{"title":"Vitamin C Irritation","entity_type":"Concern","slug":"vitamin-c-irritation","canonical_url":"https://skinknowledgebase.com/concerns/vitamin-c-irritation","dates":{"date_modified":"2026-05-26","date_reviewed":"2026-05-26"},"mcp_eligible":true,"summary":"Vitamin C irritation is stinging, burning, or redness from a vitamin C serum, often related to formula strength, pH, frequency, or barrier sensitivity.","evidence_sources":[{"title":"DermNet — Sensitive skin","canonical_citation_url":"https://skinknowledgebase.com/sources/dermnet-sensitive-skin","original_source_url":"https://dermnetnz.org/topics/sensitive-skin","source_type":"dermatology_reference"},{"title":"Topical L-ascorbic acid: percutaneous absorption studies","canonical_citation_url":"https://skinknowledgebase.com/sources/pinnell-2001-topical-l-ascorbic-acid-absorption","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/11207686/","source_type":"peer_reviewed"}],"product_fact_sources":[],"related_entities":[{"title":"Sensitive skin","url":"https://skinknowledgebase.com/sources/dermnet-sensitive-skin"},{"title":"Topical L-ascorbic acid: percutaneous absorption studies","url":"https://skinknowledgebase.com/sources/pinnell-2001-topical-l-ascorbic-acid-absorption"},{"title":"Ceramides","url":"https://skinknowledgebase.com/ingredients/ceramides"},{"title":"Glycerin","url":"https://skinknowledgebase.com/ingredients/glycerin"},{"title":"Hyaluronic Acid","url":"https://skinknowledgebase.com/ingredients/hyaluronic-acid"},{"title":"Can vitamin C make sensitive skin sting?","url":"https://skinknowledgebase.com/questions/can-vitamin-c-make-sensitive-skin-sting"},{"title":"Can niacinamide make my skin flush or burn?","url":"https://skinknowledgebase.com/questions/can-niacinamide-make-my-skin-flush-or-burn"},{"title":"Can I use hyaluronic acid with vitamin C?","url":"https://skinknowledgebase.com/questions/can-i-use-hyaluronic-acid-with-vitamin-c"},{"title":"Can I use azelaic acid with vitamin C?","url":"https://skinknowledgebase.com/questions/can-i-use-azelaic-acid-with-vitamin-c"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Vitamin C irritation is the stinging, burning, redness, or tight feeling some people get from vitamin C products. It is more common when skin is already sensitive, over-exfoliated, or using too many actives."]},{"heading":"Causes","paragraphs":["Low-pH L-ascorbic acid formulas, high-strength serums, daily use too soon, broken barrier, retinoids, exfoliating acids, or fragrance can all make vitamin C harder to tolerate."]}],"key_ingredients":[{"title":"Ceramides","url":"https://skinknowledgebase.com/ingredients/ceramides"},{"title":"Glycerin","url":"https://skinknowledgebase.com/ingredients/glycerin"},{"title":"Hyaluronic Acid","url":"https://skinknowledgebase.com/ingredients/hyaluronic-acid"}]}