Ingredient Library

What Is Tranexamic Acid, and What Does It Do for Skin?

You may have come across tranexamic acid in a skincare ingredient list and wondered what it actually does, or seen it mentioned in a medical context and wondered if that's the same thing. Here's a ...

What Is Multi-Molecular Hyaluronic Acid, and Why Do Skincare Formulas Use It?

What does multi-molecular hyaluronic acid mean?It means a formula uses more than one size, or molecular weight, of hyaluronic acid instead of just one. Hyaluronic acid itself isn't a single fixed i...

The Renewal Science Behind VOUX® Red Ampoule

Red is VOUX®'s evening-focused ampoule, built for skin that's showing visible signs of aging, fatigue, or a loss of firmness. Rather than leaning on a single active, it layers several ingredients t...

What Does Centella Asiatica Do?

What is centella asiatica?. Centella asiatica, also called Cica, tiger grass, or gotu kola, is a botanical that's been used in traditional medicine for centuries and has become one of the most est...

The Brightening Science Behind VOUX® Purple Ampoule

Purple has become the go-to for anyone chasing hydration and a brighter, more even-looking glow. Here's what's actually doing the work. Tranexamic Acid. Tranexamic acid is a well-studied brighte...

Can Peptides and Niacinamide Be Used Together?

Can you use peptides and niacinamide in the same routine?. Yes. This is one of the most common skincare pairing questions, and the short answer is that most peptides and niacinamide work fine toge...

The Skin-Calming Science Behind VOUX® Blue Ampoule

Niacinamide, zinc PCA, capryloyl glycine, and squalane — here's what's actually calming your skin in VOUX® Blue Ampoule.

What Is PDRN? The Renewal Ingredient Behind VOUX® Red Ampoule

PDRN is one of Korean skincare's most respected regenerative ingredients. Here's what it is, why it's used, and what's actually in VOUX® Red Ampoule.