UV Filter

Terephthalylidene Dicamphor Sulfonic Acid

Often labeled as: Mexoryl SX
"The patented L'Oreal UVA defender."
๐Ÿฅ Overall Safety: Safe
๐Ÿคฐ Pregnancy: Safe
๐Ÿ”ฅ Irritation Risk: 0 / 5
๐Ÿ•ณ๏ธ Pore-Clogging: 0 / 5

๐Ÿ”ฌ How It Actually Works

A water-soluble, highly photostable chemical UV filter developed and patented by L'Oreal. It specifically protects against short UVA rays, bridging the gap between UVB and deep UVA protection.

๐Ÿ’– Why Your Skin Loves It

Protects against premature aging and severe UV-induced oxidative stress.

๐Ÿ’ก Pro Tip

Often found in La Roche-Posay and Vichy sunscreens.

๐Ÿงช The Mixology Guide

Skincare is chemistry. Here is how Terephthalylidene Dicamphor Sulfonic Acid interacts with other active ingredients on your shelf.

โœ… Best Friends (Synergy)
No documented synergies yet.
โš ๏ธ Arch Enemies (Conflict)
Plays well with most ingredients.

Keep Exploring

Other ingredients you should know about.

Emollient

Pentaerythrityl Tetraisostearate

The rich, glossy skin-smoothing ester.

Antioxidant

Ascorbyl Glucoside

The gentle, water-soluble Vitamin C for sensitive skin.

Soothing / Anti-Inflammatory

Houttuynia Cordata Extract

The iconic Korean acne-soother.