{"title":"Authorized retailer product lookup — Sunday Riley A+ High-Dose Retinoid Serum","entity_type":"Source","slug":"official-product-page-sunday-riley-a-high-dose-retinoid-serum","canonical_url":"https://skinknowledgebase.com/sources/official-product-page-sunday-riley-a-high-dose-retinoid-serum","dates":{"date_modified":"2026-05-30","date_reviewed":"2026-05-30"},"mcp_eligible":true,"summary":"Authorized retailer product lookup — Sunday Riley A+ High-Dose Retinoid Serum used for product facts, claims, directions, price, size, ingredient names, and","evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Sunday Riley A+ High-Dose Retinoid Serum","url":"https://skinknowledgebase.com/products/sunday-riley-a-high-dose-retinoid-serum"},{"title":"Is Sunday Riley A+ High-Dose Retinoid Serum good for fine lines?","url":"https://skinknowledgebase.com/questions/is-sunday-riley-a-high-dose-retinoid-serum-good-for-fine-lines"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Authorized retailer product lookup — Sunday Riley A+ High-Dose Retinoid 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 Sunday Riley A+ High-Dose Retinoid Serum and supports product facts including retinoid blend, antioxidant-positioned support, soothing extracts, and humectants, supporting ingredients such as retinoid ester and retinol blend, CoQ10-style antioxidant positioning, soothing extracts, humectants, 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: $85 for 1 fl oz / 30 ml, about $85.00 per ounce or $2.83 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 — Sunday Riley A+ High-Dose Retinoid Serum. https://www.sephora.com/search?keyword=Sunday%20Riley%20A%2B%20High-Dose%20Retinoid%20Serum (rel=\"nofollow\")"]}],"source_type":"retailer_product_page","original_source_url":"https://www.sephora.com/search?keyword=Sunday%20Riley%20A%2B%20High-Dose%20Retinoid%20Serum"}