Cos De BAHA P M.A Peptide Serum Versus The INKEY List Tranexamic Acid Night Treatment

Cos De BAHA P M.A Peptide Serum Versus The INKEY List Tranexamic Acid Night Treatment

This anti-aging serum is formulated around Niacinamide and Palmitoyl Tripeptide-1 to soften the look of wrinkles and refine skin texture.

This brightening serum is formulated around Ascorbyl Glucoside and Tranexamic Acid to fade the look of dark spots and brighten dull-looking skin.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Aloe Barbadensis Leaf Extract

Propanediol

Glycerin

Niacinamide

1,2-Hexanediol

Palmitoyl Tripeptide-1

Palmitoyl Tetrapeptide-7

Acetyl Hexapeptide-8

Panthenol

Sodium Hyaluronate

Beta-Glucan

Adenosine

Allantoin

Butylene Glycol

Carbomer

Polysorbate 20

Caprylyl Glycol

Sodium Lactate

Water

Rosa Damascena Extract

Lavandula Angustifolia Flower Extract

Camellia Sinensis Leaf Extract

Melissa Officinalis Leaf Extract

Artemisia Vulgaris Extract

Aloe Barbadensis Leaf Extract, Propanediol, Glycerin, Niacinamide, 1,2-Hexanediol, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Acetyl Hexapeptide-8, Panthenol, Sodium Hyaluronate, Beta-Glucan, Adenosine, Allantoin, Butylene Glycol, Carbomer, Polysorbate 20, Caprylyl Glycol, Sodium Lactate, Water, Rosa Damascena Extract, Lavandula Angustifolia Flower Extract, Camellia Sinensis Leaf Extract, Melissa Officinalis Leaf Extract, Artemisia Vulgaris Extract

Ascorbyl Glucoside

Tranexamic Acid

Euterpe Oleracea Fruit Extract

1-Methylhydantoin-2-Imide

Sodium Acrylates Copolymer

Phenoxyethanol

Sodium Hydroxide

Cetearyl Olivate

Benzyl Alcohol

Sorbitan Olivate

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Lecithin

Squalane

Ethylhexylglycerin

Sodium Gluconate

Polysorbate 60

Dehydroacetic Acid

Lactobacillus Ferment

Sorbitan Isostearate

Water, Butylene Glycol, Glycerin, Ascorbyl Glucoside, Tranexamic Acid, Euterpe Oleracea Fruit Extract, 1-Methylhydantoin-2-Imide, Sodium Acrylates Copolymer, Phenoxyethanol, Carbomer, Sodium Hydroxide, Cetearyl Olivate, Benzyl Alcohol, Sorbitan Olivate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Lecithin, Squalane, Ethylhexylglycerin, Sodium Gluconate, Polysorbate 60, Dehydroacetic Acid, Lactobacillus Ferment, Sorbitan Isostearate

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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.

Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.

Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.

It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.

Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.

A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.

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!

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