Skip to Content (Press Enter) Skip to Footer (Press Enter)

LIMITED TIME HOLIDAY OFFER | FREE GIFT $250+ AND FREE GROUND SHIPPING ALL ORDERS

RECEIVE 5% OFF + FREE SHIPPING ON ALL SUBSCRIPTION DELIVERIES

Product Authenticity

Why Authenticity Matters

ZO® products are available exclusively through our official ZO website and authorized providers. Purchasing from unauthorized sellers increases the risk of counterfeit products that may compromise safety, quality, and efficacy.

Learn More
Regimen Finder
Subscriptions
Ingredients
Sunscreens
New
Awards
Firming Serum hi-res image number 1
Firming Serum hi-res image number 2

Firming Serum

AM + PM All Skin Types Anti-Aging TSA Approved

$265.00

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.

Size: 47 mL / 1.6 Fl Oz. 47 mL / 1.6 Fl Oz.
LIMITED TIME | FREE GIFT $250+ AND FREE GROUND SHIPPING ALL ORDERS

See Better Results

Our products are designed to work better together

Daily Power Defense
Daily Power Defense
$190.00
Growth Factor Serum
Growth Factor Serum
$180.00

See Better Results

Our products are designed to work better together

Daily Power Defense
Daily Power Defense
$190.00
Growth Factor Serum
Growth Factor Serum
$180.00
 

Clinically Proven Results

baseline image firming serum Before
12 weeks after using firming serum After
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 I–IV. Supported with use of Gentle Cleanser and Sunscreen + Primer Broad-Spectrum SPF 30 during the study.

Clinically Shown Results

86%

said skin felt healthier by week 8

83%

said skin appeared hydrated by week 8

79%

saw noticeable improvement in overall appearance by week 8

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 I–IV. Supported with use of Gentle Cleanser and Sunscreen + Primer Broad-Spectrum SPF 30 during the study.

Product Regimen

Sunscreen + Primer Broad-Spectrum SPF 30

Sunscreen + Primer Broad-Spectrum SPF 30

Add to Bag
$67.00
Gentle Cleanser

Gentle Cleanser

Add to Bag
$50.00

Customer Reviews

White chiffon skirt fluttering in the wind.

DISCOVER YOUR REGIMEN

Find the skincare products best suited for your skin health goals.

Discover My Regimen
Back to top