Guinot Longue Vie Cou Firming Vital Neck Care

Guinot Longue Vie Cou Firming Vital Neck Care
5.1
/ 10
Moisturizing
10.0 Humectancy icon Humectancy
0.2 Occlusivity icon Occlusivity
0.5Anti-wrinkle icon/ 10
Anti-wrinkle
$$$$

Review

Results you may expect from using Guinot Longue Vie Cou Firming Vital Neck Care:

Based on the ingredient analysis by CreamScan, these are the key benefits you can expect from using Guinot Longue Vie Cou Firming Vital Neck Care:

  • Moderate moisturizing. It has a moisturizing rating of 5.1 out of 10.
  • Little anti-wrinkle effect: Guinot Longue Vie Cou Firming Vital Neck Care has an anti-wrinkle rating of 0.5 out of 10, so you may expect a positive, although insignificant, effect on wrinkles.

How moisturizing is it?

Quite moisturizing: Guinot Longue Vie Cou Firming Vital Neck Care has a moisturizing rating of 5.1 out of 10.

Is it more humectant or occlusive? Significantly more humectant. It has a low occlusivity of 0.2 out of 10 and a maximum humectancy of 10 out of 10, primarily due to the high content of Propylene Glycol (est. ≈7.6%), Glycerin (est. ≈5.1%) and Butylene Glycol (est. ≈3.4%).

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

Anti-wrinkle efficacy

According to CreamScan analysis, Guinot Longue Vie Cou Firming Vital Neck Care has a minimal anti-wrinkle rating of 0.5 out of 10.

It contains 2 active ingredients with proven anti-wrinkle efficacy:
    • Niacinamide (est. ≈0.3%),
       one of the most effective and well-researched anti-wrinkle ingredients.
    • Ascorbic Acid (est. ≈0.3%),
       or Vitamin C, a popular anti-wrinkle ingredient, yet with average efficacy confirmed by only one study.
Among others, Guinot Longue Vie Cou Firming Vital Neck Care also contains some ingredients marketed as effective in reducing wrinkles, specifically Ascorbyl Palmitate, Retinyl Acetate, and Folic Acid. However, the studies supporting the anti-wrinkle claims of these ingredients provide insufficient evidence of efficacy according to CreamScan Research Evaluation Standards. 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, could deliver additional anti-wrinkle efficacy through its moisturizing action.
 

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

Ingredients

Est. % Ingredient Origin Functions
50
7.6
5.1
3.4
2.5
2.1
1.7
1.3
1.1
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
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0.3
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0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
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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
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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
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Ratings

All humectants
23.4
7.6
5.1
3.4
2.5
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
Benchmark
10
All occlusives
0.3
0.3
Benchmark
20
Moisturizing rating
5.1
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 23.4 10
10.0
7.6
5.1
3.4
2.5
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
Occlusivity All occlusives 0.3 20
0.2
0.3
Moisturizing rating
5.1
Ingredient Est. % Benchmark Humectancy
7.6
5.1
3.4
2.5
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
All humectants 23.4 10
10
All humectants
23.4
7.6
5.1
3.4
2.5
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
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
0.3
All occlusives 0.3 20
0.2
All occlusives
0.3
0.3
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
6 /10 4 0.3 0.4
2.5 /10 5 0.3 0.1
n/a
- 0.3 -
n/a
- 0.3 -
n/a
- 0.3 -
Total
0.5
Niacinamide
0.4
Ingredient anti-wrinkle power
6 /10
when present at, %
4
in this formula, est. %
0.3
Ascorbic Acid
0.1
Ingredient anti-wrinkle power
2.5 /10
when present at, %
5
in this formula, est. %
0.3
Ascorbyl Palmitate
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Retinyl Acetate
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Folic Acid
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Anti-wrinkle rating
0.5
Ingredient Est. % Benchmark
Rich in Antioxidants
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
All antioxidants 2.7 3 No
All antioxidants
2.7
Niacinamide
0.3
Ascorbic Acid
0.3
BHT
0.3
Ascorbyl Palmitate
0.3
Aesculus Hippocastanum (Horse Chestnut) Extract
0.3
Cysteine
0.3
Glutathione
0.3
Riboflavin
0.3
Tocopheryl Acetate
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
0.3
0.3
All soothing 0.6 5 No
All soothing
0.6
0.3
0.3
Benchmark
5

