Murad Rapid Dark Spot Correcting Serum

Murad Rapid Dark Spot Correcting Serum
4.3
/ 10
Moisturizing
8.6 Humectancy icon Humectancy
0.0 Occlusivity icon Occlusivity
1.2Anti-wrinkle icon/ 10
Anti-wrinkle

Review

Does Murad Rapid Dark Spot Correcting Serum work?

Based on the ingredient list analysis by CreamScan AI, these are the key benefits you can expect from using Murad Rapid Dark Spot Correcting Serum:

  • Moderate moisturizing. It has a moisturizing rating of 4.3 out of 10.
  • Little anti-wrinkle effect: Murad Rapid Dark Spot Correcting Serum has an anti-wrinkle rating of 1.2 out of 10, so you may expect a positive, although insignificant, effect on wrinkles.

Lightweight moisturizer ideal for oily skin and a humectant boost for any skincare routine

According to CreamScan analysis, Murad Rapid Dark Spot Correcting Serum is quite moisturizing, with a moisturizing rating of 4.3 out of 10.

Is it more humectant or occlusive? Purely humectant. It has zero occlusivity (we didn't find any occlusive ingredients on the ingredient list) and a very high humectancy of 8.6 out of 10, primarily due to the high content of Butylene Glycol (est. ≈3.0%) and Glycerin (est. ≈2.0%).

This humectant-rich product, when used alone as a moisturizer, is ideal for oily skin, providing significant hydration in a lightweight, fast-absorbing formula without any occlusive ingredients.

Tip: Certain studies suggest that humectants alone may not effectively moisturize the skin. If you use this product as your only moisturizer, we recommend following it with one that contains at least some occlusive ingredients.

But it’s not limited to oily skin - such a humectant boost will also positively contribute to the moisturizing efficacy of any skincare routine when used as a step before applying the main moisturizer. This type of formulation is typically used in serums, where a light, fast-absorbing texture is key.

Please refer to the Ratings section below for details of the moisturizing rating calculation.

Little anti-wrinkle efficacy

According to CreamScan analysis, Murad Rapid Dark Spot Correcting Serum has a minimal anti-wrinkle rating of 1.2 out of 10.

It contains one ingredient with proven anti-wrinkle efficacy: Glycolic Acid (est. ≈4.0%), 
 a highly effective ingredient in peelings but with moderate anti-wrinkle efficacy in leave-on skincare products, as supported by a single clinical study. This study, involving 72 participants (Thibault et al.), demonstrated that a lotion with 5% GA reduced the fine wrinkling score by 6% after 34 days of use, compared to a vehicle (the same formulation without GA).
 
Moisturizers, when used regularly, are proven to prevent wrinkle formation and even reduce existing wrinkles. Therefore, this product, like any other moisturizer, can deliver some anti-wrinkle effects through its moisturizing action.
 

Please refer to the Ratings section below for details of the anti-wrinkle rating calculation.

Ingredients

Est. % Ingredient Origin Functions
75
6
4
3
2
1.5
1.3
1
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Est. %
Water
Function:
Origin:
Alcohol Denat.
Function:
Origin:
Glycolic Acid
Function:
Origin:
Butylene Glycol
Function:
Origin:
Glycerin
Function:
Origin:
Methyl Gluceth-20
Function:
Origin:
Tranexamic Acid
Function:
Origin:
2-Methylresorcinol
Function:
Origin:
Hexapeptide-2
Function:
Origin:
Rice Amino Acids
Function:
Origin:
Urea
Function:
Origin:
Yeast Amino Acids
Function:
Origin:
Trehalose
Function:
Origin:
Inositol
Function:
Origin:
Taurine
Function:
Origin:
Betaine
Function:
Origin:
Zinc Gluconate
Function:
Origin:
Dipotassium Glycyrrhizate
Function:
Origin:
Allantoin
Function:
Origin:
Hydroxyethylcellulose
Function:
Origin:
Sodium Metabisulfite
Function:
Origin:
Sodium Sulfite
Function:
Origin:
Sodium Hydroxide
Function:
Origin:
PPG-26-Buteth-26
Function:
Origin:
PEG-40 Hydrogenated Castor Oil
Function:
Origin:
Polyquaternium-4
Function:
Origin:
Disodium EDTA
Function:
Origin:
Limonene
Function:
Origin:
Benzyl Salicylate
Function:
Origin:
Linalool
Function:
Origin:
Fragrance
Function:
Origin:

Ratings

All humectants
8.6
3
2
1.5
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Benchmark
10
All occlusives
0.0
None
Benchmark
20
Moisturizing rating
4.3
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 8.6 10
8.6
3
2
1.5
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Occlusivity All occlusives 0.0 20
0.0
None
Moisturizing rating
4.3
Ingredient Est. % Benchmark Humectancy
3
2
1.5
0.3
0.3
0.3
0.3
0.3
0.3
0.3
All humectants 8.6 10
8.6
All humectants
8.6
3
2
1.5
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
None
All occlusives 0.0 20
0.0
All occlusives
0.0
None
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
1.5 /10 5 4 1.2
Total
1.2
Glycolic Acid
1.2
Ingredient anti-wrinkle power
1.5 /10
when present at, %
5
in this formula, est. %
4
Anti-wrinkle rating
1.2
Ingredient Est. % Benchmark
Rich in Antioxidants
0.3
0.3
All antioxidants 0.6 3 No
All antioxidants
0.6
Sodium Metabisulfite
0.3
Sodium Sulfite
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
0.3
0.3
0.3
All soothing 0.9 5 No
All soothing
0.9
0.3
0.3
0.3
Benchmark
5

Ingredients explained

Water
Est. %75
Function
Origin
WaterThe most used ingredient in skincare. Its concentration defines the product texture: rich creams may have about 50% of water while a light jelly about 90%. Water doesn’t moisturize the skin by itself and is used in skincare as a solvent for other ingredients.
Alcohol Denat.
Est. %6
Function
Origin
Alcohol Denat.

Denatured alcohol is ethanol that contains additives that make it unsafe to consume. It is mainly used as a solvent and an antimicrobial agent. A major drawback to alcohol denat. is that it dries out the skin.

Glycolic Acid
Est. %4
Function
Origin
Glycolic Acid

The second most used AHA (after lactic acid) known for its potent exfoliating and smoothing effects. It increases skin cell turnover, which is beneficial for treating acne. When used in peels, glycolic acid has confirmed anti-wrinkle efficacy, though it is less effective in leave-on products like creams and serums.

Butylene Glycol
Est. %3
Function
Origin
Butylene Glycol

A clear, colorless liquid humectant that draws moisture to the skin. The humectancy of butylene glycol, owed to its two hydroxyl groups, is quite considerable, although not as powerful as glycerin, which contains three hydroxyl groups.

Glycerin
Est. %2
Function
Origin
Glycerin

The most popular moisturizing ingredient in the world. It is a powerful humectant – cheap yet very effective.

