10 Best Kiehl S Since 1851 Powerful Strength Vitamin C Serum of 2025

Tested and Reviewed: Top 10 Kiehl S Since 1851 Powerful Strength Vitamin C Serum deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Kiehl's

Kiehl's Powerful-Strength 12.5% Vitamin C Serum, Line-Reducing Concentrate for Face, Boosts Radiance & Firmness, Smooths & Plumps Skin, with Hyaluronic Acid, Dermatologist-Tested - 1.7 fl oz

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Editor's bottom line:

“This kiehl s since 1851 powerful strength vitamin c serum is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

This Vitamin C serum boosts radiance, helps firm skin and diminishes fine lines, wrinkles and pores. Formulated with 10.5% L-Ascorbic Acid and renewable 2% Ascorbyl Glucoside plus Hyaluronic Acid. For all skin types.
Helps visibly reduce lines and wrinkles while helping firm skin over time. Smoothes and helps visibly minimize the appearance of pores. Pure Vitamin C penetrates skins deeper surface layers and remains effective in skin for up to 6 days.
HOW TO USE: After cleansing, apply two pumps over entire face, avoiding the eye area. As it blends into skin, you may experience a feeling of warmth as the formula activates. Avoid the eye area.
Infused with L-Ascorbic Acid, also known as Pure Vitamin C, a highly efficacious antioxidant known for its ability to improve the appearance of skin aging. Also formulated with Vitamin Cg, or Ascorbyl Glucoside and fragmented Hyaluronic Acid.
Provides visible results in just 2 weeks. Dermatologist-tested for safety. Formulated for all skin types, including sensitive skin.

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Picked by 397 people today

9.5

Kiehl's

Kiehl's Powerful-Strength 12.5% Vitamin C Serum, Line-Reducing Concentrate for Face, Boosts Radiance & Firmness, Smooths & Plumps Skin, with Hyaluronic Acid, Dermatologist-Tested - 3.4 fl oz

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Main Highlights

This Vitamin C serum boosts radiance, helps firm skin and diminishes fine lines, wrinkles and pores. Formulated with 10.5% L-Ascorbic Acid and renewable 2% Ascorbyl Glucoside plus Hyaluronic Acid. For all skin types.
Helps visibly reduce lines and wrinkles while helping firm skin over time. Smoothes and helps visibly minimize the appearance of pores. Pure Vitamin C penetrates skins deeper surface layers and remains effective in skin for up to 6 days.
HOW TO USE: After cleansing, apply two pumps over entire face, avoiding the eye area. As it blends into skin, you may experience a feeling of warmth as the formula activates. Avoid the eye area.
Infused with L-Ascorbic Acid, also known as Pure Vitamin C, a highly efficacious antioxidant known for its ability to improve the appearance of skin aging. Also formulated with Vitamin Cg, or Ascorbyl Glucoside and fragmented Hyaluronic Acid.
Provides visible results in just 2 weeks. Dermatologist-tested for safety. Formulated for all skin types, including sensitive skin.

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9.5

Kiehl's

Kiehl's Clearly Corrective Dark Spot Serum, Brightening Facial Serum, Reduces Hyperpigmentation & Post-acne Marks, with Vitamin C & Salicylic Acid, All Skin Types, Paraben-free - 0.5 fl oz

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Main Highlights

This Clearly Corrective Dark Spot Corrector and brightening serum is a targeted treatment for dull skin tone and radiance.
Helps even skin tone and boost radiance, plus helps visibly reduce the appearance of a broad array of discolorations including dark spots, hyperpigmentation and post-acne marks.
HOW TO USE: Apply dark spot serum as a spot treatment or over entire face both day and night. Can also be used to correct visible skin discolorations on hands, neck, and chest.
Formulated with Activated C (a stabilized form of Vitamin C) and buffered Salicylic Acid. Within Kiehl's formula, Activated C works deeply to visibly brighten, boost clarity, and reduce the look of dark spots.
Kiehl's dark spot corrector has been tested on all ethnicities and is suitable for all skin types, including sensitive skin. Paraben-free, mineral oil-free, and dye-free.

