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SkinCeuticals
Hyaluronic Acid Intensifier (H.A.)

Versus

Kiehl's
Clearly Corrective Dark Spot Serum

Product category and function

Hyaluronic Acid Intensifier (H.A.)

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

Hyaluronic Acid Intensifier (H.A.)

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

Hyaluronic Acid Intensifier (H.A.)

Clearly Corrective Dark Spot Serum

No. of common ingredients = 0
Water, cyclohexasiloxane, glycerin, alcohol denat., hydroxypropyl tetrahydropyrantriol, propylene glycol, dipotassium glycyrrhizate, polysilicone-11, polymethylsilsesquioxane, sodium hyaluronate, dimethicone, tocopherol, phenoxyethanol, capryloyl salicylic acid, octyldodecanol, bis-peg/ppg-16/16 peg/ppg-16/16 dimethicone, peg-20 methyl glucose sesquistearate, ammonium polyacryloyldimethyl taurate, caprylyl glycol, xanthan gum, dextrin, oryza sativa extract (rice extract), disodium edta, caprylic/capric triglyceride, sodium hydroxide, adenosine, citrus nobilis peel oil (mandarin orange peel oil), limonene, t-butyl alcohol, cellulose acetate butyrate, polyphosphorylcholine glycol acrylate, polyvinyl alcohol, sodium chloride, butylene glycol, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate 11	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 = 35

Total Number of ingredients = 24

Water, cyclohexasiloxane, glycerin, alcohol denat., hydroxypropyl tetrahydropyrantriol, propylene glycol, dipotassium glycyrrhizate, polysilicone-11, polymethylsilsesquioxane, sodium hyaluronate, dimethicone, tocopherol, phenoxyethanol, capryloyl salicylic acid, octyldodecanol, bis-peg/ppg-16/16 peg/ppg-16/16 dimethicone, peg-20 methyl glucose sesquistearate, ammonium polyacryloyldimethyl taurate, caprylyl glycol, xanthan gum, dextrin, oryza sativa extract (rice extract), disodium edta, caprylic/capric triglyceride, sodium hydroxide, adenosine, citrus nobilis peel oil (mandarin orange peel oil), limonene, t-butyl alcohol, cellulose acetate butyrate, polyphosphorylcholine glycol acrylate, polyvinyl alcohol, sodium chloride, butylene glycol, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate

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

Hyaluronic Acid Intensifier (H.A.)

Clearly Corrective Dark Spot Serum

Antioxidant: Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, Tocopherol

Exfoliant: Capryloyl salicylic acid

Solvent: Water, Alcohol denat, Butylene glycol, Caprylic/capric triglyceride, Cyclohexasiloxane, Glycerin, Limonene, Propylene glycol, T-butyl alcohol, Octyldodecanol

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

Hyaluronic Acid Intensifier (H.A.)

Clearly Corrective Dark Spot Serum

Water

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.

Cyclohexasiloxane

Function: Emollient/Moisturizer, Skin conditioning, 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