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

Keys Soulcare PROMISE SERUM WITH NIACINAMIDE.
regimen-lab-level-serum.

Product category and function

Promise Serum With Niacinamide
Level Serum
Serums/Treatments Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.
Concentrated formulas for hydrating and addressing skin issues.
---- ----

Ingredient highlights

Promise Serum With Niacinamide
Level Serum
Ingredient info Ingredient info

Alcohol-free

Paraben-free

SLS-free

Mica-free

Fragrance-free

vegan

cruelty-free

Alcohol-free

Paraben-free

SLS-free

Mica-free

Fragrance-free

vegan

cruelty-free

Full ingredient list

Promise Serum With Niacinamide
Level Serum
No. of common ingredients = 0
Total Number of ingredients = 21 Total Number of ingredients = 23
Water (aqua), niacinamide, glycerin, propylene glycol, erythritol, zinc pca, ppg-10 methyl glucose ether, tremella fuciformis sporocarp extract, 3-o-ethyl ascorbic acid, camellia sinensis leaf powder, tocopheryl acetate, peg-32, peg-180, xanthan gum, coceth-7, ppg-1-peg-9 lauryl glycol ether, peg-40 hydrogenated castor oil, disodium edta, phenoxyethanol, ethylhexylglycerin, caprylyl glycol Aqua, propanediol, niacinamide, betaine, dimethyl isosorbide, tranexamic acid, acetyl glucosamine, alpha arbutin, undecylenoyl phenylalanine, glycyrrhiza glabra (licorice) root extract, dipotassium glycyrrhizinate, tetrahydrodiferuloylmethane, hexylresorcinol, dimethylmethoxy chromanol, xanthan gum, lecithin, sclerotium gum, pullulan, disodium edta, sodium hydroxide, caprylyl glycol, phenoxyethanol, ethylhexylglycerin

Notable ingredients

Promise Serum With Niacinamide
Level Serum

Ingredients with their functions

Promise Serum With Niacinamide
Level Serum

1

Water (aqua)

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.

2

Niacinamide

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.

3

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.

1

Aqua

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.

2

Propanediol

Also-called: Zemea | Function: Viscosity controlling, Solvent

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

3

Niacinamide

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.

Price range

Promise Serum With Niacinamide
Level Serum
$20 to $50
$20 to $50

Where to buy

Promise Serum With Niacinamide
Level Serum

Near dupes

Promise Serum With Niacinamide
Level Serum

Beautymasterlist footer icon

© 2026 Beauty Master List, All Rights Reserved.