Disclosure: This page may contain affiliate links. Read our full disclosure policy.

Cosrx
The 6 Peptide Skin Booster Serum

Versus

Nineless
B-Boost 10% Niacinamide Serum

Product category and function

The 6 Peptide Skin Booster Serum

B-Boost 10% Niacinamide Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
----	----

Ingredient highlights

The 6 Peptide Skin Booster Serum

B-Boost 10% Niacinamide Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

The 6 Peptide Skin Booster Serum

B-Boost 10% Niacinamide Serum

No. of common ingredients = 0
Water, dipropylene glycol, glycerin, pentylene glycol, 1,2-hexanediol, niacinamide, ammonium acryloyldimethyltaurate/vp copolymer, polyacrylate crosspolymer-6, butylene glycol, xanthan gum, ethylhexylglycerin, adenosine, polyquaternium-51, disodium edta, citric acid, caprylyl glycol, betaine, t-butyl alcohol, sodium pca, sodium lactate, acetyl hexapeptide-8, copper tripeptide-1, pca, sh-polypeptide-121, serine, alanine, allantoin, sodium hyaluronate, acetyl glucosamine, glycine, glutamic acid, lysine hcl, threonine, dipeptide diaminobutyroyl benzylamide diacetate, arginine, tocopherol, oligopeptide-68, proline, dextran, palmitoyl tripeptide-8, glycine soja (soybean) oil, hydrogenated lecithin, potassium sorbate, sodium oleate 14	Aqua (water), niacinamide (100,000ppm), methylpropanediol, glycerin, panthenol, tranexamic acid, 1,2-hexanediol, hippophae rhamnoides extract, ascorbyl glucoside, dipropylene glycol, hydroxyacetophenone, glutathione, butylene glycol, caprylyl glycol, carbomer, arginine, tocopherol, glycereth-26, disodium edta, betaine, phellodendron amurense bark extract, astragalus membranaceus root extract, scutellaria baicalensis root extract, coptis chinensis root extract, alpha-bisabolol, dipotassium glycyrrhizate, sodium hyaluronate, ethylhexylglycerin, hexapeptide-9, palmitoyl pentapeptide-4, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, acetyl hexapeptide-8, nonapeptide-1.

No. of common ingredients = 0

Total Number of ingredients = 44

Total Number of ingredients = 34

Water, dipropylene glycol, glycerin, pentylene glycol, 1,2-hexanediol, niacinamide, ammonium acryloyldimethyltaurate/vp copolymer, polyacrylate crosspolymer-6, butylene glycol, xanthan gum, ethylhexylglycerin, adenosine, polyquaternium-51, disodium edta, citric acid, caprylyl glycol, betaine, t-butyl alcohol, sodium pca, sodium lactate, acetyl hexapeptide-8, copper tripeptide-1, pca, sh-polypeptide-121, serine, alanine, allantoin, sodium hyaluronate, acetyl glucosamine, glycine, glutamic acid, lysine hcl, threonine, dipeptide diaminobutyroyl benzylamide diacetate, arginine, tocopherol, oligopeptide-68, proline, dextran, palmitoyl tripeptide-8, glycine soja (soybean) oil, hydrogenated lecithin, potassium sorbate, sodium oleate

Aqua (water), niacinamide (100,000ppm), methylpropanediol, glycerin, panthenol, tranexamic acid, 1,2-hexanediol, hippophae rhamnoides extract, ascorbyl glucoside, dipropylene glycol, hydroxyacetophenone, glutathione, butylene glycol, caprylyl glycol, carbomer, arginine, tocopherol, glycereth-26, disodium edta, betaine, phellodendron amurense bark extract, astragalus membranaceus root extract, scutellaria baicalensis root extract, coptis chinensis root extract, alpha-bisabolol, dipotassium glycyrrhizate, sodium hyaluronate, ethylhexylglycerin, hexapeptide-9, palmitoyl pentapeptide-4, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, acetyl hexapeptide-8, nonapeptide-1.

Notable ingredients

The 6 Peptide Skin Booster Serum

B-Boost 10% Niacinamide Serum

Anti-acne: Niacinamide

Soothing: Niacinamide, Allantoin

Skin brightening: Niacinamide, Acetyl glucosamine

Anti-acne: Niacinamide (100,000ppm)

Soothing: Niacinamide (100,000ppm), Panthenol, Scutellaria baicalensis root extract, Alpha-bisabolol

Skin brightening: Niacinamide (100,000ppm), Tranexamic acid

Load all

Ingredients with their functions

The 6 Peptide Skin Booster Serum

B-Boost 10% Niacinamide Serum

Water

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Dipropylene glycol

Function: Viscosity controlling, Solvent

We don’t have a detailed description of this ingredient yet.

Glycerin

Also-called: Glycerol | Function: Skin-identical ingredient, Viscosity controlling, Skin protecting, Skin conditioning, Humectant/Moisturizer, Solvent

We don’t have a detailed description of this ingredient yet.

Aqua (water)

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Niacinamide (100,000ppm)

Also-called: Nicotinamide, Vitamin B3 | Function: Anti-acne, Soothing, Skin brightening, Cell-signaling ingredient

Niacinamide, also known as vitamin B3, is a potent skincare ingredient renowned for its wide-ranging benefits.

It helps to strengthen the skin's barrier function, improve skin texture, and reduce the appearance of fine lines and wrinkles. It's also effective in managing acne and reducing redness and inflammation.

Furthermore, it inhibits melanin production, thereby assisting in fading hyperpigmentation and evening out skin tone. Safe for almost all skin types, niacinamide is a versatile ingredient found in various skincare products.

Methylpropanediol

Function: Solvent

We don’t have a detailed description of this ingredient yet.