---
title: Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/lin-2005-ferulic-acid-vitamin-c-e-photoprotection
date_modified: 2026-05-14
date_reviewed: 2026-05-14
mcp_eligible: true
source_type: peer_reviewed
original_source_url: https://pubmed.ncbi.nlm.nih.gov/16185284/
evidence_sources: []
product_fact_sources: []
---

# Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin

## Quick Summary

Lin 2005 supports the C, E, and ferulic acid formula-stability story behind antioxidant skincare and photoprotection-support framing.

## What Studied

Peer-reviewed study of ferulic acid added to a solution containing L-ascorbic acid and alpha tocopherol.

## Main Findings

The source reports that ferulic acid improved stability and photoprotection measures in the studied antioxidant solution.

## Why It Matters

It supports the C E ferulic formula-quality discussion while keeping sunscreen replacement claims out of the public answer.

## Related Entities

- [Ferulic Acid](https://skinknowledgebase.com/ingredients/ferulic-acid)
- [Vitamin E](https://skinknowledgebase.com/ingredients/vitamin-e)
- [SkinCeuticals C E Ferulic](https://skinknowledgebase.com/products/skinceuticals-c-e-ferulic)
- [Is a vitamin C serum actually worth it?](https://skinknowledgebase.com/questions/is-vitamin-c-serum-worth-it)
- [What causes dull skin and how do I get a glow?](https://skinknowledgebase.com/questions/what-causes-dull-skin-and-how-do-i-get-a-glow)