Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer Review

Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer
1.7
/ 10
Moisturizing
2.8 Humectancy icon Humectancy
0.6 Occlusivity icon Occlusivity
2.5Anti-wrinkle icon/ 10
Anti-wrinkle
30
SPF icon
SPF
Review

Does Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer Work?

 
According to CreamScan AI's analysis of the ingredient list, here’s what Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer has to offer:
 
✅ A bit of moisturizing. It has a moisturizing rating of 1.7 out of 10.
✅ Modest anti-wrinkle efficacy: Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer has an anti-wrinkle rating of 2.5 out of 10 so you may expect some, although limited, effect on wrinkles.
✅ Moderate to high sun protection for daily outdoor activities.

  

Key Benefits of Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer

 
These are the key benefits you can expect from using Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer:
 

🔵 Slight Moisturizing When Used Alone

According to CreamScan analysis, Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer is slightly moisturizing, with a moisturizing rating of 1.7 out of 10.

Is it more humectant or occlusive? This product has relatively comparable levels of Humectancy and Occlusivity: a low Humectancy of 2.8 out of 10 and a low Occlusivity of 0.6 out of 10.

This type of product provides relatively light moisturizing on its own but can contribute to overall moisturizing efficacy when used as part of a skincare routine, alongside another moisturizer.

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

🟣 Modest Anti-Wrinkle Efficacy

According to CreamScan analysis, Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer has a modest level of anti-wrinkle efficacy, rated 2.5 out of 10.

It contains one ingredient with proven anti-wrinkle efficacy: Retinol (est. ≈0.1%),
 the most effective non-prescription anti-wrinkle ingredient. Numerous clinical studies have shown its positive effects at concentrations as low as 0.1%. A study with 36 participants (Kafi et al.) confirmed that a lotion containing 0.4% retinol reduced wrinkle severity by 21% after 24 weeks of use, compared to the same formulation without retinol (vehicle).
 
Among others, Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer also contains some ingredients marketed often as effective in reducing wrinkles, specifically Acetyl Glucosamine, Palmitoyl Tripeptide-1, and Palmitoyl Tetrapeptide-7. However, the studies supporting the anti-wrinkle claims of these ingredients provide insufficient evidence of efficacy according to CreamScan Research Evaluation Standards.
 
While this does not categorically rule out the possibility that these ingredients may reduce wrinkles, their efficacy is not supported by convincing, vehicle-controlled, double-blind clinical studies - at least none that were available to the CreamScan team at the time of publication.
 
Therefore, these ingredients do not contribute to the anti-wrinkle rating.
 
📌 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 additional anti-wrinkle effects through its moisturizing action.
 

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

☀️☀️ Moderate to High Sun Protection for Daily Outdoor Activities

With an SPF of 30, Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer provides moderate to high sun protection, making it suitable for daily use during moderate sun exposure, such as commuting or light outdoor activities.

This level of SPF offers excellent defense against UVB rays, blocking up to 97% of harmful radiation. When labeled as broad-spectrum, these products also protect against UVA rays, which are responsible for skin aging and hyperpigmentation.

📌 For optimal protection, choose products labeled broad-spectrum to ensure defense against both UVA rays, which contribute to skin aging and pigmentation, and UVB rays that cause sunburn.

This level of SPF works well for skin types mildly prone to sunburn. It is particularly suitable for low-to-moderate UV index environments and non-tropical climates. However, it is not recommended for prolonged outdoor exposure or intense UV conditions. Reapplication every two hours is essential to maintain effectiveness.

📌 Please note that this is not a complete list of benefits. We are in the process of enhancing our AI model to incorporate anti-pigmentation, exfoliation and anti-acne ratings.

Things to Be Aware Of: Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer

 
CreamScan AI identified a few things to consider before adding Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer to your skincare routine:
 

⚠️ May Increase Skin Photosensitivity Due to Retinol

This product contains retinol, which offers powerful anti-wrinkle benefits. The mechanism behind retinol’s action is boosting cell turnover. This process exposes new, more delicate skin, making it more vulnerable to sun damage.

As a result, using products with retinol may increase the skin's sensitivity, making it more prone to sunburn or irritation when exposed to UV rays.

To protect the skin, dermatologists recommend applying a broad-spectrum sunscreen with at least SPF 30 throughout the duration of retinol treatment, along with avoiding direct sun exposure. Retinol should be used at night, as it is sensitive to sunlight and can lose its potency when exposed to UV rays.

