PRODUCT REVIEW
Dermadoctor Kakadu C 20% Vitamin C Ether Serum with Ferulic Acid and Vitamin Esters
Works for:
based on ingredients and %- Anti-aging
- Anti-oxidation
- Moisturizing
- Evens skin tone
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Can it cause trouble?
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What can the product work for?
Works for
Anti-aging
What does the product description say?
Kakadu C 20% Vitamin C Ether Serum with Ferulic Acid and Vitamin Esters
epigallocatechin gallate
0.9% -
1.35%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A polyphenol found in tea. This particular compound abbreviated EGCG is the most powerful antioxidant among those extracted from tea (usually green tea). Unfortunately, EGCG is unstable, requires a low pH (below 4) to prevent quick degradation, and does not penetrate the skin very well. This is why the full anti-oxidant effect of EGCG is typically not realized when it is added to topical skincare
ferulic acid
0.15% -
0.65%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
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%
3-o-ethyl ascorbic acid
7.3% -
10.9%
Irritation risk:
Concentration: Effectiveness:
LOW
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
Show more
Evens skin tone
3-o-ethyl ascorbic acid
7.3% -
10.9%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
epigallocatechin gallate
0.9% -
1.35%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A polyphenol found in tea. This particular compound abbreviated EGCG is the most powerful antioxidant among those extracted from tea (usually green tea). Unfortunately, EGCG is unstable, requires a low pH (below 4) to prevent quick degradation, and does not penetrate the skin very well. This is why the full anti-oxidant effect of EGCG is typically not realized when it is added to topical skincare
ferulic acid
0.15% -
0.65%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
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%
Moisturizing
glycerin
2.7% -
4.1%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
sodium hyaluronate
0.05% -
0.15%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
epigallocatechin gallate
0.9% -
1.35%
Irritation risk:
Concentration: Effectiveness:
LOW
A polyphenol found in tea. This particular compound abbreviated EGCG is the most powerful antioxidant among those extracted from tea (usually green tea). Unfortunately, EGCG is unstable, requires a low pH (below 4) to prevent quick degradation, and does not penetrate the skin very well. This is why the full anti-oxidant effect of EGCG is typically not realized when it is added to topical skincare
Show more
Anti-oxidation
ferulic acid
0.15% -
0.65%
Irritation risk:
Concentration: Effectiveness: HIGH
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%
3-o-ethyl ascorbic acid
7.3% -
10.9%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
epigallocatechin gallate
0.9% -
1.35%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A polyphenol found in tea. This particular compound abbreviated EGCG is the most powerful antioxidant among those extracted from tea (usually green tea). Unfortunately, EGCG is unstable, requires a low pH (below 4) to prevent quick degradation, and does not penetrate the skin very well. This is why the full anti-oxidant effect of EGCG is typically not realized when it is added to topical skincare
Show more
Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Anti-aging |
Total Promises Fulfilled score:
75/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
3-o-ethyl ascorbic acid
7.3% -
10.9%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
alcohol
0.5% -
1.2%
Irritation risk:
Works for:
Antibacterial
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
Show more
Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
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| WIMJ similarity score |
54%
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| Irritancy | IRRITANCY
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LOW
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MEDIUM
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LOW
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LOW
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LOW
| IRRITANCY
MEDIUM
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LOW
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LOW
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LOW
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Ingredients & concentrations
All ingredients
Key Actives
epigallocatechin gallate
0.9% -
1.35%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Anti-blemish,
Anti-oxidation,
Moisturizing
A polyphenol found in tea. This particular compound abbreviated EGCG is the most powerful antioxidant among those extracted from tea (usually green tea). Unfortunately, EGCG is unstable, requires a low pH (below 4) to prevent quick degradation, and does not penetrate the skin very well. This is why the full anti-oxidant effect of EGCG is typically not realized when it is added to topical skincare
tocopherol
0.8% -
1.25%
Irritation risk:
Works for:
Anti-oxidation,
Moisturizing,
Anti-inflammatory,
Anti-aging
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
Show more
Potential irritants
3-o-ethyl ascorbic acid
7.3% -
10.9%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
alcohol
0.5% -
1.2%
Irritation risk:
Works for:
Antibacterial
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
3-o-ethyl ascorbic acid
7.3% -
10.9%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
Show more
Ingredient list view
Water, 3-o-ethyl ascorbic acid, Ethoxydiglycol, Glycerin, Peg-40 hydrogenated castor oil, Butylene glycol, Citric acid, Terminalia ferdinandiana fruit extract, Epigallocatechin gallate, Tocopherol, Alcohol, Sodium citrate, Phenoxyethanol, Triethanolamine, Ferulic acid, Caprylyl glycol, Ethylhexylglycerin, Disodium edta, Hexylene glycol, Panthenol, Sodium hyaluronate
Sources
- Antioxidant Ability and Stability Studies of 3-O-Ethyl Ascorbic Acid, a Cosmetic Tyrosinase Inhibitor
- Glycerol and the skin: holistic approach to its origin and functions
- Amended Safety Assessment of PEGylated Oils as Used in Cosmetics
- The chemotherapeutic potential of Terminalia ferdinandiana: Phytochemistry and bioactivity
- Great green tea ingredient? A narrative literature review on epigallocatechin gallate and its biophysical properties for topical use in dermatology
- Comparative Evaluation of Different Co-Antioxidants on the Photochemical- and Functional-Stability of Epigallocatechin-3-gallate in Topical Creams Exposed to Simulated Sunlight
- Photodegradation of (−)-epigallocatechin-3-gallate in topical cream formulations and its photostabilization
- Vitamin E in dermatology
- Vitamin E and Skin Health
- 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
- Skin moisturizing effects of panthenol-based formulations
- Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives as Used in Cosmetics
- Hyaluronic acid: A key molecule in skin aging