags","url":"https://skinknowledgebase.com/concerns/under-eye-bags"},{"title":"Periorbital Puffiness","url":"https://skinknowledgebase.com/concerns/periorbital-puffiness"},{"title":"Dark Circles","url":"https://skinknowledgebase.com/concerns/dark-circles"},{"title":"Caffeine","url":"https://skinknowledgebase.com/ingredients/caffeine"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["The Ordinary Caffeine Solution 5% + EGCG Eye Serum is a $9.20 water-based eye serum positioned for puffiness around the eyes, dark-circle appearance, under-eye brightening, and tired-looking eyes."]},{"heading":"Compact Product Facts","paragraphs":["- Brand: The Ordinary\n- Product line: The Ordinary Eye Serums\n- Full product name: The Ordinary Caffeine Solution 5% + EGCG Eye Serum\n- Cost: {\"currency\":\"USD\",\"checked_at\":\"2026-05-19\",\"single_unit\":9.2}\n- Retail URL: https://theordinary.com/en-us/caffeine-solution-5-egcg-eye-serum-100412.html"]},{"heading":"Factual Description","paragraphs":["The official The Ordinary page identifies Caffeine Solution 5% + EGCG Eye Serum as a water-based eye serum with 5% caffeine and epigallocatechin gallatyl glucoside. The page positions it for dark circles, puffiness around the eyes, under-eye brightening, and tired-looking eyes. Directions say to apply a small amount onto the eye contour in the morning and evening. Safety guidance says to use only as directed on unbroken skin, patch test before use, and rinse and stop if irritation occurs."]}],"main_concern":{"title":"Under-Eye Bags","url":"https://skinknowledgebase.com/concerns/under-eye-bags"},"key_ingredients":[{"title":"Caffeine","url":"https://skinknowledgebase.com/ingredients/caffeine"}],"cost":{"currency":"USD","checked_at":"2026-05-19","single_unit":9.2},"retail_url":"https://theordinary.com/en-us/caffeine-solution-5-egcg-eye-serum-100412.html"}