📌 Please always check the manufacturer's instructions for using the retinol-containing products, either on their website or product label.

⚠️ As a Standalone Moisturizer, It Has Relatively Low Moisturizing Potential

If you use Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer for moisturizing purposes, please keep in mind that it provides relatively light moisturizing on its own, and, more importantly, it’s not optimal for any skin type.

On one hand, it has low occlusivity, which suits oily and combination skin. On the other hand, it has a low estimated concentration of humectants, which are essential for effective moisturizing of all skin types, including oily skin.

Therefore, if used as a standalone moisturizer, this product should be paired with a humectant-rich moisturizer for optimal skin hydration.

Pros & Cons of Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer

 
Here’s an overview of the pros and cons of Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer to help you decide if it’s the right choice for your skincare routine:
 

🟩 Pros:

Provides relatively light moisturizing on its own but can contribute to the moisturizing efficacy of any skincare routine
Offers modest anti-wrinkle efficacy
Provides moderate to high sun protection, suitable for light outdoor activities in non-tropical climates
 

⭕ Cons: 

⚠️ May increase skin photosensitivity due to retinol
⚠️ Minimal moisturizing efficacy, even for oily skin - something to keep in mind if this is the only moisturizer in your routine
   

Summary: Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer

 
Based on the ingredient list analysis, CreamScan AI suggests that Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer
, as a moisturizer, provides relatively light hydration on its own but can enhance the moisturizing efficacy of any skincare routine.
 
Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer contains ingredients with proven evidence of anti-wrinkle efficacy that may provide a modest anti-wrinkle effect. As a result, you can expect a positive, though not very significant, impact on wrinkles.
 
With an SPF of 30, Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer offers moderate to high sun protection, appropriate for light outdoor activities in non-tropical climates.
 
That said, there are some things about Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer worth noting.
 
If you use Exuviance AGE REVERSE Day Repair SPF 30 + Retinol Antiaging Face Moisturizer as your primary moisturizer, please keep in mind that it provides only light hydration, which isn’t actually ideal for any skin type. While its low occlusivity may work for oily and combination skin, it lacks sufficient humectants, which are vital for effective hydration of any skin type. Therefore, for optimal moisturizing results, it should be paired with a humectant-rich moisturizer.
 
This product contains retinol, the most powerful and well-researched non-prescription anti-wrinkle ingredient. However, retinol can make your skin more prone to sun damage and increase sensitivity, so it’s recommended to use a broad-spectrum sunscreen with at least SPF 30 throughout the duration of retinol treatment.
 
📌 Fact check. At CreamScan, we are committed to accuracy and fairness. If you spot any errors or something that doesn’t seem right, please click here to let us know. We regularly update the ingredient lists and monitor the latest research on ingredient efficacy to ensure that our information remains as complete and precise as possible. The information provided here is for informational purposes only and does not substitute professional advice. We do not guarantee the efficacy or safety of any product, as individual results may vary.

 

Ingredients

Est. % Ingredient Origin Functions
60
7.5
5
4
3
2.5
2
1.5
1.3
1
0.3
0.3
0.3
0.3
0.3
0.1
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
0.3
0.3
0.3
0.3
0.3
0.3
Est. %
Water
Function:
Origin:
Octinoxate
Function:
Origin:
Octisalate
Function:
Origin:
Acetyl Glucosamine
Function:
Origin:
Avobenzone
Function:
Origin:
Butyloctyl Salicylate
Function:
Origin:
Cyclopentasiloxane
Function:
Origin:
Glyceryl Stearate
Function:
Origin:
Butylene Glycol
Function:
Origin:
Butyrospermum Parkii (Shea) Butter
Function:
Origin:
PEG-100 Stearate
Function:
Origin:
Dimethicone
Function:
Origin:
Cetyl Alcohol
Function:
Origin:
Nylon-12
Function:
Origin:
Triacontanyl PVP
Function:
Origin:
Retinol
Function:
Origin:
Citric Acid
Function:
Origin:
Palmitoyl Tripeptide-1
Function:
Origin:
Palmitoyl Tetrapeptide-7
Function:
Origin:
Coffea Arabica (Coffee) Fruit Extract
Function:
Origin:
Tocopheryl Acetate
Function:
Origin:
Rosa Damascena Flower Oil
Function:
Origin:
Punica Granatum Extract
Function:
Origin:
Arginine
Function:
Origin:
Glycerin
Function:
Origin:
Propylene Glycol
Function:
Origin:
Cyclohexasiloxane
Function:
Origin:
Caprylyl Glycol
Function:
Origin:
Dimethiconol
Function:
Origin:
Disodium EDTA
Function:
Origin:
BHT
Function:
Origin:
Xanthan Gum
Function:
Origin:
PEG-75 Stearate
Function:
Origin:
Ceteth-20
Function:
Origin:
Steareth-20
Function:
Origin:
Polysorbate 20
Function:
Origin:
Triethyl Citrate
Function:
Origin:
Ammonium Acryloyldimethyltaurate/VP Copolymer
Function:
Origin:
Methyldihydrojasmonate
Function:
Origin:
Carbomer
Function:
Origin:
Ethylene Brassylate
Function:
Origin:
Phenoxyethanol
Function:
Origin:
Chlorphenesin
Function:
Origin:
Yellow 5 (CI 19140)
Function:
Origin:
Red 33 (CI 17200)
Function:
Origin:

