---
title: Sunday Riley A+ High-Dose Retinoid Serum
entity_type: Product
canonical_url: https://skinknowledgebase.com/products/sunday-riley-a-high-dose-retinoid-serum
date_modified: 2026-05-30
date_reviewed: 2026-05-30
mcp_eligible: true
summary: Sunday Riley A+ High-Dose Retinoid Serum: formula facts, anti-aging concern fit, price context, routine use, and realistic limits. with evidence-grounded
main_concern:
  title: Fine Lines
  url: https://skinknowledgebase.com/concerns/fine-lines
key_ingredients:
  - title: Retinoid Blend
    url: https://skinknowledgebase.com/ingredients/retinoid-blend
retail_url: https://sundayriley.com/products/a-high-dose-retinoid-serum
evidence_sources:
  - title: Authorized retailer product lookup — Sunday Riley A+ High-Dose Retinoid Serum
    canonical_citation_url: https://skinknowledgebase.com/sources/official-product-page-sunday-riley-a-high-dose-retinoid-serum
    original_source_url: https://www.sephora.com/search?keyword=Sunday%20Riley%20A%2B%20High-Dose%20Retinoid%20Serum
    source_type: retailer_product_page
product_fact_sources: []
---

# Sunday Riley A+ High-Dose Retinoid Serum

## Quick Summary

Sunday Riley A+ High-Dose Retinoid Serum is a retinoid serum from Sunday Riley. It is included for product-fact analysis: claims, ingredient positioning, price context, directions, and routine fit.

## Compact Product Facts

- Brand: Sunday Riley
- Product line: Sunday Riley A+ High-Dose Retinoid Serum
- Full product name: Sunday Riley A+ High-Dose Retinoid Serum
- Retail URL: https://sundayriley.com/products/a-high-dose-retinoid-serum

## Factual Description

The product is positioned around retinoid blend, antioxidant-positioned support, soothing extracts, and humectants. Supporting formula context includes retinoid ester and retinol blend, CoQ10-style antioxidant positioning, soothing extracts, humectants. These product facts come from official or authorized product pages and are not treated as independent proof of efficacy.

## Related Entities

- [Authorized retailer product lookup — Sunday Riley A+ High-Dose Retinoid Serum](https://skinknowledgebase.com/sources/official-product-page-sunday-riley-a-high-dose-retinoid-serum)
- [Fine Lines](https://skinknowledgebase.com/concerns/fine-lines)
- [Wrinkles](https://skinknowledgebase.com/concerns/wrinkles)
- [Large Pores](https://skinknowledgebase.com/concerns/large-pores)
- [Dullness](https://skinknowledgebase.com/concerns/dullness)
- [Skin Sensitivity](https://skinknowledgebase.com/concerns/skin-sensitivity)
- [Retinoid Blend](https://skinknowledgebase.com/ingredients/retinoid-blend)
- [Is Sunday Riley A+ High-Dose Retinoid Serum good for fine lines?](https://skinknowledgebase.com/questions/is-sunday-riley-a-high-dose-retinoid-serum-good-for-fine-lines)