Kiehl's Clearly Corrective Dark Spot Solution
COSRX The Vitamin C 23 Serum
Versus

Kiehl's Clearly Corrective Dark Spot Solution Versus COSRX The Vitamin C 23 Serum

Facial Treatment
Serum
American Brand United States
Korean Brand South Korea

Updated on May 29, 2025

Overview

What they are

These products are both reef safe . They have a total of 0 ingredients in common

Cool Features

They both contain Vitamin C and Vitamin E

Suited For

They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and better texture

Free From

They both do not contain any parabens or sulfates

What's Inside

They both contain harsh alcohols and oils

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

New Comparison

Ingredient Info

Click any item below to learn more and see relevant ingredients

Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients

COSRX The Vitamin C 23 Serum 34 ingredients

What's inside (and what isn't)

What's inside (and what isn't)

At a glance

Click on any of the items below to learn more

Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients

COSRX The Vitamin C 23 Serum 34 ingredients

Key Ingredients

Benefits

Concerns

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Clearly Corrective Dark Spot Solution

Water

Skin Conditioning

Propylene Glycol

Humectant
0 / 0 Helps hydrate Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Glycerin

Humectant
0 / 0 Helps hydrate Dry Skin IconGood for Scar Healing IconHelps brighten skin Icon

Alcohol Denat.

Antimicrobial
Alcohol IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon

PEG/PPG/Polybutylene Glycol-8/5/3 Glycerin

Humectant

Hydroxypropyl Tetrahydropyrantriol

Skin Conditioning

3-O-Ethyl Ascorbic Acid

Skin Conditioning
Vitamin C IconHelps reduce Skin Redness IconGood for Skin Texture IconGood for Minimizing Pores Icon

PPG-6-Decyltetradeceth-30

Emulsifying

Phenoxyethanol

Preservative
Preservative Icon

Salicylic Acid

Masking
BHA IconPreservative IconGood for Oily Skin IconGood for Minimizing Pores IconHelps fight Acne IconHelps brighten skin IconCan worsen Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Xanthan Gum

Emulsifying

Hydroxyethylcellulose

Emulsion Stabilising

Potassium Hydroxide

Buffering

Citric Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay worsen Rosacea Icon

Sodium Citrate

Buffering

Tocopheryl Acetate

Antioxidant
0 / 0 Vitamin E IconAntioxidant Icon

Lavandula Angustifolia Oil

Masking
Fragrance IconOil IconMay cause irritation IconEU Allergen Icon

Disodium EDTA

Adenosine

Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Scar Healing Icon

Linalool

Perfuming
Fragrance IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Butylene Glycol

Humectant
1 / 0 Helps hydrate Dry Skin Icon

Tocopherol

Antioxidant
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing Icon

Citrus Aurantium Tachibana Peel Extract

Humectant

Paeonia Suffruticosa Root Extract

Skin Protecting

Water, Propylene Glycol, Glycerin, Alcohol Denat., PEG/PPG/Polybutylene Glycol-8/5/3 Glycerin, Hydroxypropyl Tetrahydropyrantriol, 3-O-Ethyl Ascorbic Acid, PPG-6-Decyltetradeceth-30, Phenoxyethanol, Salicylic Acid, Xanthan Gum, Hydroxyethylcellulose, Potassium Hydroxide, Citric Acid, Sodium Citrate, Tocopheryl Acetate, Lavandula Angustifolia Oil, Disodium EDTA, Adenosine, Linalool, Butylene Glycol, Tocopherol, Citrus Aurantium Tachibana Peel Extract, Paeonia Suffruticosa Root Extract