Ingredients explained

Water
Est. %50
Function
Origin
The 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.
Propylene Glycol
Est. %7.6
Function
Origin
A 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.
Glycerin
Est. %5.1
Function
Origin

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

Butylene Glycol
Est. %3.4
Function
Origin
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.
PEG-8
Est. %2.5
Function
Origin
A synthetic liquid that serves as a humectant. It also works as a solvent because of its ability to dissolve a wide range of ingredients.
Caprylic/Capric/Succinic Triglyceride
Est. %2.1
Function
Origin
Description is coming soon
Behenyl Alcohol
Est. %1.7
Function
Origin
A fatty alcohol with emollient properties. It is used as a co-emulsifier and thickener and tends to result in a product with a smooth and creamy application texture.
Sorbitan Oleate
Est. %1.3
Function
Origin
A vegetable-based ingredient that stabilizes mixtures of oil and water. Sorbitan oleate serves primarily as an emulsifier that produces water-in-oil emulsions.
Aluminum Starch Octenylsuccinate
Est. %1.1
Function
Origin
An absorbent that takes in oils from the skin to reduce the oily sheen. It can also absorb oils from the skincare product itself, resulting in a softer, less greasy product, normally with better spreadability and less tack.
Cyclomethicone
Est. %1
Function
Origin
A blend of emollient silicones that leaves a smooth and non-greasy after-feel. Unlike other types of oils, it does not leave any residue on the skin, which is part of what makes it so popular.
Triethanolamine
Est. %0.3
Function
Origin
A clear, colorless, and highly viscous liquid, this ingredient is an excellent pH adjuster. When it is necessary to neutralize an acidic solution or to generally increase the pH of a product, triethanolamine is a common choice.
Glyceryl Stearate
Est. %0.3
Function
Origin
An 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.
Poloxamer 184
Est. %0.3
Function
Origin
A synthetic surfactant that cleanses and emulsifies.
PEG-100 Stearate
Est. %0.3
Function
Origin
This 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.
Saccharide Isomerate
Est. %0.3
Function
Origin
A naturally-derived humectant that provides moisturization at low levels and is less sticky than other humectants like glycerin.
Dimethicone
Est. %0.3
Function
Origin
The 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.
Carbomer
Est. %0.3
Function
Origin
A 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.
Phenoxyethanol
Est. %0.3
Function
Origin
The 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.
Fragrance
Est. %0.3
Function
Origin
Under 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.
Methylparaben
Est. %0.3
Function
Origin
A preservative that keeps a product unspoiled. There has been a lot of controversy surrounding parabens, although the concentrations found in cosmetic formulations are generally considered to be safe.
Hydrolyzed Wheat Protein
Est. %0.3
Function
Origin
Wheat protein broken down into its individual amino acids. It is commonly used as a film-former and antistatic agent.
Xanthan Gum
Est. %0.3
Function
Origin
A 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.
Sodium Chloride
Est. %0.3
Function
Origin

You’re definitely familiar with sodium chloride, even if you don’t think you are. It’s table salt! Salt works well with some cleansing ingredients (surfactants) to thicken them into gels. It also acts as a stabilizer for water-in-oil emulsions.