Ratings

All humectants
2.8
1.3
0.3
0.3
0.3
0.3
0.3
Benchmark
10
All occlusives
1.3
1.0
0.3
Benchmark
20
Moisturizing rating
1.7
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 2.8 10
2.8
1.3
0.3
0.3
0.3
0.3
0.3
Occlusivity All occlusives 1.3 20
0.6
1.0
0.3
Moisturizing rating
1.7
Ingredient Est. % Benchmark Humectancy
1.3
0.3
0.3
0.3
0.3
0.3
All humectants 2.8 10
2.8
All humectants
2.8
1.3
0.3
0.3
0.3
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
1
0.3
All occlusives 1.3 20
0.6
All occlusives
1.3
1.0
0.3
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
10 /10 0.4 0.1 2.5
n/a
- 4 -
n/a
- 0.3 -
n/a
- 0.3 -
Total
2.5
Retinol
2.5
Ingredient anti-wrinkle power
10 /10
when present at, %
0.4
in this formula, est. %
0.1
Acetyl Glucosamine
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
4
Palmitoyl Tripeptide-1
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Palmitoyl Tetrapeptide-7
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Anti-wrinkle rating
2.5
Ingredient Est. % Benchmark
Rich in Antioxidants
0.3
0.3
0.3
0.3
0.3
All antioxidants 1.5 3 No
All antioxidants
1.5
Coffea Arabica (Coffee) Fruit Extract
0.3
Tocopheryl Acetate
0.3
Rosa Damascena Flower Oil
0.3
Punica Granatum Extract
0.3
BHT
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
None
All soothing 0 5 No
All soothing
0
None
Benchmark
5

Ingredients explained

Water
Est. %60
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.
Octinoxate
Est. %7.5
Function
Origin
OctinoxateA chemical sunscreen also known as ethylhexyl methoxycinnamate. It protects against UVB, which causes the skin to burn and tan and can lead to certain types of skin cancers. For broad-spectrum protection claims, octinoxate should be paired with a UVA sunscreen.
Octisalate
Est. %5
Function
Origin
OctisalateA UVB sunscreen also known as ethylhexyl salicylate. It is normally paired with UVA sunscreens to provide broad-spectrum protection. Octisalate also protects other ingredients, like colorants and antioxidants, from deterioration due to exposure to UV light.
Acetyl Glucosamine
Est. %4
Function
Origin
Acetyl GlucosamineA body-natural amino-saccharide used in skincare as an anti-pigment ingredient. Some other benefits of acetyl glucosamine include decreased skin flakiness, improved wound healing, and even a slight reduction in facial wrinkles.
Avobenzone
Est. %3
Function
Origin
AvobenzoneA popular sunscreen that protects against UVA rays, which cause premature aging and skin cancer. Avobenzone degrades after about 30 minutes of sun exposure and becomes ineffective. It is therefore often paired with UV-filter stabilizers such as octocrylene.
Butyloctyl Salicylate
Est. %2.5
Function
Origin
Butyloctyl SalicylateA synthetic emollient and solvent. It is primarily used as a carrier oil to disperse minerals in, including pigments and sunscreen minerals. It can also absorb UV light, thus boosting the SPF of sunscreen products.
Cyclopentasiloxane
Est. %2
Function
Origin
CyclopentasiloxaneA lightweight, fast-spreading emollient that leaves a very soft and silky after-feel on the skin. Supplied as a clear and colorless liquid, cyclopentasiloxane is often used as a solvent to dissolve other silicones in.
Glyceryl Stearate
Est. %1.5
Function
Origin
Glyceryl StearateAn emollient and emulsifier typically derived from vegetable sources through a chemical reaction with glycerin. It provides stability, texture, and consistency to formulations. Its main function is to allow oil and water to mix.
Butylene Glycol
Est. %1.3
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.

