Skin science article
Timeless Skin Care Matrixyl 3000 Serum Versus Paula's Choice Pro-Collagen Multi-Peptide Booster
Timeless Skin Care Matrixyl 3000 Serum Versus Paula's Choice Pro-Collagen Multi-Peptide Booster This anti-aging serum is formulated around Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and refine skin texture. What's inside
Timeless Skin Care Matrixyl 3000 Serum Versus Paula's Choice Pro-Collagen Multi-Peptide Booster
This anti-aging serum is formulated around Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and refine skin texture.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Butylene Glycol
Carbomer
Polysorbate 20
Palmitoyl Tripeptide-1
Palmitoyl Tetrapeptide-7
Aloe Barbadensis Leaf Extract
Hyaluronic Acid
Benzyl Alcohol
Dehydroacetic Acid
Water, Glycerin, Butylene Glycol, Carbomer, Polysorbate 20, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Aloe Barbadensis Leaf Extract, Hyaluronic Acid, Benzyl Alcohol, Dehydroacetic Acid
Pentylene Glycol
Hydrolyzed Yeast Extract
Pyrus Malus Fruit Extract
Dimethicone
Propanediol
Ceramide AP
1,2-Hexanediol
Glyceryl Glucoside
Palmitoyl Tetrapeptide-72 Amide
Sh-Polypeptide-121
Tridecapeptide-1
Polyglucuronic Acid
Sodium Hyaluronate
C9-12 Alkane
Ammonium Polyacryloyldimethyl Taurate
Polygonum Bistorta Root Extract
Bacillus Ferment
Lecithin
Sodium Phytate
Coco-Caprylate/Caprate
Hexylene Glycol
Cetyl Hydroxyethylcellulose
Xanthan Gum
Ethylhexylglycerin
Caprylyl Glycol
Magnesium Chloride
Potassium Sorbate
Sodium Benzoate
Water, Glycerin, Pentylene Glycol, Hydrolyzed Yeast Extract, Pyrus Malus Fruit Extract, Dimethicone, Propanediol, Ceramide AP, 1,2-Hexanediol, Glyceryl Glucoside, Palmitoyl Tetrapeptide-72 Amide, Sh-Polypeptide-121, Tridecapeptide-1, Polyglucuronic Acid, Sodium Hyaluronate, C9-12 Alkane, Ammonium Polyacryloyldimethyl Taurate, Polygonum Bistorta Root Extract, Bacillus Ferment, Lecithin, Sodium Phytate, Coco-Caprylate/Caprate, Hexylene Glycol, Cetyl Hydroxyethylcellulose, Xanthan Gum, Ethylhexylglycerin, Caprylyl Glycol, Magnesium Chloride, Potassium Sorbate, Sodium Benzoate
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Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!