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9.2

O.SECERT

Vitamin C Serum - Pure Vitamin C Serum for Face with Hyaluronic Acid, Vitamin E & Ferulic Acid - Anti Aging Facial Serum for Women and Men Skin Care - All Skin Types -2.02 Oz

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Main Highlights

Plant Based Formulation - Free of synthetic color additives, fragrance, and stabilizers, dynamic active botanicals like Aloe Vera, Witchhazel, Botanical Hyaluronic Acid, Witch Hazel and organic Jojoba oil combine in a silky smooth serum that can be used day or night.
Anti-Aging Vitamin C Serum For Face - As you grow older, the skin loses its vitality, leaving it dull, dry and dehydrated. Vitamin C Serum contains Hyaluronic Acid and botanical blend that helps fight against wrinkles and spots. Including Vitamin C Serum in your daily skin care, helps add moisture on face and skin, nourishes the skin and helps to retain its natural glow.
Advanced Antioxidant Serum - An indispensable nutrient for collagen production, vitamin C blends with Botanical Hyaluronic Acid and Vitamin E, designed to target the most common signs of aging, including firmness, fine lines, wrinkles, dark place.
Better Form of Vitamin C - Highly stable, Sodium Ascorbyl Phosphate maintains potency for longer with less skin stinging than other commonly used forms of Vitamin C
Stimulate Collagen Formation - Vitamin C is responsible for collagen production. Boosting your skin and body with Vitamin C Serum will enhance the natural formation of collagen that is the number one component for connecting tissues for skin health. No oily residue left behind. Absorbs quickly without a heavy, greasy or sticky feel.
Skin Friendly, Gentle Skin Care - Fragrance free skin nourishment using vital nutrients, antioxidants and botanical actives to improve skin wellness, all in a vegan and cruelty-free formula without parabens and other harmful chemicals you dont want

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9.0

Kiehl's

Kiehl's Clearly Corrective Dark Spot Serum, Brightening Facial Serum, Reduces Hyperpigmentation & Post-acne Marks, with Vitamin C & Salicylic Acid, All Skin Types, Paraben-free - 1 fl oz

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Main Highlights

This Clearly Corrective Dark Spot Corrector and brightening serum is a targeted treatment for dull skin tone and radiance.
Helps even skin tone and boost radiance, plus helps visibly reduce the appearance of a broad array of discolorations including dark spots, hyperpigmentation and post-acne marks.
HOW TO USE: Apply dark spot serum as a spot treatment or over entire face both day and night. Can also be used to correct visible skin discolorations on hands, neck, and chest.
Formulated with Activated C (a stabilized form of Vitamin C) and buffered Salicylic Acid. Within Kiehl's formula, Activated C works deeply to visibly brighten, boost clarity, and reduce the look of dark spots.
Kiehl's dark spot corrector has been tested on all ethnicities and is suitable for all skin types, including sensitive skin. Paraben-free, mineral oil-free, and dye-free.

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8.8

Kiehl's

Kiehl's Clearly Corrective Dark Spot Serum, Brightening Facial Serum, Reduces Hyperpigmentation & Post-acne Marks, with Vitamin C & Salicylic Acid, All Skin Types, Paraben-free - 1.7 fl oz

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Main Highlights

This Clearly Corrective Dark Spot Corrector and brightening serum is a targeted treatment for dull skin tone and radiance.
Helps even skin tone and boost radiance, plus helps visibly reduce the appearance of a broad array of discolorations including dark spots, hyperpigmentation and post-acne marks.
HOW TO USE: Apply dark spot serum as a spot treatment or over entire face both day and night. Can also be used to correct visible skin discolorations on hands, neck, and chest.
Formulated with Activated C (a stabilized form of Vitamin C) and buffered Salicylic Acid. Within Kiehl's formula, Activated C works deeply to visibly brighten, boost clarity, and reduce the look of dark spots.
Kiehl's dark spot corrector has been tested on all ethnicities and is suitable for all skin types, including sensitive skin. Paraben-free, mineral oil-free, and dye-free.

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8.6

Kiehl's

Kiehl's Hydro-Plumping Re-Texturizing Serum Concentrate, 75 ml

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Main Highlights

Experience lasting hydration and plumper skin thanks to our Hydro-Plumping Hydrating Serum. For a healthier and younger-looking complexion. This serum is Ophthalmologically and dermatologically tested.
Reduce the appearance of fine lines and age-related dehydration. Skin looks visibly plump and smooth, with reduced dryness and skin elasticity improved C1 - Internal use.
Take one pump worth of product onto your fingertips before applying it evenly to cleansed skin before moisturizer. It can be used around the eyes both morning and/or evening.
Formula enriched with Glycerin known to lock in moisture and visibly smooth dry skin, together with Epidermal Hydration Fuller which will boost your skin's moisture levels.
Contents: 1x Kiehl's Hydro-Plumping Hydrating Serum, Plumps Skin, Improves Elasticity, Reduces Appearance of Dry Skin, Suitable for All Skin Types, Ophthalmologist and Dermatologist Tested.

