The Ordinary Multi-Peptide Serum for Hair Density Versus Kérastase Nutritive 8H Magic Night Serum Hydrating Treatment
Updated on June 13, 2024
Overview
What they are
These products are both reef safe . They have a total of 2 ingredients in common
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any parabens or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
The Ordinary Multi-Peptide Serum for Hair Density 36 ingredients
Kérastase Nutritive 8H Magic Night Serum Hydrating Treatment 33 ingredients
At a glance
Click on any of the items below to learn more
The Ordinary Multi-Peptide Serum for Hair Density 36 ingredients
Kérastase Nutritive 8H Magic Night Serum Hydrating Treatment 33 ingredients
Notable Ingredients
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Benefits
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Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 2 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
Ingredients Side-by-side
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.
Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Caffeine is most associated with coffee, tea, and cacao. In skincare, it helps with calming inflammation and anti-aging.
Scutellaria Baicalensis Root Extract comes from the Baikal skullcap or Chinese skullcap plant. This plant is native to Northeast Asia and can be found in China, Mongolia, Korea, and Siberia.
This ingredient is extracted from the germ part of the wheat plant. The germ of a plant refers to the seed embryo, or part that sprouts into a new plant.
Trifolium Pratense Flower Extract can help to reduce large pores.
5 Benefits
Camellia Sinensis Leaf Extract is derived from the leaves of the tea plant. Black tea, green tea, and oolong tea are all harvested from this plant.
Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.
Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.
6 Benefits 3 Concerns
Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
2 Benefits
Gluconolactone is a PHA. PHAs are a great gentle alternative to traditional AHAs.
Maltodextrin is a polysaccharide. It is derived from starch such as rice, corn, wheat, or potato starch.
Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.
Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.
Not safe for Fungal Acne
Peg-40 Hydrogenated Castor Oil is derived from castor oil and polyethylene glycol (PEG). It is used as a emollient and emulsifier.
Preservative
Sodium Metabisulfite is an antioxidant and is a preservative.
Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol.
Water, Propanediol, Butylene Glycol, Glycerin, Caffeine, Biotinoyl Tripeptide-1, Acetyl Tetrapeptide-3, Larix Europaea Wood Extract, Pisum Sativum Extract, Scutellaria Baicalensis Root Extract, Triticum Vulgare Germ Extract, Glycine Soja Germ Extract, Trifolium Pratense Flower Extract, Camellia Sinensis Leaf Extract, Apigenin, Oleanolic Acid, Arginine, Glycine, Calcium Gluconate, Zinc Chloride, Lactic Acid, Gluconolactone, Dextran, Maltodextrin, Hydroxyethylcellulose, Xanthan Gum, Pentylene Glycol, Dimethyl Isosorbide, Polysorbate 20, Ppg-26-Buteth-26, Peg-40 Hydrogenated Castor Oil, Trisodium Ethylenediamine Disuccinate, Sodium Metabisulfite, Sodium Benzoate, Phenoxyethanol, Chlorphenesin
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.
Cyclohexasiloxane is a type of silicone more commonly known as D6. It is an emollient and solvent.
This synthetic solvent is more commonly known as 'hemi-squalane'. This is due to it having a similar composition of bonded hydrogen and carbon as squalane.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
C13-14 Isoparaffin is created from petroleum-based mineral oils. It is an emollient and helps thicken a product.
Laureth-7 is created by the ethoxylation of lauryl alcohol using ethylene oxide. Lauryl alcohol is a fatty alcohol with hydrating properties.
2 Concerns
Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.
Antioxidant 4 Benefits May cause irritation
Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
EU Allergen
Hydroxycitronellal is a fragrance created from citronellal. The smell of hydroxycitronellal is often described as "citrus-like" or "melon-like".
EU Allergen
Benzyl Salicylate is a solvent and fragrance additive. It is an ester of benzyl alcohol and salicylic acid. This ingredient can be naturally found in some plants and plant extracts.
Fragrance Preservative 6 Concerns
Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.
EU Allergen
Hexyl Cinnamal is a fragrance ingredient with a similar scent to jasmine. It can be naturally found in chamomile essential oil.
EU Allergen
Citronellol is used to add fragrance/parfum to a product. It is often derived from plants such as roses. In fact, it can be found in many essential oils including geranium, lavender, neroli, and more. The scent of Citronellol is often described as "fresh, grassy, and citrus-like".
Not safe for Fungal Acne
Glyceryl Oleate is a fragrance and isn't fungal acne safe.
EU Allergen
Alpha-Isomethyl Ionone is a fragrance. It can be synthetically created or naturally occurring.
Antioxidant 6 Benefits
Ascorbyl Glucoside is a stable form of Vitamin C. It is created by combining glucose from starch.
EU Allergen
Coumarins are a group of substances found naturally in plants. There are over 1300 types of coumarins identified. It has a natural vanilla scent.
Limonene is a fragrance that adds scent and taste to a formulation.
We don't have a description for Hydroxypropyltrimonium Hydrolyzed Wheat Protein.
CI 19140 is also known as Tartrazine. Tartrazine is a synthetic dye used in cosmetics, foods, and medicine to add a yellow color.
This BHA stands for butylated hydroxyanisole. If you are looking for the beta-hydroxy acid, aka as Salicylic Acid, click here.
Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Water, Cyclohexasiloxane, C13-16 Isoparaffin, Dimethicone, C13-14 Isoparaffin, Laureth-7, Linalool, Tocopherol, Niacinamide, Pyridoxine, Lysine Hcl, Panthenol, Butylene Glycol, Hydroxycitronellal, Glyceryl Linoleate, Benzyl Salicylate, Benzyl Alcohol, Hexyl Cinnamal, Citronellol, Glyceryl Oleate, Alpha-Isomethyl Ionone, Ascorbyl Glucoside, Safflower Glucoside, Coumarin, Limonene, Hydroxypropyltrimonium Hydrolyzed Wheat Protein, Iris Florentina Root Extract, Glyceryl Linolenate, CI 19140, CI 14700, BHA, Sodium Citrate, Parfum
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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. Stay hydrated!
Learn more about WaterButylene Glycol (or BG) is used within cosmetic products for a few different reasons:
- It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
- It is a humectant, which means that it helps attract moisture into the skin.
- It helps improve product application.
Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.
Ingredient Ratings
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When to use
The Ordinary Multi-Peptide Serum for Hair Density 36 ingredients
Kérastase Nutritive 8H Magic Night Serum Hydrating Treatment 33 ingredients
Reviews
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