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Tatcha
The Silk Serum

Versus

Kate Somerville
HydraKate Recharging Serum

Product category and function

The Silk Serum

HydraKate Recharging 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

The Silk Serum

HydraKate Recharging 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 cruelty-free

Full ingredient list

The Silk Serum

HydraKate Recharging Serum

No. of common ingredients = 0
Aqua/water/eau, saccharomyces/rice ferment filtrate, glycerin, betaine, pentylene glycol, caprylic/capric triglyceride, propanediol, vaccinium macrocarpon (cranberry) fruit extract, crithmum maritimum extract, camellia sinensis leaf extract, cladosiphon okamuranus extract, squalane, sericin, morus alba leaf extract, hydrolyzed silk, carthamus tinctorius (safflower) seed oil, tetrapeptide-4, polyglyceryl-10 stearate, diglucosyl gallic acid, helianthus annuus (sunflower) seed oil, hydrolyzed conchiolin protein, caprylyl glycol, acrylates/c10-30 alkyl acrylate crosspolymer, prunus amygdalus dulcis (sweet almond) oil, citrus aurantium bergamia (bergamot) fruit oil, citrus limon (lemon) peel oil, citrus latifolia peel oil, lavandula angustifolia (lavender) oil, ocimum basilicum (basil) oil, eucalyptus globulus leaf oil, juniperus virginiana oil, amyris balsamifera bark oil, 1,2-hexanediol, butylene glycol, sodium citrate, citric acid, disodium edta, potassium hydroxide, synthetic fluorphlogopite, tin oxide, citral, limonene, linalool, ethylhexylglycerin, phenoxyethanol, titanium dioxide (ci 77891) 13	Aqua/water/eau, glycerin, betaine, propanediol, isostearyl isostearate, caprylic/capric triglyceride, c9-12 alkane, glyceryl glucoside, isononyl isononanoate, 1,2-hexanediol, spirulina maxima extract, palmitoyl tetrapeptide-7, rosmarinus officinalis (rosemary) leaf extract, hydrolyzed sodium hyaluronate, sodium hyaluronate, coco-caprylate/caprate, caprylyl/capryl glucoside, ethylhexylglycerin, sucrose, lecithin, chrysin, parfum/fragrance, sodium acrylate/sodium acryloyldimethyl taurate copolymer, pentylene glycol, ethylhexyl isononanoate, polyisobutene, disodium edta, xanthan gum, citric acid, sorbitan oleate, sodium hydroxide, phenoxyethanol, linalool, limonene

No. of common ingredients = 0

Total Number of ingredients = 46

Total Number of ingredients = 34

Aqua/water/eau, saccharomyces/rice ferment filtrate, glycerin, betaine, pentylene glycol, caprylic/capric triglyceride, propanediol, vaccinium macrocarpon (cranberry) fruit extract, crithmum maritimum extract, camellia sinensis leaf extract, cladosiphon okamuranus extract, squalane, sericin, morus alba leaf extract, hydrolyzed silk, carthamus tinctorius (safflower) seed oil, tetrapeptide-4, polyglyceryl-10 stearate, diglucosyl gallic acid, helianthus annuus (sunflower) seed oil, hydrolyzed conchiolin protein, caprylyl glycol, acrylates/c10-30 alkyl acrylate crosspolymer, prunus amygdalus dulcis (sweet almond) oil, citrus aurantium bergamia (bergamot) fruit oil, citrus limon (lemon) peel oil, citrus latifolia peel oil, lavandula angustifolia (lavender) oil, ocimum basilicum (basil) oil, eucalyptus globulus leaf oil, juniperus virginiana oil, amyris balsamifera bark oil, 1,2-hexanediol, butylene glycol, sodium citrate, citric acid, disodium edta, potassium hydroxide, synthetic fluorphlogopite, tin oxide, citral, limonene, linalool, ethylhexylglycerin, phenoxyethanol, titanium dioxide (ci 77891)

Aqua/water/eau, glycerin, betaine, propanediol, isostearyl isostearate, caprylic/capric triglyceride, c9-12 alkane, glyceryl glucoside, isononyl isononanoate, 1,2-hexanediol, spirulina maxima extract, palmitoyl tetrapeptide-7, rosmarinus officinalis (rosemary) leaf extract, hydrolyzed sodium hyaluronate, sodium hyaluronate, coco-caprylate/caprate, caprylyl/capryl glucoside, ethylhexylglycerin, sucrose, lecithin, chrysin, parfum/fragrance, sodium acrylate/sodium acryloyldimethyl taurate copolymer, pentylene glycol, ethylhexyl isononanoate, polyisobutene, disodium edta, xanthan gum, citric acid, sorbitan oleate, sodium hydroxide, phenoxyethanol, linalool, limonene

Notable ingredients

The Silk Serum

HydraKate Recharging Serum

Sunscreen/UV filter: Titanium dioxide (ci 77891)

Antioxidant: Camellia sinensis leaf extract, Carthamus tinctorius (safflower) seed oil

Solvent: Aqua/water/eau, 1,2-hexanediol, Butylene glycol, Caprylic/capric triglyceride, Glycerin, Helianthus annuus (sunflower) seed oil, Limonene, Propanediol, Pentylene glycol

Soothing: Rosmarinus officinalis (rosemary) leaf extract, Sucrose

Antioxidant: Rosmarinus officinalis (rosemary) leaf extract, Spirulina maxima extract

Cell-signaling ingredient: Palmitoyl tetrapeptide-7

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Ingredients with their functions

The Silk Serum

HydraKate Recharging 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.

Saccharomyces/rice ferment filtrate

Function: Skin conditioning

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