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ZO Firming Serum Accelerated

Regular price $330.00

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Firming Serum is specifically designed to visibly tighten and firm the skin, for a more defined facial contour

Appropriate for all skin types including sensitive skin

ZO Firming Serum

An anti-aging breakthrough in skin structure + shape. This mild, lightweight and tolerable formulation is indicated for all skin types and sensitive skin areas to reinforce skin health and hydrate to support the visible improvement in skin elasticity and firmness.

Key Benefits of ZO Firming Serum

  • Visibly tightens and firms the skin
  • Improves the appearance of sagging and skin laxity
  • Helps define facial contours
  • Supports healthy skin structure and the skin’s natural renewal process
  • Defends against free radical damage

Clinical Study Results

A comprehensive clinical study of 45 participants has proven that Firming Serum has been proven to improve the appearance of firmness, sagging, elasticity and skin health.

  • 97% of subjects showed significant improvement in firmness by week 12 as measured by Cutometer®.
  • 93% showed significant improvement in both mid-face and jawline skin sagging by week 12 as measured by an expert clinical grader
  • 88% showed elasticity improvement by week 12 measured by Cutometer®
  • 86 % said that their skin felt better in 8 weeks
  • 83% said that their skin felt hydrated
  • 79% said that they saw a noticeable improvement in the overall appearance of their skin by week 8

Before and After


Improvement in Firmness after 12 Weeks

Sagging Skin

ZO Firming Serum for reduction in sagging skin after 12 Weeks


ZO Firming Serum for increase in skin elasticity after 12 Weeks

Protocol: A 24-week independent third-party clinical study of 45 subjects to assess the efficacy potential of Firming Serum. Subjects represent females, ages 40–69, with Fitzpatrick skin types II–IV. Supported with the use of Gentle Cleanser and Sunscreen + Primer Broad-Spectrum SPF 30 during the study.

Images were captured and analyzed using Clarity 2D Research 

How to use :

Apply to clean, dry skin AM / PM