Ouai Hydrating Scalp Serum for Healthy, Fuller Looking Hair Versus Torriden Dive-In Low-Molecular Hyaluronic Acid Serum

Ouai Hydrating Scalp Serum for Healthy, Fuller Looking Hair Versus Torriden Dive-In Low-Molecular Hyaluronic Acid Serum

This hydrating serum is formulated around Panthenol and Hydrolyzed Hyaluronic Acid to hydrate skin and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Polysorbate 20

Butylene Glycol

Glycerin

Polyquaternium-7

Rhodiola Rosea Extract

Sodium Hyaluronate

Tocopheryl Acetate

Acetyl Tetrapeptide-3

Tocopherol

Rosa Centifolia Flower Extract

Dextran

Trifolium Pratense Flower Extract

Acanthopanax Senticosus Root Extract

Rhaponticum Carthamoides Root Extract

Inonotus Obliquus Extract

Selaginella Lepidophylla Extract

Ethylhexylglycerin

Disodium EDTA

Sodium Hydroxide

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Citric Acid

Sodium Benzoate

Phenoxyethanol

Parfum

Eugenol

Limonene

Linalool

Water, Polysorbate 20, Butylene Glycol, Glycerin, Polyquaternium-7, Rhodiola Rosea Extract, Sodium Hyaluronate, Tocopheryl Acetate, Acetyl Tetrapeptide-3, Tocopherol, Rosa Centifolia Flower Extract, Dextran, Trifolium Pratense Flower Extract, Acanthopanax Senticosus Root Extract, Rhaponticum Carthamoides Root Extract, Inonotus Obliquus Extract, Selaginella Lepidophylla Extract, Ethylhexylglycerin, Disodium EDTA, Sodium Hydroxide, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Citric Acid, Sodium Benzoate, Phenoxyethanol, Parfum, Eugenol, Limonene, Linalool

Dipropylene Glycol

1,2-Hexanediol

Panthenol

Sodium Hyaluronate Crosspolymer

Hydrolyzed Hyaluronic Acid

Sodium Acetylated Hyaluronate

Hydrolyzed Sodium Hyaluronate

Allantoin

Ectoin

Glycyrrhiza Glabra Root Extract

2,3-Butanediol

Trehalose

Betaine

Propanediol

Portulaca Oleracea Extract

Hamamelis Virginiana Leaf Extract

Madecassoside

Madecassic Acid

Ceramide NP

Beta-Glucan

Malachite Extract

Cholesterol

Pentylene Glycol

Glyceryl Acrylate/Acrylic Acid Copolymer

Pvm/Ma Copolymer

Polyglyceryl-10 Laurate

Xanthan Gum

Tromethamine

Carbomer

Scutellaria Baicalensis Root Extract

Paeonia Suffruticosa Root Extract

Water, Butylene Glycol, Glycerin, Dipropylene Glycol, 1,2-Hexanediol, Panthenol, Sodium Hyaluronate Crosspolymer, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Hydrolyzed Sodium Hyaluronate, Allantoin, Ectoin, Glycyrrhiza Glabra Root Extract, 2,3-Butanediol, Trehalose, Betaine, Propanediol, Portulaca Oleracea Extract, Hamamelis Virginiana Leaf Extract, Madecassoside, Madecassic Acid, Ceramide NP, Beta-Glucan, Malachite Extract, Cholesterol, Pentylene Glycol, Glyceryl Acrylate/Acrylic Acid Copolymer, Pvm/Ma Copolymer, Polyglyceryl-10 Laurate, Xanthan Gum, Tromethamine, Carbomer, Ethylhexylglycerin, Scutellaria Baicalensis Root Extract, Paeonia Suffruticosa Root Extract

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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.

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.

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

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.

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!

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