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it Cosmetics
Bye Bye Dark Spots Niacinamide Serum

Versus

Kiehl's
Clearly Corrective Dark Spot Serum

Product category and function

Bye Bye Dark Spots Niacinamide Serum

Clearly Corrective Dark Spot Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
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Ingredient highlights

Bye Bye Dark Spots Niacinamide Serum

Clearly Corrective Dark Spot Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

Bye Bye Dark Spots Niacinamide Serum

Clearly Corrective Dark Spot Serum

No. of common ingredients = 0
Aqua/water/eau, propylene glycol, glycerin, niacinamide, peg/ppg/polybutylene glycol-8/5/3 glycerin, hydroxypropyl tetrahydropyrantriol, caffeine, 3-o-ethyl ascorbic acid, citric acid, phenoxyethanol, ppg-6-decyltetradeceth-30, salicylic acid, xanthan gum, sodium citrate, hydroxyethylcellulose, potassium hydroxide, disodium edta, limonene, geraniol, citronellol, tocopherol, parfum. 16	Aqua (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 (lavender oil), disodium edta, adenosine, linalool, butylene glycol, tocopherol, citrus aurantium tachibana peel extract, paeonia suffruticosa root extract.

No. of common ingredients = 0

Total Number of ingredients = 22

Total Number of ingredients = 24

Aqua/water/eau, propylene glycol, glycerin, niacinamide, peg/ppg/polybutylene glycol-8/5/3 glycerin, hydroxypropyl tetrahydropyrantriol, caffeine, 3-o-ethyl ascorbic acid, citric acid, phenoxyethanol, ppg-6-decyltetradeceth-30, salicylic acid, xanthan gum, sodium citrate, hydroxyethylcellulose, potassium hydroxide, disodium edta, limonene, geraniol, citronellol, tocopherol, parfum.

Aqua (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 (lavender oil), disodium edta, adenosine, linalool, butylene glycol, tocopherol, citrus aurantium tachibana peel extract, paeonia suffruticosa root extract.

Notable ingredients

Bye Bye Dark Spots Niacinamide Serum

Clearly Corrective Dark Spot Serum

Anti-acne: Niacinamide, Salicylic acid

Soothing: Niacinamide

Skin brightening: Niacinamide, 3-o-ethyl ascorbic acid

Anti-acne: Salicylic acid

Skin brightening: 3-o-ethyl ascorbic acid

Antioxidant: 3-o-ethyl ascorbic acid, Tocopherol, Tocopheryl acetate

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Ingredients with their functions

Bye Bye Dark Spots Niacinamide Serum

Clearly Corrective Dark Spot Serum

Aqua/water/eau

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Propylene glycol

Function: Viscosity controlling, Skin conditioning, Humectant/Moisturizer, Solvent

We don’t have a detailed description of this ingredient yet.

Glycerin

Also-called: Glycerol | Function: Skin-identical ingredient, Viscosity controlling, Skin protecting, Skin conditioning, Humectant/Moisturizer, Solvent