Master | | Bottle of Great Skin Instant Glow Serum against a white background.
Logo of the National Eczema Association
Master || A multitasking formula for Clinically-Proven Results. 1. Brightens skin 2. Hydrates for 24 hours 3. Helps reduce the look of redness 4. Evens tone.
Master | | Model is wearing Great Skin Serum.
Master || Active Ingredients 4 types of Hyaluronic Acid penetrate multiple layers of skin to replenish moisture for 24 hours. 2% Niacinimide helps brighten and refine skin texture for smoother, more even-looking skin. Cacao seed extract is rich in caffeine and has shown to help stimulate blood flow for an immediate plumping effect.
Master || 2-in-1 Bi-Phase Serum 1. Essence Phase, penetrate multiple layers of skin to replenish moisture for 24hrs. 2. Emollient Phase helps lock in hydration for an immediate glow.
Master | | Model is wearing Great Skin Serum.
Master | | Model is wearing Great Skin Serum.
Master || Consumer Perception Results for Great Skin Serum. Immediately After 100% agree it improves skin's overall texture. 97% agree skin looks more radiant. 97% agree it gives skin a healthy glow. After two weeks 100% agree it helps skin feel calm 97% agree skin is visibly brighter 97% agree skin feels smooth and plump.
Master | | Before, Immediately after use. *Not a real customer
Master | | Before, Immediately after use. *Not a real customer
Master || Bottle of Great Skin Instant Glow Serum against a white background.
Master || A multitasking formula for Clinically-Proven Results. 1. Brightens skin 2. Hydrates for 24 hours 3. Helps reduce the look of redness 4. Evens tone.
Full-Size (50ml) || Model is wearing Great Skin Serum.
Master || Active Ingredients 4 types of Hyaluronic Acid penetrate multiple layers of skin to replenish moisture for 24 hours. 2% Niacinimide helps brighten and refine skin texture for smoother, more even-looking skin. Cacao seed extract is rich in caffeine and has shown to help stimulate blood flow for an immediate plumping effect.
Master || 2-in-1 Bi-Phase Serum 1. Essence Phase, penetrate multiple layers of skin to replenish moisture for 24hrs. 2. Emollient Phase helps lock in hydration for an immediate glow.
Full-Size (50ml) || Model is wearing Great Skin Serum.
Full-Size (50ml) || Model is wearing Great Skin Serum.
Master || Consumer Perception Results for Great Skin Serum. Immediately After 100% agree it improves skin's overall texture. 97% agree skin looks more radiant. 97% agree it gives skin a healthy glow. After two weeks 100% agree it helps skin feel calm 97% agree skin is visibly brighter 97% agree skin feels smooth and plump.
Master | | Before, Immediately after use. *Not a real customer
Master | | Before, Immediately after use. *Not a real customer.
Mini-Size (15ml) || Bottle of Travel-Size Great Skin Instant Glow Serum against a white background.
Master || Image of Travel-Size and Full-Size Great Skin Instant Glow Serum.
Master || A multitasking formula for Clinically-Proven Results. 1. Brightens skin 2. Hydrates for 24 hours 3. Helps reduce the look of redness 4. Evens tone.
Mini-Size (15ml) || Model is wearing Great Skin Serum.
Master || Active Ingredients 4 types of Hyaluronic Acid penetrate multiple layers of skin to replenish moisture for 24 hours. 2% Niacinimide helps brighten and refine skin texture for smoother, more even-looking skin. Cacao seed extract is rich in caffeine and has shown to help stimulate blood flow for an immediate plumping effect.
Master || 2-in-1 Bi-Phase Serum 1. Essence Phase, penetrate multiple layers of skin to replenish moisture for 24hrs. 2. Emollient Phase helps lock in hydration for an immediate glow.
Mini-Size (15ml) || Model is wearing Great Skin Serum.
Mini-Size (15ml) || Model is wearing Great Skin Serum.
Master | | Before, Immediately after use. *Not a real customer.
Master | | Before, Immediately after use. *Not a real customer.
Master || Consumer Perception Results for Great Skin Serum. Immediately After 100% agree it improves skin's overall texture. 97% agree skin looks more radiant. 97% agree it gives skin a healthy glow. After two weeks 100% agree it helps skin feel calm 97% agree skin is visibly brighter 97% agree skin feels smooth and plump.

Great Skin Serum

4.5 (3440)
Instant Glow Serum

Your everyday prep step. This weightless, oil-free serum absorbs in seconds to visibly brighten, plump, and calm redness — clinically measured to nearly double skin's moisture in five minutes, and last for 24 hours.

Free Shipping & Returns

The Signature Bag

Ships free with your first order, only at MERIT

Learn More

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Consumer Perception Results:
Consumer Perception Results:

On immediate application*:

100% agree it absorbed quickly into my skin
100% agree it improves skin’s overall texture
97% agree skin looks more vibrant
97% agree skin looks more radiant
97% agree it gives skin a healthy glow

In 2 weeks*:

100% agree it helps skin feel calm and comfortable
97% agree skin is visibly brighter
97% agree skin feels smooth and plump
97% agree it improves skin’s overall texture
97% agree it makes skin look luminous and glowing

* Based on a consumer perception study of 34 subjects

Clinical Trials

Increase in skin moisture that lasts for 24 hours (1)
100% of clinical participants saw improvement in skin brightness in 2 weeks (2)
94% of clinical participants saw improvement in skin tone in 2 weeks (2)
91% of clinical participants saw a reduction of skin redness in 4 weeks (2)

(1) Based on skin moisture measurement of 34 subjects with Corneometer®
(2) Based on expert grader visual assessment in a 4-week clinical study with 34 subjects
Full Clinical Trial

Immediate Clinical Results

100%
found it non-irritating and skin was soothed
97%
say their skin feels moisturized
97%
say their skin feels comforted
97%
say their skin feels nourished
94%
say their skin was appeared plumper
94%
say their skin feels softer
91%
say their skin feels more hydrated
91%
say their skin looks more radiant
82%
say their skin looked more youthful

AFTER 4 WEEKS OF USE

100%
say their skin feels more hydrated
100%
saw no irritation over time
97%
say their skin looks more radiant
97%
say their skin was soothed and it didn’t cause breakouts
94%
say their skin feels more moisturized
94%
say their skin feels comforted
91%
say their skin is more nourished
91%
say their skin feels softer
91%
say their skin feels more supple
87%
say their skin looked more youthful
82%
say their skin is more plumped
*In a four week consumer perception study with 30 men and women volunteers between the ages of 25 and 50 years.

How To Use

Step 01
Shake well
Step 02
After cleansing and before moisturizer, massage 2-3 pumps into skin.
Step 03
Wears well with makeup or on its own.

Our Standards

Clean at MERIT + EU-Compliant
Vegan + Leaping Bunny-Certified
Sustainability-Focused
All of our products are made with nourishing, skin-loving ingredients that help support the integrity of your skin and leave it looking better long after taking your makeup off.