ZO Firming Serum

Firming Serum’s mild formula complements an anti-aging protocol with retinol use and sensitive skin for visibly firmer and tighter skin.

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.

Free Skin Consultation

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  • 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



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.


At the 12-week interval, 93% of patients experienced improvement in both mid-face and jawline skin sagging.


Gentle Cleanser
Firming Serum
Sunscreen + Primer SPF 30