Butyrospermum Parkii (Shea) Butter
Est. %1
Function
Origin
Butyrospermum Parkii (Shea) ButterA semi-solid, buttery fat extracted from the seeds of the Shea tree that is a wonderful occlusive and emollient ingredient mainly comprised of fatty acids. Shea butter contains a large amount of anti-inflammatory and antioxidant compounds.
PEG-100 Stearate
Est. %0.3
Function
Origin
PEG-100 StearateThis surfactant is more specifically classified as an emulsifier that produces oil-in-water emulsions. PEG-100 stearate can also be used as a cleansing agent.
Dimethicone
Est. %0.3
Function
Origin
DimethiconeThe most common silicone in skincare. It forms a silky, smooth film on the skin’s surface and can help to prevent water loss. It also aids in wound healing and can treat and soften scars. Dimethicone is considered to be very safe for use.
Cetyl Alcohol
Est. %0.3
Function
Origin
Cetyl AlcoholA waxy solid fatty alcohol derived from palm oil. It is most commonly used as a co-emulsifier and affects the final aesthetic of the product, leaving a soft and silky feeling on the skin. Cetyl alcohol is also used as a viscosity controlling agent.
Nylon-12
Est. %0.3
Function
Origin
Nylon-12A synthetic powdered ingredient that imparts unique sensorial characteristics due to its microsphere structure. It can also control viscosity by bulking up the oil phase of a skincare product.
Triacontanyl PVP
Est. %0.3
Function
Origin
Triacontanyl PVP
Retinol
Est. %0.1
Function
Origin
Retinol

One of the most famous and well-researched anti-aging ingredients with a maximum anti-wrinkle power of 10 out of 10. It is proven to decrease wrinkles and help the skin regain its thickness, firmness, and texture. Retinol is also effective in treating pigmentation issues such as dark spots and acne.

Citric Acid
Est. %0.3
Function
Origin
Citric AcidA gently exfoliating AHA that helps to remove the top layer of dead skin cells. In comparison to other AHAs, citric acid has been shown to be one of the least effective. It is also very commonly used as a stabilizing and pH-controlling agent.
Palmitoyl Tripeptide-1
Est. %0.3
Function
Origin
Palmitoyl Tripeptide-1

A small peptide consisting of three amino acids with anti-wrinkle effects. Together with Palmitoyl Tetrapeptide-7, it is a part of the popular anti-wrinkle complex called Matrixyl™ 3000.

Palmitoyl Tetrapeptide-7
Est. %0.3
Function
Origin
Palmitoyl Tetrapeptide-7

A synthetic peptide that mimics the activity of immunoglobulin G and signals to the skin to stop the inflammation. It has been shown in studies to reduce wrinkles and enhance collagen content.

Coffea Arabica (Coffee) Fruit Extract
Est. %0.3
Function
Origin
Coffea Arabica (Coffee) Fruit Extract
Tocopheryl Acetate
Est. %0.3
Function
Origin
Tocopheryl Acetate

An antioxidant derivative of tocopherol (vitamin E). It helps to protect cells from free radicals and UV damage through the conversion to active vitamin E in the skin. It is more stable than tocopherol.

Rosa Damascena Flower Oil
Est. %0.3
Function
Origin
Rosa Damascena Flower OilAlso known as Damask rose oil, it is one of the most precious and expensive essential oils in the world obtained from the petals of the Damask rose. It is used in skincare as a luxurious fragrance.
Punica Granatum Extract
Est. %0.3
Function
Origin
Punica Granatum ExtractAn extract made from pomegranate fruit. The fleshy and juicy part of the fruit mainly contains antioxidant red pigments and polyphenols. The rinds contain large amounts of tannins, which are astringent and leave the skin feeling tightened and refreshed.
Arginine
Est. %0.3
Function
Origin
ArginineA humectant amino acid used to attract water to the skin’s surface. It is a part of the skin's Natural Moisturizing Factor, a mixture of various compounds that keeps the skin’s surface well hydrated. Arginine can also be used as a pH adjuster.
Glycerin
Est. %0.3
Function
Origin
Glycerin

