Works for:
based on ingredients and %- Moisturizing
Doesn't work for:
based on ingredients and %- Anti-aging
- Evens skin tone
Can it cause trouble?
- Irritation risk: medium
- Comedogenic risk ingredients: 2
Key actives
Product Summary
"Kerstin Florian - Serum C+ Infusion" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.
Price
The product retails from 95.00$ up to 98.00$ in the United States, for 199.64CA$ in Canada and for 287.09A$ in Australia.
For a detailed price comparison: click here.
Moisturizing
What does the product description say?
This Vitamin C based serum accelerates the elimination of photo-damage, evens out skin tone, moisturizes the skin and prevents signs of premature aging.
Source: Skinstore
This product can help soften the skin and reduce its moisture loss with emollients and occlusives: dimethicone, cyclopentasiloxane.
Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
A plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties
An amino-acid. There is not strong evidence of a particular beneficial effect for skin in topical applications, beyond attracting water to the upper layer of the skin
A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin
Derived from brown algae. Helps attract water to the upper layer of the skin
Used to preserve products, dissolve other ingredients and create a nice product texture
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
Helps preserve products and creates a nice product texture
Anti-aging
What does the product description say?
Benefits Diminishes the appearance of lines and wrinkles.
Source: Skinstore
Effective ingredients missing or their concentration is too low.
Being a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.
Evens skin tone
What does the product description say?
Helps protect skin against free radical damage. Improves skin tone and elasticity. Formula is paraben and oil free.
Source: Skinstore
Effective ingredients missing or their concentration is too low
Being a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Moisturizing | |
| Anti-aging | |
| Evens skin tone |
Total Promises Fulfilled score: 25/100.
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Potential irritants
Comedogenic ingredients
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 Kerstin Florian Serum C+ Infusion | Current | $95.00 | |
Peter Thomas Roth Potent C Target Spot Brightener | 64% | - | |
Jack Black Brightening Booster Vitamin C Serum | 60% | $38.25 | |
 DEZI SKIN CLARO QUE C - Vitamin C Glow Serum | 59% | $62.00 | |
 Dr. Loretta Anti-Aging Repair Serum | 59% | $110.00 | |
 Paula's choice Resist Ultra-Light Super Antioxidant Concentrate Serum | 58% | $30.60 |
Key Actives
Being a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin
Potential irritants
A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin
Used to preserve products, dissolve other ingredients and create a nice product texture
Being a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.
A plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties
A gelling agent that thickens the product consistency and leaves the skin with a velvety finish
Helps preserve products and creates a nice product texture
Comedogenic ingredients
Derived from brown algae. Helps attract water to the upper layer of the skin
A plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties
All ingredients
Used to preserve products, dissolve other ingredients and create a nice product texture
An amino-acid. There is not strong evidence of a particular beneficial effect for skin in topical applications, beyond attracting water to the upper layer of the skin
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin
Being a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.
Derived from brown algae. Helps attract water to the upper layer of the skin
Dissolves other ingredients. It does not have additional skin benefits compared to plain water
A plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties
A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin
A gelling agent that thickens the product consistency and leaves the skin with a velvety finish
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
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
Helps preserve products and creates a nice product texture
Ingredient list view
Water, Pentylene glycol, Methylsilanol hydroxyproline aspartate, Dimethicone, Citrus grandis peel oil, Citrus aurantium amara peel oil, Tetrahexyldecyl ascorbate, Hydrolyzed algin, Maris aqua, Sea water, Chlorella vulgaris extract, Dimethicone/divinyldimethicone/silsesquioxane crosspolymer, Tropolone, Cyclopentasiloxane, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Dimethicone crosspolymer-3, Xanthan gum, Carbomer, Isohexadecane, Chlorphenesin, Peg-40 stearate, Caprylyl glycol, 1,2-hexanediol, Ethylhexylglycerin, Sodium benzoate, Potassium sorbate, Sodium hydroxide, Polysorbate 60, Disodium edta, Laureth-12