Skin science article
Dear, Klairs Freshly Juiced Vitamin Drop Versus The Ordinary Multi-Peptide + HA Serum
Dear, Klairs Freshly Juiced Vitamin Drop Versus The Ordinary Multi-Peptide + HA Serum This brightening serum is formulated around Ascorbic Acid and Centella Asiatica Extract to brighten dull-looking skin and fade the look of dark spots. This anti-aging serum i
Dear, Klairs Freshly Juiced Vitamin Drop Versus The Ordinary Multi-Peptide + HA Serum
This brightening serum is formulated around Ascorbic Acid and Centella Asiatica Extract to brighten dull-looking skin and fade the look of dark spots.
This anti-aging serum is formulated around Lactococcus Ferment Lysate and Acetyl Hexapeptide-8 to soften the look of wrinkles and hydrate skin.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Propylene Glycol
Ascorbic Acid
Hydroxyethylcellulose
Citrus Junos Fruit Extract
Centella Asiatica Extract
Polysorbate 60
Illicium Verum Fruit Extract
Chaenomeles Sinensis Fruit Extract
Paeonia Suffruticosa Root Extract
Brassica Oleracea Italica Extract
Nelumbium Speciosum Flower Extract
Citrus Paradisi Fruit Extract
Scutellaria Baicalensis Root Extract
Butylene Glycol
Glycerin
Citrus Aurantium Dulcis Oil
1,2-Hexanediol
Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Isohexadecane
Disodium EDTA
Lavandula Angustifolia Oil
Camellia Sinensis Callus Culture Extract
Polysorbate 80
Disodium Phosphate
Sorbitan Oleate
Chrysanthellum Indicum Extract
Asarum Sieboldii Root Extract
Quercus Mongolica Leaf Extract
Persicaria Hydropiper Extract
Larix Europaea Wood Extract
Magnolia Obovata Bark Extract
Rheum Palmatum Root Extract
Corydalis Turtschaninovii Root Extract
Coptis Chinensis Root Extract
Sodium Phosphate
Lysine Hcl
Sodium Ascorbyl Phosphate
Acetyl Methionine
Theanine
Proline
Lecithin
Acetyl Glutamine
Bacillus/Folic Acid/Soybean Ferment Extract
Sodium Hyaluronate
Sh-Oligopeptide-1
Sh-Oligopeptide-2
Sh-Polypeptide-1
Sh-Polypeptide-11
Sh-Polypeptide-9
Caprylyl Glycol
Limonene
Water, Propylene Glycol, Ascorbic Acid, Hydroxyethylcellulose, Citrus Junos Fruit Extract, Centella Asiatica Extract, Polysorbate 60, Illicium Verum Fruit Extract, Chaenomeles Sinensis Fruit Extract, Paeonia Suffruticosa Root Extract, Brassica Oleracea Italica Extract, Nelumbium Speciosum Flower Extract, Citrus Paradisi Fruit Extract, Scutellaria Baicalensis Root Extract, Butylene Glycol, Glycerin, Citrus Aurantium Dulcis Oil, 1,2-Hexanediol, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isohexadecane, Disodium EDTA, Lavandula Angustifolia Oil, Camellia Sinensis Callus Culture Extract, Polysorbate 80, Disodium Phosphate, Sorbitan Oleate, Chrysanthellum Indicum Extract, Asarum Sieboldii Root Extract, Quercus Mongolica Leaf Extract, Persicaria Hydropiper Extract, Larix Europaea Wood Extract, Magnolia Obovata Bark Extract, Rheum Palmatum Root Extract, Corydalis Turtschaninovii Root Extract, Coptis Chinensis Root Extract, Sodium Phosphate, Lysine Hcl, Sodium Ascorbyl Phosphate, Acetyl Methionine, Theanine, Proline, Lecithin, Acetyl Glutamine, Bacillus/Folic Acid/Soybean Ferment Extract, Sodium Hyaluronate, Sh-Oligopeptide-1, Sh-Oligopeptide-2, Sh-Polypeptide-1, Sh-Polypeptide-11, Sh-Polypeptide-9, Caprylyl Glycol, Limonene
Lactococcus Ferment Lysate
Acetyl Hexapeptide-8
Pentapeptide-18
Palmitoyl Tripeptide-1
Palmitoyl Tetrapeptide-7
Palmitoyl Tripeptide-38
Dipeptide Diaminobutyroyl Benzylamide Diacetate
Acetylarginyltryptophyl Diphenylglycine
Sodium Hyaluronate Crosspolymer
Allantoin
Glycine
Alanine
Serine
Valine
Isoleucine
Threonine
Histidine
Phenylalanine
Arginine
Aspartic Acid
Trehalose
Fructose
Glucose
Maltose
Urea
Sodium PCA
PCA
Sodium Lactate
Citric Acid
Hydroxypropyl Cyclodextrin
Sodium Chloride
Sodium Hydroxide
Pentylene Glycol
Acacia Senegal Gum
Xanthan Gum
Carbomer
Polysorbate 20
PPG-26-Buteth-26
PEG-40 Hydrogenated Castor Oil
Trisodium Ethylenediamine Disuccinate
Ethoxydiglycol
Sodium Benzoate
Ethylhexylglycerin
Phenoxyethanol
Chlorphenesin
Water, Glycerin, Lactococcus Ferment Lysate, Acetyl Hexapeptide-8, Pentapeptide-18, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-38, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Acetylarginyltryptophyl Diphenylglycine, Sodium Hyaluronate Crosspolymer, Sodium Hyaluronate, Allantoin, Glycine, Alanine, Serine, Valine, Isoleucine, Proline, Threonine, Histidine, Phenylalanine, Arginine, Aspartic Acid, Trehalose, Fructose, Glucose, Maltose, Urea, Sodium PCA, PCA, Sodium Lactate, Citric Acid, Hydroxypropyl Cyclodextrin, Sodium Chloride, Sodium Hydroxide, Butylene Glycol, Pentylene Glycol, Acacia Senegal Gum, Xanthan Gum, Carbomer, Polysorbate 20, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Trisodium Ethylenediamine Disuccinate, Ethoxydiglycol, Sodium Benzoate, Caprylyl Glycol, Ethylhexylglycerin, Phenoxyethanol, Chlorphenesin
Reviews
Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.
Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.
Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).
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.
Proline is a non-essential amino acid, meaning your body can make it on its own. In skincare, it is a skin conditioning ingredient that keeps skin soft and hydrated.
It makes up about 23% of the collagen molecule (collagen is the protein responsible for keeping your skin firm) and is involved in your skin's natural hyaluronic acid production. When applied topically, proline can penetrate the skin fairly well due to its small molecular size.
Reviews of this ingredient have found it to be neither a dermal irritant nor a sensitizer.
Fun fact: Proline can be found in protein-rich foods like meat, fish, eggs, and dairy.
Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.
In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.
Interestingly, the size of the molecule affects its behavior:
Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.
Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.
You'll typically see concentrations between 0.1-2% for this ingredient.
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!