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C-Firma™ Vitamin C Day Serum Drunk Elephant

Drunk Elephant - C-Firma™ Vitamin C Day Serum
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Key promises

Anti-aging, Anti-oxidation, Evens skin tone, Exfoliation, Moisturizing
Effectiveness

Effectiveness

87 /100
Irritancy

Irritancy

MEDIUM

SHOP NOW

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Starting at $80.00
Buy Now
In stock 2/10/2021
image not found
Starting at $80.00
Buy Now
In stock 2/5/2021
Sephora CA
Starting at CA$105.00
Buy Now
In stock 2/11/2021
Links might be affiliated. Read disclaimer

What's in this jar?

Can work for

  • Anti-aging
  • Anti-oxidation
  • Evens skin tone
  • Moisturizing
  • Exfoliation

Promises, but can't deliver

All promises fulfilled!
See a mistake?
promise
What does the product description say?
"Fine Lines and Wrinkles, Dullness and Uneven Texture, and Loss of Firmness and Elasticity Formulation."
From: Sephora

WIMJ FORMULA ANALYSIS

It can get the job done. Best in class ingredients detected
Ingredient
Effectiveness
Concentration
Irritancy
ascorbic acid
HIGH
meets threshold
Irritancy
acetyl glucosamine
HIGH
meets threshold
Irritancy
ferulic acid
MEDIUM
meets threshold
Irritancy
See a mistake?

WIMJ FORMULA ANALYSIS

It can get the job done. Best in class ingredients detected
Ingredient
Effectiveness
Concentration
Irritancy
ascorbic acid
HIGH
meets threshold
Irritancy
camellia sinensis leaf extract
HIGH
meets threshold
Irritancy
tocopherol
HIGH
does not meet threshold
Irritancy
See a mistake?
promise
What does the product description say?
"Fine Lines and Wrinkles, Dullness and Uneven Texture, and Loss of Firmness and Elasticity Formulation."
From: Sephora

WIMJ FORMULA ANALYSIS

It can get the job done. Best in class ingredients detected
Ingredient
Effectiveness
Concentration
Irritancy
acetyl glucosamine
HIGH
meets threshold
Irritancy
ascorbic acid
HIGH
meets threshold
Irritancy
ferulic acid
MEDIUM
meets threshold
Irritancy

Moisturizing

See a mistake?
promise
What does the product description say?
"Fine Lines and Wrinkles, Dullness and Uneven Texture, and Loss of Firmness and Elasticity Formulation."
From: Sephora

WIMJ FORMULA ANALYSIS

Yes. Has good ingredients to attract water to the skin and then "seal it in", keeping skin hydrated over time
Ingredient
Effectiveness
Concentration
Irritancy
glycerin
HIGH
meets threshold
Irritancy
glycine
HIGH
meets threshold
Irritancy
sodium hyaluronate
HIGH
meets threshold
Irritancy

Exfoliation

See a mistake?
promise
What does the product description say?
"Packed with a powerful antioxidant complex of l-ascorbic and ferulic acids to reveal a more even-looking complexion, C-FirmaTM helps enzymatically dissolve dead skin cells as it intensely hydrates."
From: Sephora