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

Propylene Glycol
Est. %0.3
Function
Origin
Propylene GlycolA clear, thick, odorless liquid of synthetic origin. Its main function is to stabilize cosmetic products exposed to varying temperatures. It is also a moderately strong humectant with similar properties to glycerin.
Cyclohexasiloxane
Est. %0.3
Function
Origin
CyclohexasiloxaneA clear silicone fluid with very low viscosity that is commonly used as a solvent and emollient. It has excellent spreadability, rubs in quickly, and leaves a silky smooth after-feel on the skin.
Caprylyl Glycol
Est. %0.3
Function
Origin
Caprylyl GlycolAn emollient that improves product spreadability and offers a silky feel on the skin. It also acts as a preservative booster that improves the efficacy of other preservatives. According to the manufacturer, it is also a humectant moisturizer.
Dimethiconol
Est. %0.3
Function
Origin
DimethiconolA synthetic dimethicone with rich, non-tacky emolliency. It features the typical sensorial profile of silicones, with high spreadability and a luxurious, oil-free after-feel. Dimethiconol can also serve as an antifoaming agent.
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.
BHT
Est. %0.3
Function
Origin
BHTAn antioxidant ingredient that naturally occurs in green algae and some bacteria or fungi but, for commercial use, is created synthetically. BHT is also used occasionally as a fragrance, where it presents a sweet, camphor-like odor.
Xanthan Gum
Est. %0.3
Function
Origin
Xanthan GumA natural multi-functional ingredient that originates from fermented sugars. Xanthan gum acts as a viscosity-building agent to thicken skincare products. It is also an excellent stabilizer and works well to hold other ingredients together.
PEG-75 Stearate
Est. %0.3
Function
Origin
PEG-75 Stearate
Ceteth-20
Est. %0.3
Function
Origin
Ceteth-20A very mild but effective polyethylene-based cleanser and emulsifier.
Steareth-20
Est. %0.3
Function
Origin
Steareth-20A white to light brown reaction product of a clear gas and stearyl alcohol. Like the other steareth ingredients, steareth-20 is a waxy emulsifier that can help to form a stable emulsion, even in extreme conditions.
Polysorbate 20
Est. %0.3
Function
Origin
Polysorbate 20A viscous, amber-colored liquid that functions as a solubilizer to disperse small amounts of oil into a large water phase. Polysorbate 20 is frequently used to solubilize fragrance oils into water-based emulsions.
Triethyl Citrate
Est. %0.3
Function
Origin
Triethyl Citrate
Ammonium Acryloyldimethyltaurate/VP Copolymer
Est. %0.3
Function
Origin
Ammonium Acryloyldimethyltaurate/VP CopolymerA polymeric ingredient that creates lightweight and refreshing gel textures. It also works as a viscosity controlling agent.
Methyldihydrojasmonate
Est. %0.3
Function
Origin
Methyldihydrojasmonate
Carbomer
Est. %0.3
Function
Origin
CarbomerA synthetic ingredient with the ability to gel water. When used in emulsions, such as lotions and creams, carbomer can also act as an emulsion stabilizer.
Ethylene Brassylate
Est. %0.3
Function
Origin
Ethylene BrassylateA synthetic fragrance ingredient known for its musky scent. Like most fragrance ingredients, it can be irritating.
Phenoxyethanol
Est. %0.3
Function
Origin
PhenoxyethanolThe most frequently used preservative in skincare. It is a clear, oil-like liquid synthetic substance that protects products from harmful bacteria and yeast, whilst still leaving skin microflora unharmed. It is confirmed by research to be harmless.
Chlorphenesin
Est. %0.3
Function
Origin
ChlorphenesinA preservative and broad-spectrum antimicrobial agent that protects products from a wide range of bacteria and fungi.
Yellow 5 (CI 19140)
Est. %0.3
Function
Origin
Yellow 5 (CI 19140)A bright yellow colorant that is often also listed as FD&C Yellow 5.
Red 33 (CI 17200)
Est. %0.3
Function
Origin
Red 33 (CI 17200)Also known as D&C Red 33 or Acid Red 33, this ingredient is a synthetic azo used to color skincare products. It produces a cool red hue, with undertones of blue that lead to a hint of purple.