Trisodium EDTA
Est. %0.3
Function
Origin
A chelating agent designed to encapsulate potentially harmful heavy metal ions that enter the formula through the water source. Once encapsulated, these heavy metal ions become inert.
Butylparaben
Est. %0.3
Function
Origin
A preservative that belongs to the class of parabens. It is highly effective against the growth of fungi and yeast. There has been a lot of controversy surrounding parabens, but the concentrations in cosmetic formulations are generally considered to be safe
Ethylparaben
Est. %0.3
Function
Origin
A cost-effective preservative that belongs to the group of parabens. There has been a lot of controversy surrounding parabens, although the concentrations found in cosmetic formulations are generally considered to be safe.
Benzyl Salicylate
Est. %0.3
Function
Origin
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.
Propylparaben
Est. %0.3
Function
Origin
A preservative that keeps a product unspoiled. There has been a lot of controversy surrounding parabens, although the concentrations found in cosmetic formulations are generally considered to be safe.
Isobutylparaben
Est. %0.3
Function
Origin
A stable and cost effective preservative widely efficacious against bacteria and molds. It can be used in almost any formula at low levels.
Hydroxycitronellal
Est. %0.3
Function
Origin
A fragrant compound with a scent reminiscent of lilies and sweet tropical melon. It can be found in many different essential oils (such as palmarosa, ylang-ylang, and lemongrass essential oil) but is manufactured synthetically from citronellal.
Linalool
Est. %0.3
Function
Origin
A 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.
Hexyl Cinnamal
Est. %0.3
Function
Origin
A synthetic scent ingredient that produces a jasmine-like fragrance. According to the International Fragrance Association (IFRA), hexyl cinnamal is a skin sensitizer and allergen and so its use in skincare should be limited.
Alpha-Isomethyl Ionone
Est. %0.3
Function
Origin
A fragrance ingredient that is supplied as a pale, yellow liquid. The scent it emits is very clean and features notes of violet and orris. Alpha-isomethyl is also used as a flavoring agent in lip care products and even in some foods and drinks.
Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde
Est. %0.3
Function
Origin
A synthetic fragrance with a scent similar to that of Lily of the Valley. It is on the list of allergens according to the International Fragrance Association (IFRA), which means that its use should be restricted to minimize potential reactions.
Glucose
Est. %0.3
Function
Origin
A simple sugar that is also one of two components of sucrose, or table sugar. It is used as a humectant in skincare products. Glucose is also used to flavor lip care cosmetics because of its mildly sweet taste.
BHT
Est. %0.3
Function
Origin
An 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.
Methylsilanol Mannuronate
Est. %0.3
Function
Origin
Description is coming soon
Coumarin
Est. %0.3
Function
Origin
A plant-based fragrant compound that occurs in sweet-smelling grass, sweet woodruff, and sweet clover. It has a sweet and vanilla-like scent in high concentrations and a similar scent to freshly mowed grass in low concentrations.
Citronellol
Est. %0.3
Function
Origin
A fragrant compound found naturally in many essential oils (mainly lemongrass). It can have a lemon or a rose scent. People with sensitive skin should try to avoid products with citronellol, or at least do a patch test before using it.
Ascorbyl Palmitate
Est. %0.3
Function
Origin
A form of vitamin C derived from ascorbic acid and palmitic acid. It is more stable and less irritating than ascorbic acid. Unfortunately, Ascorbyl Palmitate lacks the studies to prove its anti-wrinkle efficacy.
Benzyl Benzoate
Est. %0.3
Function
Origin
A fragrance ingredient with a fruity and woody scent. It is considered an allergen according to the International Fragrance Association (IFRA), which means that care must be taken when determining usage levels in skincare products.
Geraniol
Est. %0.3
Function
Origin
A fragrant, volatile, plant-based, liquid chemical that can be naturally found in many essential oils (specifically rose, palmarosa, citronella). It has a rose-like scent. It is a potential irritant and may cause an allergic reaction in some people.
Potassium Chloride
Est. %0.3
Function
Origin
A salt of hydrochloric acid that stabilizes emulsions through thickening.
Aesculus Hippocastanum (Horse Chestnut) Extract
Est. %0.3
Function
Origin
An extract obtained from horse chestnut seeds that contains an anti-inflammatory and astringent mixture called Aescin. It also offers soothing benefits and is aimed at irritated skin.
Eugenol
Est. %0.3
Function
Origin
A fragrant liquid that can be found naturally in the essential oils derived from cloves, cinnamon, basil, and bay leaf. It has a spicy and warm scent. People with sensitive skin should consider doing a patch test first, as it is a potential irritant.
Limonene
Est. %0.3
Function
Origin
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.
Glyceryl Oleate
Est. %0.3
Function
Origin
A nonionic surfactant that can be used as an emulsifier, emulsion stabilizer, and thickener in both skin cleansers and leave-on skincare products.
Citric Acid
Est. %0.3
Function
Origin
A 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.
Calcium Chloride
Est. %0.3
Function
Origin
A salt that can stabilize emulsions through thickening. It also serves as an astringent.
Glutamic Acid
Est. %0.3
Function
Origin
A non-essential amino acid that serves as a building block for all proteins in the body. It is a moisturizing humectant and a part of the skin's Natural Moisturizing Factor, a mixture of amino acids in skin cells that keeps them hydrated.
Sodium Methylparaben
