MONAT IR Clinical Hair Thinning Defense Versus Necessaire The Scalp Serum
Updated on May 12, 2025
Overview
What they are
These products are both reef safe scalp treatments. They have a total of 10 ingredients in common
Cool Features
They both contain hyaluronic acid and peptides
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing and dark spots
Free From
They both do not contain any oils, parabens, silicones or sulfates
What's Inside
They both contain fragrances
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
MONAT IR Clinical Hair Thinning Defense 29 ingredients
Necessaire The Scalp Serum 20 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
MONAT IR Clinical Hair Thinning Defense 29 ingredients
Necessaire The Scalp Serum 20 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Ingredients Side-by-side
Water
Skin ConditioningPropanediol
Solvent
Glycerin
Humectant
Butylene Glycol
Humectant
Acetyl Tetrapeptide-3
Skin Protecting
Bakuchiol
Antimicrobial
Trifolium Pratense Flower Extract
Astringent
Pisum Sativum Extract
Skin ConditioningPicea Mariana Bark Extract
Antioxidant
Sodium Hyaluronate
Humectant
Biotin
AntiseborrhoeicCaffeine
Skin Conditioning
Dextran
Melatonin
Antioxidant
1,2-Hexanediol
Skin Conditioning
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingPolyglyceryl-4 Laurate/Sebacate
SolventPolyglyceryl-6 Caprylate/Caprate
StabilisingXanthan Gum
EmulsifyingResveratrol
Antioxidant
Sodium Ascorbyl Phosphate
Antioxidant
Sodium Benzoate
Masking
Sodium Gluconate
Skin ConditioningSodium Polyglutamate
HumectantCitric Acid
Buffering
Sorbitan Isostearate
Emulsifying
Tocopherol
Antioxidant
Ethylhexylglycerin
Skin ConditioningBenzyl Alcohol
Perfuming
Water, Propanediol, Glycerin, Butylene Glycol, Acetyl Tetrapeptide-3, Bakuchiol, Trifolium Pratense Flower Extract, Pisum Sativum Extract, Picea Mariana Bark Extract, Sodium Hyaluronate, Biotin, Caffeine, Dextran, Melatonin, 1,2-Hexanediol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Polyglyceryl-4 Laurate/Sebacate, Polyglyceryl-6 Caprylate/Caprate, Xanthan Gum, Resveratrol, Sodium Ascorbyl Phosphate, Sodium Benzoate, Sodium Gluconate, Sodium Polyglutamate, Citric Acid, Sorbitan Isostearate, Tocopherol, Ethylhexylglycerin, Benzyl Alcohol
Water
Skin ConditioningButylene Glycol
Humectant
Propanediol
Solvent
Sodium Hyaluronate
Humectant
Acetyl Tetrapeptide-3
Skin Protecting
Niacinamide
Smoothing
Panthenol
Skin Conditioning
Trifolium Pratense Flower Extract
Astringent
Apium Graveolens Seed Extract
Antioxidant
Camellia Sinensis Leaf Extract
Antimicrobial
Biotinoyl Tripeptide-1
Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-86
Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-9
Nicotiana Benthamiana Octapeptide-30 Sh-Oligopeptide-2
Skin Conditioning
Sodium Tocopheryl Phosphate
Antioxidant
Dextran
1,2-Hexanediol
Skin Conditioning
Caprylhydroxamic Acid
Citric Acid
Buffering
Glycerin
Humectant
Water, Butylene Glycol, Propanediol, Sodium Hyaluronate, Acetyl Tetrapeptide-3, Niacinamide, Panthenol, Trifolium Pratense Flower Extract, Apium Graveolens Seed Extract, Camellia Sinensis Leaf Extract, Biotinoyl Tripeptide-1, Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-86, Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-9, Nicotiana Benthamiana Octapeptide-30 Sh-Oligopeptide-2, Sodium Tocopheryl Phosphate, Dextran, 1,2-Hexanediol, Caprylhydroxamic Acid, Citric Acid, Glycerin
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
- Humectant, drawing moisture into the skin
- Emollient, helping to soften skin
- Solvent, dispersing and stabilizing formulas
- Preservative booster, enhancing the antimicrobial activity of other preservatives
This biometic peptide is designed to support hair growth.
According to a manufacturer, it stimulates hair growth by:
The manufacturer has found combining this ingredient with red clover extract (Capixyl) boosted benefits. Not only does it enforce the scalp's extracellular matrix, it also inhibits the enzyme that creates DHT, a hormone that leads to hair loss.
While this ingredient is promising, more research is still needed to confirm its full effectiveness.
Learn more about Acetyl Tetrapeptide-3Butylene 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.
Learn more about Butylene GlycolCitric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and even out skin tone.
If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.
Read more about some other popular AHA's here:
Learn more about Citric AcidDextran is a sugar (polysaccharide) with skin hydrating properties.
Fun fact: Louis Pasteur first discovered this ingredient as a microbial product in wine.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinPropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.
It’s often used to:
Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.
Learn more about PropanediolSodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateThis extract comes from the flower more commonly known as red clover.
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 WaterIngredient Ratings
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When to use
MONAT IR Clinical Hair Thinning Defense 29 ingredients
Necessaire The Scalp Serum 20 ingredients
Reviews
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