Terephthalylidene Dicamphor Sulfonic Acid
INCI: Ecamsule
Reviewed by Daisy · Last updated 14 Aug 2026
Also known as: Mexoryl SX
Terephthalylidene dicamphor sulfonic acid is a sunscreen
EWG Safety Score
Terephthalylidene Dicamphor Sulfonic Acid products at Skintique
View all →
What Is Terephthalylidene Dicamphor Sulfonic Acid?
Terephthalylidene dicamphor sulfonic acid is a sunscreen ingredient that provides UVA protection. It is also known as ecamsule or Mexoryl XS.
Benefits for Your Skin
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
4-Methylbenzylidene Camphor
A chemical UV filter that absorbs ultraviolet radiation to protect skin from sun damage
Allantoin Paba
A dual-action compound combining skin conditioning with broad-spectrum UV protection
Avobenzone
A globally approved synthetic UVA filter Has been tested for safety and efficacy
Benzephenone-3
Not available on the page
Benzophenone
Group of compounds used in cosmetics as sunscreen agents
Benzophenone-1
A synthetic UV filter that absorbs ultraviolet radiation to help protect skin from sun damage
Articles About Terephthalylidene Dicamphor Sulfonic Acid
Learn more about this ingredient with our expert guides and articles.
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.