Methyl Gluceth-20
Est. %1.5
Function
Origin
Methyl Gluceth-20A humectant synthetically derived from glucose. It takes on the form of a clear, syrupy liquid.
Tranexamic Acid
Est. %1.3
Function
Origin
Tranexamic AcidA synthetic amino acid that is used as an astringent to stop the bleeding from small cuts. It also has proven anti-pigment and redness-reducing effects.
2-Methylresorcinol
Est. %1
Function
Origin
2-Methylresorcinol
Hexapeptide-2
Est. %0.3
Function
Origin
Hexapeptide-2
Rice Amino Acids
Est. %0.3
Function
Origin
Rice Amino Acids
Urea
Est. %0.3
Function
Origin
UreaUrea can be found in urine, skin, and other tissues as a degradation product of proteins. In concentrations below 5%, urea is humectant moisturizing. At concentrations above 10% it is keratolytic, that helps to break away old, flaking, and cracked skin.
Yeast Amino Acids
Est. %0.3
Function
Origin
Yeast Amino AcidsYeast amino acids are both essential and non-essential amino acids derived from yeast proteins. Some of the amino acids found in yeast are histidine, lysine, and cysteine. This ingredient is a humectant that moisturizes skin by attracting water.
Trehalose
Est. %0.3
Function
Origin
TrehaloseA sweet-tasting saccharide that can be found in various yeasts and fungi and that is manufactured from starch for cosmetic purposes. It is one of the most popular sugars in skincare and is mainly used for its humectant properties.
Inositol
Est. %0.3
Function
Origin
InositolA humectant moisturizing, sugar-like compound that is present in all the cells of the body, but especially the brain. It is manufactured from sugar beets or carob tree pods for skincare purposes.
Taurine
Est. %0.3
Function
Origin
Taurine
Betaine
Est. %0.3
Function
Origin
BetaineAn ingredient derived from the sucrose in sugar beets. It has a negative chemical charge and a positive chemical charge on the same molecule. This allows betaine to be hygroscopic or humectant and thus provide moisturization by drawing water to the skin.
Zinc Gluconate
Est. %0.3
Function
Origin
Zinc GluconateOne of the most commonly used ingredients in anti-acne products. It is an organic salt of zinc that helps to combat microbial infections, soothes and heals inflamed pimples, and regulates hormones in the skin.
Dipotassium Glycyrrhizate
Est. %0.3
Function
Origin
Dipotassium GlycyrrhizateA licorice root derivative with powerful anti-inflammatory and soothing activities. It is often used as a flavoring agent in lip products.
Allantoin
Est. %0.3
Function
Origin
AllantoinA fluffy, white powder that acts as a humectant due to its water-loving chemistry and as an exfoliant that helps to remove dead skin cells. It has also been shown to be very soothing to irritated and inflamed skin.
Hydroxyethylcellulose
Est. %0.3
Function
Origin
HydroxyethylcelluloseA naturally-derived thickener that can form clear gel textures without the slimy feeling, unlike some other natural gel-formers.
Sodium Metabisulfite
Est. %0.3
Function
Origin
Sodium MetabisulfiteA preservative that is especially effective at preventing fungus and mold growth. It is normally combined with a strong bactericidal preservative in order to achieve broad-spectrum protection. Sodium metabisulfite is also used as an antioxidant.
Sodium Sulfite
Est. %0.3
Function
Origin
Sodium SulfiteAn inorganic salt that defends against oxidation.
Sodium Hydroxide
Est. %0.3
Function
Origin
Sodium Hydroxide

An ingredient that is able to bring the pH of a product up, thereby making it less harsh on the skin.

PPG-26-Buteth-26
Est. %0.3
Function
Origin
PPG-26-Buteth-26A water-loving surfactant, which means it can act as an emulsifier, solubilizer, and cleansing agent. As an emulsifier, it helps to create oil-in-water emulsions.
PEG-40 Hydrogenated Castor Oil
Est. %0.3
Function
Origin
PEG-40 Hydrogenated Castor OilA castor oil-derived ingredient often used to incorporate small amounts of oil (such as a fragrance) into a water-based product. PEG-4 HCO is a gold-standard solubilizer and can be used in low amounts due to its ability to solubilize things so well.
Polyquaternium-4
Est. %0.3
Function
Origin
Polyquaternium-4
Disodium EDTA
Est. %0.3
Function
Origin
Disodium EDTAA synthetic chelator that helps to maintain the look and smell of a product by 'locking up' troublesome metal ions.
Limonene
Est. %0.3
Function
Origin
Limonene

One of the most used fragrances in skincare products. It is produced from the peels of citrus fruits and has a fresh, pleasant, citrusy smell. People who are sensitive to citrus should try to avoid it, or at least do a patch test before using it.

Benzyl Salicylate
Est. %0.3
Function
Origin
Benzyl Salicylate

A fragrance ingredient with a sweet, floral, and slightly balsamic scent. It is one of the twenty-six fragrances that are considered allergens according to the International Fragrance Association (IFRA), and so its use is restricted.

Linalool
Est. %0.3
Function
Origin
LinaloolA fragrant, volatile compound naturally present in many essential oils. It has a pleasant scent and is often used in skincare products as a fragrance. People with sensitive skin should try to avoid it, or at least do a patch test before using it.
Fragrance
Est. %0.3
Function
Origin
FragranceUnder trade secret law, manufacturers have the right not to disclose what exactly went into the fragrance and use the unspecific word Fragrance or Parfum instead. Many fragrances are highly allergenic.