Est. %0.3
Function
Origin
Description is coming soon
Sodium Phosphate
Est. %0.3
Function
Origin
A sodium salt of phosphoric acid that increases pH.
Leucine
Est. %0.3
Function
Origin
A humectant moisturizing amino acid that is a part of the skin's Natural Moisturizing Factor. It helps to increase water content on the skin’s surface and is often used in conjunction with anti-pigmentation products.
Glutamine
Est. %0.3
Function
Origin
A humectant moisturizing amino acid that, aside from attracting water to the skin’s surface, can also soothe allergic itching and reduce the signs of inflammation.
Magnesium Sulfate
Est. %0.3
Function
Origin
A naturally occurring mineral that is commonly used in skincare products as a bulking agent. It helps to control the viscosity of products by making them thicker.
Lysine
Est. %0.3
Function
Origin
A humectant moisturizing amino acid that is a part of the skin's Natural Moisturizing Factor. It is slightly alkaline and helps to balance the product's pH. It may have a slightly fishy smell.
Arginine
Est. %0.3
Function
Origin
A 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.
Threonine
Est. %0.3
Function
Origin
An essential amino acid that may play a role in collagen production. However, more research is needed in order to confirm or deny these claims.
Aspartic Acid
Est. %0.3
Function
Origin
A humectant moisturizing amino acid that is a part of the skin's Natural Moisturizing Factor. It helps to retain water on the skin’s surface and is slightly acidic, thereby helping to balance the pH of a skincare product.
Tyrosine
Est. %0.3
Function
Origin
Description is coming soon
Sorbic Acid
Est. %0.3
Function
Origin
An organic acid that can be naturally found in the berries of the Mountain ash, although it is manufactured synthetically for skincare purposes. It is used as a preservative and antimicrobial agent, protecting a skincare product from spoiling.
Valine
Est. %0.3
Function
Origin
An essential amino acid (meaning our body cannot make it on its own and we get it from food instead). Like some other amino acids, Valine is a part of the skin's Natural Moisturizing Factor.
Sodium Acetate
Est. %0.3
Function
Origin
A sodium salt that can increase the basicity of a product.
Phenylalanine
Est. %0.3
Function
Origin
An essential amino acid used in the treatment of vitiligo and other pigmentation issues. It is considered less effective than other anti-pigment ingredients and is often used in combination with them.
Serine
Est. %0.3
Function
Origin
A non-essential amino acid, meaning that our body can produce it. It is the largest constituent of the skin's Natural Moisturizing Factor and is used in skincare as a humectant moisturizing ingredient.
Glycine
Est. %0.3
Function
Origin
A humectant moisturizing amino acid that is a part of skin's Natural Moisturizing Factor. Some recent studies suggest that it may have barrier repair properties.
Alanine
Est. %0.3
Function
Origin
A simple amino acid used in skincare as a humectant moisturizing ingredient. It is a part of the so-called Natural Moisturizing Factor, a complex mixture of free amino acids and other water-soluble compounds found in skin cells.
Isoleucine
Est. %0.3
Function
Origin
A humectant moisturizing, essential amino acid that is a part of the skin's Natural Moisturizing Factor. It helps to increase water content on the skin’s surface and can increase the barrier repair effects of ceramides.
Proline
Est. %0.3
Function
Origin
The best humectant moisturizer of all the amino acids. It is a part of the skin's Natural Moisturizing Factor and increases hydration in the top layers of the skin. It also has antioxidant activity and helps to heal damaged skin.
Methionine
Est. %0.3
Function
Origin
Methionine is a sulfur-containing amino acid that is a part of all the proteins in the body. It supports hair growth, but other than that there isn't much information about its functions in personal care products.
Histidine
Est. %0.3
Function
Origin
A humectant moisturizing amino acid with weak antioxidant effects that is a part of the skin’s Natural Moisturizing Factor. It can attract water to the skin’s surface and is slightly alkaline, thereby helping to balance a product's pH.
Tryptophan
Est. %0.3
Function
Origin
Description is coming soon
Red 4 (CI 14700)
Est. %0.3
Function
Origin
A synthetic dye that is also known as FD&C Red No. 4. This colorant produces a warm red hue that has an orange or yellow undertone.
Hydroxyproline
Est. %0.3
Function
Origin
An amino acid that may promote collagen synthesis.
Adenine
Est. %0.3
Function
Origin
Description is coming soon
Yellow 5 (CI 19140)
Est. %0.3
Function
Origin
A bright yellow colorant that is often also listed as FD&C Yellow 5.
Sodium Dehydroacetate
Est. %0.3
Function
Origin
A sodium salt of dehydroacetic acid that is most commonly used as a preservative. It is a strong fungicide and a moderate bactericide, which makes it an effective broad-spectrum preservative.
RNA
Est. %0.3
Function
Origin
Description is coming soon
DNA
Est. %0.3
Function
Origin
Description is coming soon
Retinyl Acetate
Est. %0.3
Function
Origin
An esterified vitamin A that has improved stability. It is not yet known if it gets converted into retinoic acid in the skin or if has the same anti-aging properties as retinol.
Cysteine
Est. %0.3
Function
Origin
A multifunctional amino acid that acts as a reducing agent and an antioxidant.
Glutathione
Est. %0.3
Function
Origin
A naturally occurring tripeptide that combats free radicals and acts as a reducing agent.
PABA
Est. %0.3
Function
Origin
Description is coming soon
Pyridoxine HCl
Est. %0.3
Function
Origin
A B-vitamin that helps regulate sebum production.
Inositol
Est. %0.3
Function
Origin
A 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.
Ascorbic Acid
Est. %0.3
Function
Origin

