ZO Daily Power Defense

The one serum to add if you only add one.

Daily Power Defense is ZO's hero multitasker, the product their patients reorder more than almost anything else. It layers retinol with skin-repair enzymes, a blend of antioxidants, and ZO's ZPOLY and barrier-support complexes. In plain terms: it smooths and renews like a retinol, defends against daily damage like an antioxidant, and helps repair and strengthen skin overnight, all in one gentle daily step.

Because the retinol is buffered and released slowly, most people tolerate it morning and night without the peeling that stronger retinols can cause.

Why it is worth it
You are effectively buying three categories in one bottle, a retinol, an antioxidant serum, and a barrier-repair treatment, so it replaces several products rather than adding to them. A 30 ml bottle typically lasts two to three months of twice-daily use.

How it compares
If your main goal is firmness and density, pair it with Growth Factor Serum. If you want stronger, faster resurfacing and are comfortable with retinol, Wrinkle + Texture Repair steps it up. Daily Power Defense is the everyday foundation almost any routine can be built around.

Best for: all skin types wanting an easy, do-it-all daily anti-aging serum, including sensitive skin.
Not ideal for: anyone who only wants one targeted concern treated (a focused serum may suit you better).

How to use
Apply to clean skin morning and night, before your moisturizer. Wear sunscreen daily.