Skin Lab

Skincare layering doesn’t need to be complicated. Here’s a simple morning and evening order that prioritizes cleansing, treatment, hydration, renewal and daily sun protection.

Daily glycolic acid use depends on more than the ingredient name. Concentration, contact time, formulation and your skin’s tolerance all determine how often an exfoliating cleanser makes sense.

Exosomes are one of the most interesting areas in regenerative aesthetics—but the science is more promising than settled. Exosomes are a subtype of extracellular vesicle involved in communication between cells....

Is probiotic skincare really full of live bacteria? We explain what Bifida Ferment Filtrate actually is, what research suggests, and why the terminology matters.

Retinol and retinyl palmitate are both vitamin A derivatives, but they are not the same. Discover how they differ in potency, conversion and skin tolerance.

Yes; but tolerance matters. Learn how glycolic acid and vitamin A can fit into the same routine, when to separate them, and how to avoid unnecessary irritation.

When the skin barrier is compromised, the priority is usually not another strong active—it is reducing irritation and restoring hydration and barrier lipids. The outermost layer of skin relies heavily...

Niacinamide is one of skincare’s most versatile ingredients. Find out what it can be combined with, which popular “mixing rules” are myths, and when skin tolerance matters more.

Not all peptides work the same way. Learn the main types used in skincare, what the science says about their benefits, and what to look for beyond the word “peptides”...

Dark circles can come from pigmentation, puffiness, thin skin or facial anatomy. Learn which causes topical eye care may help—and when a cream is unlikely to solve the real problem.