Also known as vitamin C, this multi-benefit ingredient has proven anti-wrinkle, antioxidant, and anti-pigmentation efficacy. It degrades easily when exposed to air and light, so it requires proper packaging to maintain its stability.

Niacin
Est. %0.3
Function
Origin
An active form of vitamin B3 that is used to support and restore the healthy appearance of the skin, although it is less effective than Niacinamide.
Niacinamide
Est. %0.3
Function
Origin

Also known as vitamin B3, this ingredient is a true superstar with confirmed moisturizing, anti-acne, hyperpigmentation, and antioxidant benefits. Two studies confirm its significant anti-wrinkle efficacy.

Riboflavin
Est. %0.3
Function
Origin
Riboflavin, also known as Vitamin B2, is used in skincare as a coloring agent due to its bright, brilliant orange-yellow color. The research shows that it is a good antioxidant and can protect the skin from UV-induced damage.
Menadione
Est. %0.3
Function
Origin
Description is coming soon
Tocopheryl Acetate
Est. %0.3
Function
Origin

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.

Thiamine HCl
Est. %0.3
Function
Origin
Also known as vitamin B1, the benefits of this ingredient in skincare are not yet clear. It may have some benefits to energy metabolism, but this hasn't been confirmed. It has a typical, sulfur-like smell.
Folic Acid
Est. %0.3
Function
Origin
A critical vitamin for the body that needs more research for topical applications.
Biotin
Est. %0.3
Function
Origin
Biotin is an important nutrient that can cause weak hair and nails if deficient. Unfortunately, while biotin supplements have promising studies, topical biotin in creams and serums doesn’t have a large body of evidence to support its use.
Calcium Pantothenate
Est. %0.3
Function
Origin
A vitamin B5 derivative that reduces static buildup on the skin.