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8.3

Kiehl's

Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum, Concentrated Face Serum to Exfoliate for Glowy Skin, Visibly Smooths Skin Texture & Boosts Skin Glow, All Skin Types, Fragrance-free - 1 fl oz

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Main Highlights

This gentle exfoliating facial serum visibly boosts skins glow and reduces the appearance of pores.
Formulated to help visibly minimize pores and refine skins texture. Minimally formulated for optimal skin absorption and efficacy. Boosts skin renewal in three days. Reduces the appearance of pores in four weeks.
HOW TO USE: Apply 2-3 drops to clean, dry skin in the evening
Infused with Glycolic Acid, a naturally occurring fruit acid derived from sugar cane known to help smooth skin.
Suitable for all skin types, including sensitive. Free of fragrance and colorants.

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8.1

Kiehl's

Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum, Concentrated Face Serum for Oily Skin, Reduces Excess Oil and Shine, Helps Minimize Imperfections for a Natural Glow, Paraben-Free - 1 fl oz

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Main Highlights

A Concentrated Serum with 5% Niacinamide that deeply penetrates the skin leaving it looking less oily and shiny yet healthier than before. With just 10 ingredients, it is great for all skin types.
Feel the full power of Niacinamide that will visibly reduce the appearance of excess oil and shine, while soothing the skin and reducing redness. Say goodbye to uneven, blemished skin.
Use the serum morning and/or evening, applying 23 drops to clean, dry skin.
Niacinamide is known to help visibly brighten skin tone and help rebalance skin's surface oil, leaving your complexion smooth, bright, and glowy.
Contents: 1x Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum, Concentrated Serum for Oily Skin, Reduces Excess Oil and Shine, Helps Minimize Imperfections for a Natural Glow.

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8.1

Kiehl's

Kiehl's Vital Skin-Strengthening Hyaluronic Acid Super Serum, Boosts Radiance & Smooths Fine Lines, Improves & Renews Skin Texture, with Adaptogenic Herbal Complex, for All Skin Types - 3.4 fl oz

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Main Highlights

This Hyaluronic Acid serum strengthens skin to help resist signs of aging, while boosting radiance and smoothing fine lines.
Helps correct visible signs of aging, which can be caused by skin stressors including pollution, stress and sun exposure. Absorbs easily with a lightweight texture. For all skin types, including sensitive skin.
HOW TO USE: Apply Kiehl's Hyaluronic Acid serum onto cleansed face and neck, morning and night. Can also be used before another serum. Then apply a daily moisturizer Avoid contact with eyes. If contact occurs, rinse thoroughly with water.
Hydrating Hyaluronic Acid and an Adaptogenic Herbal Complex to help with a smooth, radiant appearance.
Improves skin texture by 41%, boost radiance by 29%, improve resilience by 38%, visibly reduce fine lines by 27%, & double skins strength.* *Based on a 4-week clinical study on 58 subjects tested in urban & polluted environments.

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Our Best Overall Choice

Best Choice

9.7

Kiehl's

Kiehl's Powerful-Strength 12.5% Vitamin C Serum, Line-Reducing Concentrate for Face, Boosts Radiance & Firmness, Smooths & Plumps Skin, with Hyaluronic Acid, Dermatologist-Tested - 1.7 fl oz

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

This Vitamin C serum boosts radiance, helps firm skin and diminishes fine lines, wrinkles and pores. Formulated with 10.5% L-Ascorbic Acid and renewable 2% Ascorbyl Glucoside plus Hyaluronic Acid. For all skin types.
Helps visibly reduce lines and wrinkles while helping firm skin over time. Smoothes and helps visibly minimize the appearance of pores. Pure Vitamin C penetrates skins deeper surface layers and remains effective in skin for up to 6 days.
HOW TO USE: After cleansing, apply two pumps over entire face, avoiding the eye area. As it blends into skin, you may experience a feeling of warmth as the formula activates. Avoid the eye area.
Infused with L-Ascorbic Acid, also known as Pure Vitamin C, a highly efficacious antioxidant known for its ability to improve the appearance of skin aging. Also formulated with Vitamin Cg, or Ascorbyl Glucoside and fragmented Hyaluronic Acid.
Provides visible results in just 2 weeks. Dermatologist-tested for safety. Formulated for all skin types, including sensitive skin.

Show Price

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