WIMJ FORMULA ANALYSIS

Ingredients may be helpful, but are not the most effective, well studied, or used in a sufficient concentration
Ingredient
Effectiveness
Concentration
Irritancy
lactobacillus/punica granatum fruit ferment extract
LOW
meets threshold
Irritancy
vitis vinifera juice extract
LOW
meets threshold
Irritancy
lactobacillus/pumpkin ferment extract
LOW
meets threshold
Irritancy
Ingredient
Irritancy
Skin benefit
ascorbic acid
Irritancy
Has skin benefit
laureth-23
Irritancy
Has skin benefit
lactobacillus/pumpkin ferment extract
Irritancy
Has skin benefit
Pos Ingredient Name Description
1 water/aqua/eau Plain old water
2 dimethyl isosorbide Used to dissolve other ingredients in a product and can enhance their ability to penetrate the skin
3 ascorbic acid One of the few well researched potent anti-aging ingredients. When it is able to penetrate the skin in an active state, it is effective against fine lines and wrinkles, helps improve skin elasticity and reduce hyperpigmentation. It acts as a powerful anti-oxidant and stimulates collagen production. The main issue with ascorbic acid is that it is highly unstable, in other words, it is losing its effectivenss quickly when exposed to air and light (if a serum or cream containing ascorbic acid has an orange color, it is a likely that the ingredient has oxidized and is no longer active). In addition, it is water-soluble, meaning that it has difficulty pentrating the skin. It is also quite irritating, and can cause stinging. When used in low concentrations, helps stabilize the product formulation
4 laureth-23 Helps oil and water mix together
5 glycerin One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
6 lactobacillus/pumpkin ferment extract An enzyme-based exfoliant
7 sclerocarya birrea seed oil An emollient that helps to soften the skin. Might have some anti-oxidant properties. It might be somewhat helpful against hyperpigmentation
8 dipotassium glycyrrhizate A salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening
9 glycyrrhiza glabra (licorice) root extract A plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals
10 vitis vinifera (grape) juice extract Contains AHAs that exfoliate the upper layer of the skin. Can help attract water to the upper layer of the skin due to the sugar content
11 phyllanthus emblica fruit extract A plant extract that might be helpful in neutralizing free radicals and have a skin lightening effect if used in high enough concentrations
12 camellia sinensis leaf extract Can contain potent anti-oxidant compounds and help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties
13 tocopherol Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
14 lactobacillus/punica granatum fruit ferment extract An enzyme-based exfoliant
15 sodium hyaluronate crosspolymer Attracts water into the upper layer of the skin
16 hydrolyzed quinoa Might help to attract water to the upper layer of the skin
17 phytosterols Lipids that work as an emollient and can be helpful in repairing skin barrier function
18 glutamylamidoethyl imidazole A peptide that is claimed to be helpful in supporting vitamin D production in skin but evidence is lacking
19 hydrolyzed wheat protein Can help attract water to the upper layer of the skin. Avoid if sensitive to gluten
20 ferulic acid A potent anti-oxidant that has been shown to be effective in neutralizing free radicals in skin. There seem to have a synergetic effect of ferulic acid, vitamin E and C, meaning that when the ingredients are used together, they enhance each other's ability protect the skin against free radicals. Ferulic acid also helps to stabilize other ingredients - including vitamins C and E. It can help to even out the skin tone. Ferulic acid is approved for use as a sunscreen ingredient in Japan in concentrations up to 10%
21 acetyl glucosamine An effective moisturizing ingredient that also has been shown to be effective in evening out the skin tone and reducing hyperpigmentation. It can help somewhat reduce wrinkles in skin
22 sodium hyaluronate One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
23 tetrahydrobisdemethoxydiferuloylmethane An anti-oxidant derived from curcumin (naturally present in tumeric). It might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
24 tetrahydrodemethoxydiferuloylmethane An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
25 tetrahydrodiferuloylmethane An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
26 glycine Helps to attract water to the upper layer of the skin and can help restore the skin barrier function
27 leuconostoc/radish root ferment filtrate A preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determine
28 sucrose Can help attract water to the upper layer of the skin. In crystal form, it can work as a gentle exfoliant, gentler than the salt scrub. Helps stabilize the emulsion
29 maltodextrin Used to stabilize the product formulation and can help absorb oil
30 chondrus crispus extract Red algae extract that helps attract water to the upper layer of the skin and create a nicer product consistency
31 hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A gelling agent that thickens the product consistency and leaves the skin with a velvety finish
32 isohexadecane Improves the texture of the product and helps soften the skin. Helps oil and water mix together and can be used as a cleansing agent
33 phenoxyethanol A preservative. It helps prevent bacterial growth in cosmetic products
34 caprylhydroxamic acid A preservative
35 caprylyl glycol Helps preserve products and creates a nice product texture
36 sorbitan isostearate Helps oil and water mix together
37 propanediol Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin
38 pentylene glycol Used to preserve products, dissolve other ingredients and create a nice product texture
39 xanthan gum Used to create a thicker product consistency
40 butylene glycol Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin
41 sodium hydroxide Used to adjust the product's pH
42 chlorphenesin A preservative
43 polysorbate 60 Helps oil and water mix together
44 sodium dehydroacetate A preservative
45 potassium sorbate A preservative
46 sorbic acid A preservative
47 ethylhexylglycerin A preservative
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Scientific Sources

  • Activity enhancement of ferulic acid with dimethyl isosorbride in cosmetic compositions
  • Glycerol and the skin: holistic approach to its origin and functions
  • Ameliorating effect of dipotassium glycyrrhizinate on an IL-4- and IL-13-induced atopic dermatitis-like skin-equivalent model
  • Final report on the safety assessment of Glycyrrhetinic Acid, Potassium Glycyrrhetinate, Disodium Succinoyl Glycyrrhetinate, Glyceryl Glycyrrhetinate, Glycyrrhetinyl Stearate, Stearyl Glycyrrhetinate, Glycyrrhizic Acid, Ammonium Glycyrrhizate, Dipotassium Glycyrrhizate, Disodium Glycyrrhizate, Trisodium Glycyrrhizate, Methyl Glycyrrhizate, and Potassium Glycyrrhizinate.
  • Safety Assessment of Vitis Vinifera (Grape)-Derived Ingredients as Used in Cosmetics
  • Emblica
  • Amla (Emblica officinalis Gaertn.) extract promotes procollagen production and inhibits matrix metalloproteinase-1 in human skin fibroblasts
  • Emblica Cascading Antioxidant: A Novel Natural Skin Care Ingredient
  • Vitamin E in dermatology
  • Vitamin E and Skin Health
  • Cosmetic product with anti-skin-aging properties
  • Wheat in skin care
  • Ferulic Acid: Therapeutic Potential Through Its Antioxidant Property
  • Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin
  • Antioxidant Properties of Ferulic Acid and Its Possible Application
  • The effect of N-acetyl-glucosamine on stratum corneum desquamation and water content in human skin
  • Glucosamine: an ingredient with skin and other benefits
  • Genomic expression changes induced by topical N-acetyl glucosamine in skin equivalent cultures in vitro
  • Incorporation of D-(^H)glucosamine into normal and psoriatic epidermal glycoconjugates
  • Reduction in the appearance of facial hyperpigmentation by topical N-acetyl glucosamine
  • Hyaluronic acid: A key molecule in skin aging
  • Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
  • Skin lightening effect of tetrahydrocurcumin
  • Use of tetrahydrocurcuminoids to regulate physiological and pathological events in the skin and mucosa
  • Tetrahydrocurcuminoid cream plus targeted narrowband UVB phototherapy for vitiligo: a preliminary randomized controlled study
  • Effect of Topical Application of Glycine and Proline on Recalcitrant Leg Ulcers of Prolidase Deficiency
  • Functional glycine receptor in cultured human keratinocytes
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