The Vitamin C 23 Serum

Water

Skin Conditioning

Ascorbic Acid 23%

Antioxidant
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin Icon

Propanediol

Solvent
Helps hydrate Dry Skin Icon

Dimethicone

Emollient
1 / 0 Silicon Icon

Tromethamine

Buffering

Panthenol

Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Ethyl Ether

Solvent
0 / 0

Squalane

Emollient
1 / 0 Helps hydrate Dry Skin Icon

Caffeine

Skin Conditioning
Helps reduce irritation IconHelps with Anti-Aging Icon

Sodium Chloride

Masking
Can worsen Dry Skin IconBad for Acne Prone Skin IconMay worsen Rosacea Icon

Sodium Hyaluronate

Humectant
0 / 0 Hyaluronic Acid IconHelps hydrate Dry Skin Icon

Sodium Sulfite

Preservative
Preservative Icon

Disodium EDTA

Glutathione

Good for Dark Spots Icon

Adenosine

Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Scar Healing Icon

Acetyl Glucosamine

Skin Conditioning

Gardenia Florida Fruit Extract

Skin Conditioning

Allantoin

Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Dextrin

Absorbent

Tocotrienols

Skin Conditioning

Tocopherol

Antioxidant
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing Icon

Elaeis Guineensis Oil

Emollient
Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon

Butylene Glycol

Humectant
1 / 0 Helps hydrate Dry Skin Icon

Arginine

Masking
Good for Scar Healing IconNot safe for Fungal Acne Icon

Niacinamide

Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin Icon

Pentylene Glycol

Skin Conditioning

Alcohol Denat.

Antimicrobial
Alcohol IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon

Helianthus Annuus Seed Oil

Emollient
0 / 0 Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon

Glycyrrhiza Glabra Root Extract

Bleaching
Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Dark Spots Icon

Methyl Trimethicone

Skin Conditioning
Silicon Icon

Carthamus Tinctorius Seed Oil

Masking
0-2 / 0 Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon

Camellia Japonica Seed Oil

Emollient
Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon

Daucus Carota Sativa Root Extract

Skin Conditioning
Helps reduce irritation Icon

Beta-Carotene

Skin Conditioning

Water, Ascorbic Acid 23%, Propanediol, Dimethicone, Tromethamine, Panthenol, Ethyl Ether, Squalane, Caffeine, Sodium Chloride, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis Oil, Butylene Glycol, Arginine, Niacinamide, Pentylene Glycol, Alcohol Denat., Helianthus Annuus Seed Oil, Glycyrrhiza Glabra Root Extract, Methyl Trimethicone, Carthamus Tinctorius Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa Root Extract, Beta-Carotene

Ingredient Ratings

Here's what our community thinks of the ingredients in these products.

Clearly Corrective Dark Spot Solution
10
10
10
liked
mixed
disliked
not rated
Unlock with Premium
The Vitamin C 23 Serum
10
10
10
liked
mixed
disliked
Unlock with Premium

When to use

Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients

COSRX The Vitamin C 23 Serum 34 ingredients

257 Routines
54% use in am
46% use in pm
90% use every day
When to use See routines that use it ->
617 Routines
76% use in am
24% use in pm
92% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients

4.00
Overall rating
5
4
3
2
1
What people say
Expensive 67% Light 67% Absorbs Well 33%
See all reviews for Clearly Corrective Dark Spot Solution

COSRX The Vitamin C 23 Serum 34 ingredients

3.57
Overall rating
5
4
3
2
1
What people say
Works Well 42% Oily 33% Strong Scent 33%
See all reviews for The Vitamin C 23 Serum
Try our other tools
Ingredient Checker Icon
Ingredient Checker
Analyze the ingredients in any cosmetic product
Routine Creator Icon
Routine Creator
Design your step-by-step skincare routine
Compare Products Icon
Compare Products
Compare any two cosmetic products
Dupe Finder Icon
Skincare Dupes
Find dupes for any skincare product
Fungal Acne Checker Icon
Fungal Acne Checker
Check if a product contains fungal acne triggers
Ingredient Dictionary Icon
Ingredients Dictionary
Learn more about over 27,000 cosmetic ingredients

Track your products and build your routine with SkinSort.

Get started - it's free!