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Skinbetter Science
Alto Advanced Defense And Repair Serum

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Paula's Choice
Hyaluronic Acid Booster

Product category and function

Alto Advanced Defense And Repair Serum

Hyaluronic Acid Booster

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

Alto Advanced Defense And Repair Serum

Hyaluronic Acid Booster

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

Alto Advanced Defense And Repair Serum

Hyaluronic Acid Booster

No. of common ingredients = 0
Aqua/water, butylene glycol, propanediol, ethylhexyl olivate, cetearyl alcohol, chlorogenic acids, niacinamide, lauryl lactate, dimethyl isosorbide, pyrroloquinoline quinone allyl ester, hydrolyzed sodium hyaluronate, glycyrrhiza glabra (licorice) root extract, tetrahexyldecyl ascorbate, ergothioneine, benzylidene dimethoxydimethylindanone, arabidopsis thaliana extract, carnosine, camellia sinensis leaf extract, vitis vinifera (grape) seed extract, theobroma cacao (cocoa) seed extract, curcuma longa (turmeric) root extract, olea europaea (olive) fruit extract, euterpe oleracea fruit extract, trifluoroacetyl tripeptide-2, buddleja officinalis flower extract, coffea arabica (coffee) leaf cell extract, crocus sativus leaf cell culture extract, superoxide dismutase, ubiquinone, plankton extract, micrococcus lysate, arginine, zingiber officinale (ginger) root extract, ceramide np, ceramide ap, ceramide eop, linoleic acid, linolenic acid, bisabolol, tocopherol, tocopheryl acetate, cholesterol, phytosphingosine, jojoba esters, sodium pca, methyl gluceth-20, glycerin, helianthus annuus (sunflower) seed wax, acacia decurrens flower wax, lecithin, sodium lauroyl lactylate, dicetyl phosphate, propanediol dicaprylate/caprate, polyglycerin-3, ceteth-20 phosphate, diisostearyl malate, xanthan gum, steareth-2, acacia senegal gum, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, carbomer, acrylates/c10-30 alkyl acrylate crosspolymer, dextran, ricinoleth-40, sodium hydroxide, citric acid, sodium phytate, ethylhexylglycerin, phenoxyethanol 15	Water, glycerin, sodium hyaluronate, hyaluronic acid, ceramide np, ceramide ap, ceramide eop, phytosphingosine, yeast extract, adenosine, cholesterol, panthenol, silanetriol, butylene glycol, sodium lauroyl lactylate, carbomer, xanthan gum, citric acid, sodium hydroxide, polysorbate 20, ethylhexylglycerin, phenoxyethanol

No. of common ingredients = 0

Total Number of ingredients = 69

Total Number of ingredients = 22

Aqua/water, butylene glycol, propanediol, ethylhexyl olivate, cetearyl alcohol, chlorogenic acids, niacinamide, lauryl lactate, dimethyl isosorbide, pyrroloquinoline quinone allyl ester, hydrolyzed sodium hyaluronate, glycyrrhiza glabra (licorice) root extract, tetrahexyldecyl ascorbate, ergothioneine, benzylidene dimethoxydimethylindanone, arabidopsis thaliana extract, carnosine, camellia sinensis leaf extract, vitis vinifera (grape) seed extract, theobroma cacao (cocoa) seed extract, curcuma longa (turmeric) root extract, olea europaea (olive) fruit extract, euterpe oleracea fruit extract, trifluoroacetyl tripeptide-2, buddleja officinalis flower extract, coffea arabica (coffee) leaf cell extract, crocus sativus leaf cell culture extract, superoxide dismutase, ubiquinone, plankton extract, micrococcus lysate, arginine, zingiber officinale (ginger) root extract, ceramide np, ceramide ap, ceramide eop, linoleic acid, linolenic acid, bisabolol, tocopherol, tocopheryl acetate, cholesterol, phytosphingosine, jojoba esters, sodium pca, methyl gluceth-20, glycerin, helianthus annuus (sunflower) seed wax, acacia decurrens flower wax, lecithin, sodium lauroyl lactylate, dicetyl phosphate, propanediol dicaprylate/caprate, polyglycerin-3, ceteth-20 phosphate, diisostearyl malate, xanthan gum, steareth-2, acacia senegal gum, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, carbomer, acrylates/c10-30 alkyl acrylate crosspolymer, dextran, ricinoleth-40, sodium hydroxide, citric acid, sodium phytate, ethylhexylglycerin, phenoxyethanol

Water, glycerin, sodium hyaluronate, hyaluronic acid, ceramide np, ceramide ap, ceramide eop, phytosphingosine, yeast extract, adenosine, cholesterol, panthenol, silanetriol, butylene glycol, sodium lauroyl lactylate, carbomer, xanthan gum, citric acid, sodium hydroxide, polysorbate 20, ethylhexylglycerin, phenoxyethanol

Notable ingredients

Alto Advanced Defense And Repair Serum

Hyaluronic Acid Booster

Anti-acne: Niacinamide

Sunscreen/UV filter: Buddleja officinalis flower extract

Soothing: Niacinamide, Bisabolol, Curcuma longa (turmeric) root extract, Glycyrrhiza glabra (licorice) root extract, Jojoba esters

Soothing: Panthenol

Solvent: Water, Butylene glycol, Glycerin

Anti-microbial: Phenoxyethanol

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Ingredients with their functions

Alto Advanced Defense And Repair Serum

Hyaluronic Acid Booster

Aqua/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.

Butylene glycol

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

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

Propanediol

Also-called: Zemea | Function: Viscosity controlling, Solvent

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