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Replenix
Hyaluronic Acid Hydration Serum

Versus

SkinCeuticals
C + Aha

Product category and function

Hyaluronic Acid Hydration Serum

C + Aha

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 Hydration Serum

C + Aha

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

Full ingredient list

Hyaluronic Acid Hydration Serum

C + Aha

No. of common ingredients = 0
Total Number of ingredients = 13	Total Number of ingredients = 12
Purified water, glycerin, sodium pca, sodium hyaluronate, hydrolyzed sodium hyaluronate, camellia sinensis (white tea) extract, palmitoyl tripeptide-28, ergothioneine, glutathione, zinc pca, copper pca, phenoxyethanol, disodium edta 5	Aqua/water/eau, ascorbic acid, triethanolamine, glycolic acid, propylene glycol, glycerin, citric acid, lactic acid, phenoxyethanol, zinc sulfate, disodium edta, sodium hyaluronate.

Notable ingredients

Hyaluronic Acid Hydration Serum

C + Aha

Antioxidant: Camellia sinensis (white tea) extract, Ergothioneine

Solvent: Purified water, Glycerin

Anti-microbial: Phenoxyethanol

Antioxidant: Ascorbic acid

Exfoliant: Glycolic acid, Lactic acid

Solvent: Aqua/water/eau, Glycerin, Propylene glycol

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Ingredients with their functions

Hyaluronic Acid Hydration Serum

C + Aha

Purified 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.

Glycerin

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