PRODUCT REVIEW

The Purest Solutions Vitamin B Complex Serum
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Price as of 8/9/2025 14:58 GMT.
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Product summary
What can the product work for?
Evens skin tone
niacinamide
4.6% -
6.9%
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
ferulic acid
0.4% -
1%
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%
Anti-blemish
niacinamide
4.6% -
6.9%
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
Anti-aging
niacinamide
4.6% -
6.9%
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
ferulic acid
0.4% -
1%
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%
folic acid
0.01% -
0.1%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Can help stimulate collagen production in skin. While available studies are promising, more research is needed to confirm the efficacy in skin
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Moisturizing
sodium acetylated hyaluronate
0.3% -
0.7%
Irritation risk:
Concentration: Effectiveness: HIGH
A type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid
sodium hyaluronate
0.35% -
0.75%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
sodium hyaluronate crosspolymer
0.35% -
0.8%
Irritation risk:
Concentration: Effectiveness: HIGH
Attracts water into the upper layer of the skin
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Anti-oxidation
ferulic acid
0.4% -
1%
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%
tocopherol
0.1% -
0.35%
Irritation risk:
Concentration: Insufficient!
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
Honesty check
How honest is this product?
Promise | Can it deliver? |
---|---|
Evens skin tone |
Total Promises Fulfilled score:
100/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
propylene glycol
1.2% -
1.8%
Irritation risk:
Works for:
Moisturizing
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
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Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
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WIMJ similarity score |
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Key ingredients |
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Irritancy | IRRITANCY
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LOW
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LOW
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HIGH
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HIGH
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LOW
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LOW
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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
niacinamide
4.6% -
6.9%
Irritation risk:
Works for:
Evens skin tone,
Anti-blemish,
Moisturizing,
Anti-aging,
Reduces irritation,
Anti-inflammatory,
Reduces redness,
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
ferulic acid
0.4% -
1%
Irritation risk:
Works for:
Anti-oxidation,
Anti-inflammatory,
Anti-aging,
Evens skin tone
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%
Show more
Potential irritants
propylene glycol
1.2% -
1.8%
Irritation risk:
Works for:
Moisturizing
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
niacinamide
4.6% -
6.9%
Irritation risk:
Works for:
Evens skin tone,
Anti-blemish,
Moisturizing,
Anti-aging,
Reduces irritation,
Anti-inflammatory,
Reduces redness,
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
pentylene glycol
3.7% -
5.6%
Irritation risk:
Works for:
Moisturizing
Used to preserve products, dissolve other ingredients and create a nice product texture
Show more
Ingredient list view
Water, Niacinamide, Pentylene glycol, Ethoxydiglycol, Glycerin, Panthenol, Butylene glycol, Propylene glycol, Propanediol, Unknown, Cellulose, Polysorbate 20, Ferulic acid, Sodium pca, Lac extract, Sodium hyaluronate crosspolymer, Sodium hyaluronate, Sodium acetylated hyaluronate, Hydrolyzed oats, Ethylhexylglycerin, Phenethyl alcohol, 1,2-hexanediol, Tocopherol, Cyanocobalamin, Riboflavin, Biotin, Folic acid
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
- Glycerol and the skin: holistic approach to its origin and functions
- Skin moisturizing effects of panthenol-based formulations
- Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives as Used in Cosmetics
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- 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
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Acetylated Hyaluronic Acid: Enhanced Bioavailability and Biological Studies
- Final Report on the Safety Assessment of Phenethyl Alcohol
- The influence of alkane chain length on the skin irritation potential of 1,2-alkanediols
- Vitamin E in dermatology
- Vitamin E and Skin Health
- Topical vitamin B12--a new therapeutic approach in atopic dermatitis-evaluation of efficacy and tolerability in a randomized placebo-controlled multicentre clinical trial
- Superiority of a vitamin B12-containing emollient compared to a standard emollient in the maintenance treatment of mild-to-moderate plaque psoriasis