PRODUCT REVIEW
Skinfood Yuja C Dark Spot Clear Serum
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Product summary
What can the product work for?
Anti-blemish
What does the product description say?
This brightening water serum with a simple 6 ingredient list features 96% Goheung Yuja Extract, Niacinamide, Licorice Root Extract, and Tranexamic Acid to treat existing dark spots and prevent future blemishes for a clear and bright complexion.
niacinamide
23% -
34%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
sodium ascorbyl phosphate
7.1% -
10.7%
Irritation risk:
Concentration: Effectiveness: HIGH
A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C
beta-glucan
0.35% -
0.85%
Irritation risk:
Concentration: Effectiveness:
LOW
Helps attract water to the upper layer of the skin, calm down inflammation and irritation, restore the barrier function and support wound healing. It can be helpful in reducing fine lines and wrinkles
Evens skin tone
What does the product description say?
Yuja C Dark Spot Clear Serum
glutathione
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
A peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin
niacinamide
23% -
34%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
tranexamic acid
0.15% -
0.6%
Irritation risk:
Concentration: Effectiveness: HIGH
An amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally
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Moisturizing
What does the product description say?
Its watery texture quickly sinks into the skin while deeply hydrating for a fresh and radiant finish.
glutathione
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
A peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin
glycerin
3.6% -
5.4%
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
niacinamide
23% -
34%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
Show more
Anti-aging
niacinamide
23% -
34%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
sodium ascorbyl phosphate
7.1% -
10.7%
Irritation risk:
Concentration: Effectiveness:
LOW
A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C
ubiquinone
0.15% -
0.65%
Irritation risk:
Concentration: Effectiveness:
LOW
Coenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen
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Anti-oxidation
glutathione
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
A peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin
ubiquinone
0.15% -
0.65%
Irritation risk:
Concentration: Effectiveness: HIGH
Coenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen
sodium ascorbyl phosphate
7.1% -
10.7%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C
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Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Moisturizing | |
| Evens skin tone | |
| Anti-blemish |
Total Promises Fulfilled score:
100/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 2
Potential irritants
citrus junos fruit extract
2.1% -
3.1%
Irritation risk:
Contains essential oil. Can be irritating and lead to photosensitivity
citrus aurantium bergamia fruit oil
0.15% -
0.55%
Irritation risk:
A plant oil with a high content of volatile compounds that can irritate the skin and lead to allergic reactions. Can lead to photosensitivity
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Comodogenic ingredients
cetearyl alcohol
0.4% -
1%
Irritation risk: Comedogenicity: Medium
Works for:
Cleansing,
Moisturizing
A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture
ethylhexyl palmitate
0.2% -
0.8%
Irritation risk: Comedogenicity: High
Works for:
Moisturizing
An emollient that helps soften the skin and create a nice product texture
User reviews (0)
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85%
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| Irritancy | IRRITANCY
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LOW
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HIGH
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HIGH
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LOW
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MEDIUM
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HIGH
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MEDIUM
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Ingredients & concentrations
All ingredients
Key Actives
niacinamide
23% -
34%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Anti-blemish,
Moisturizing,
Reduces irritation,
Reduces redness,
Anti-inflammatory,
Antibacterial
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
niacinamide
0.85% -
1.3%
Irritation risk:
Works for:
Moisturizing,
Anti-blemish,
Evens skin tone,
Anti-aging,
Reduces irritation,
Anti-inflammatory,
Antibacterial,
Reduces redness
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
Show more
Potential irritants
citrus junos fruit extract
2.1% -
3.1%
Irritation risk:
Contains essential oil. Can be irritating and lead to photosensitivity
citrus aurantium bergamia fruit oil
0.15% -
0.55%
Irritation risk:
A plant oil with a high content of volatile compounds that can irritate the skin and lead to allergic reactions. Can lead to photosensitivity
Show more
Comodogenic ingredients
cetearyl alcohol
0.4% -
1%
Irritation risk: Comedogenicity: Medium
Works for:
Cleansing,
Moisturizing
A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture
ethylhexyl palmitate
0.2% -
0.8%
Irritation risk: Comedogenicity: High
Works for:
Moisturizing
An emollient that helps soften the skin and create a nice product texture
All ingredients
niacinamide
23% -
34%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Anti-blemish,
Moisturizing,
Reduces irritation,
Reduces redness,
Anti-inflammatory,
Antibacterial
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
sodium ascorbyl phosphate
7.1% -
10.7%
Irritation risk:
Works for:
Anti-blemish,
Anti-oxidation,
Anti-aging
A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C
citric acid
5.5% -
8.2%
Irritation risk:
Can work as an exfoliant but is typically used to adjust the product pH
Show more
Ingredient list view
Niacinamide, Sodium ascorbyl phosphate, Citric acid, Glycerin, Water, Citrus junos fruit extract, Isononyl isononanoate, Caprylic/capric triglyceride, Pentylene glycol, Niacinamide, Polyglyceryl-6 stearate, Polydecene, Glyceryl stearate, Beta-glucan, Caprylyl methicone, Cetearyl alcohol, Propanediol, Jojoba esters, 1,2-hexanediol, Cyclohexasiloxane, Caprylyl glycol, Acrylates/c10-30 alkyl acrylate crosspolymer, Ethylhexyl palmitate, Tromethamine, Sodium polyacrylate, Sodium ascorbyl phosphate, Polyglycerin-3, Citrus aurantium bergamia fruit oil, Polyglyceryl-6 behenate, Panthenol, Dimethicone/vinyl dimethicone crosspolymer, Tranexamic acid, Citrus grandis peel oil, Butylene glycol, Ubiquinone, Tetrasodium edta, Cyamopsis tetragonoloba gum, Agar, Juniperus mexicana oil, Xanthan gum, Dipotassium glycyrrhizate, Sodium hyaluronate, Tocopherol, Ascorbyl tetraisopalmitate, Ethylhexylglycerin, Glutathione, Limonene, Linalool
Sources
- Niacinamide - mechanisms of action and its topical use in dermatology
- Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x
- Sodium ascorbyl phosphate shows in vitro and in vivo efficacy in the prevention and treatment of acne vulgaris
- Sodium ascorbyl phosphate in topical microemulsions
- Final report of the safety assessment of L-Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbate, and Sodium Ascorbyl Phosphate as used in cosmetics
- Regulation of collagen synthesis in human dermal fibroblasts by the sodium and magnesium salts of ascorbyl-2-phosphate
- Comparison of clinical efficacies of sodium ascorbyl phosphate, retinol and their combination in acne treatment
- Application of l-ascorbic acid and its derivatives (sodium ascorbyl phosphate and magnesium ascorbyl phosphate) in topical cosmetic formulations: stability studies
- Sodium L-ascorbyl-2-phosphate 5% lotion for the treatment of acne vulgaris: a randomized, double-blind, controlled trial
- Glycerol and the skin: holistic approach to its origin and functions
- Safety Assessment of Citrus Fruit-Derived Ingredients as Used in Cosmetics
- β-Glucans: Multi-Functional Modulator of Wound Healing
- Anti-Wrinkle Therapy: Significant New Findings in the Non-Invasive Cosmetic Treatment of Skin Wrinkles with Beta-Glucan
- Skin Health Promotion Effects of Natural Beta-Glucan Derived from Cereals and Microorganisms: A Review
- Anticancer properties of low molecular weight oat beta-glucan – An in vitro study
- A critical review on production and industrial applications 2 of beta-glucans
- Improving skin function with CM-glucan, a biological response modifier from yeast
- Preparation, characterization, and biological properties of β-glucans
- Characterization of a new beta(1-3)-glucan branching activity of Aspergillus fumigatus
- The influence of alkane chain length on the skin irritation potential of 1,2-alkanediols
- Safety Assessment of Tromethamine as Used in Cosmetics
- Safety Assessment of Citrus-Derived Peel Oils as Used in Cosmetics
- Oxidized citrus oil (R-limonene): A frequent skin sensitizer in Europe
- Air oxidation increases skin irritation from fragrance terpenes
- Skin moisturizing effects of panthenol-based formulations
- Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives as Used in Cosmetics
- Effect of tranexamic acid on melasma: a clinical trial with histological evaluation
- Tranexamic acid accelerates skin barrier recovery and upregulates occludin in damaged skin
- The amelioration effect of tranexamic acid in wrinkles induced by skin dryness
- Efficacy and possible mechanisms of topical tranexamic acid in melasma
- 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.
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Vitamin E in dermatology
- Vitamin E and Skin Health
- Assessment of penetration of Ascorbyl Tetraisopalmitate into biological membranes by molecular dynamics
- Stability evaluation of tocopheryl acetate and ascorbyl tetraisopalmitate in isolation and incorporated in cosmetic formulations using thermal analysis
- A new lipophilic pro-vitamin C, tetra-isopalmitoyl ascorbic acid (VC-IP), prevents UV-induced skin pigmentation through its anti-oxidative properties
- New lipophilic pro-vitamin C, tetra-isopalmitoyl ascorbic acid (VC-IP), suppresses senile lentigo through controlling of melanocytes-keratinocytes interaction
- Glutathione as a skin whitening agent: Facts, myths, evidence and controversies
- Glutathione for skin lightening: a regnant myth or evidence-based verity?