PRODUCT REVIEW
Medik8 C-Tetra+ Intense Serum
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Price as of 5/5/2024 7:46 GMT.
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What can the product work for?
Anti-aging
What does the product description say?
Restore radiance to skin with Medik8 C-Tetra+ Intense Serum, a nourishing formula that targets and corrects the visible signs of ageing.
tetrahexyldecyl ascorbate
4.6% -
6.8%
Irritation risk:
Concentration: Effectiveness: HIGH
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.
prunus amygdalus dulcis oil
0.2% -
0.75%
Irritation risk:
Concentration: Effectiveness:
LOW
An emollient that softens the skin
Evens skin tone
What does the product description say?
Enriched with a potent blend of Vitamin C, Red Ginseng and Maracuja Oil, the antioxidant-rich serum helps to protect against free radical damage whilst brightening and balancing the skin tone.
tetrahexyldecyl ascorbate
4.6% -
6.8%
Irritation risk:
Concentration: Effectiveness: HIGH
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.
ethyl linoleate
1.8% -
2.8%
Irritation risk:
Concentration: Effectiveness:
LOW
Helps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking
Moisturizing
What does the product description say?
Expect a hydrated, protected and glowing complexion.
helianthus annuus seed oil
0.45% -
1.05%
Irritation risk:
Concentration: Effectiveness: HIGH
A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function
dimethicone
3.8% -
5.7%
Irritation risk:
Concentration: Effectiveness: HIGH
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
ethyl linoleate
1.8% -
2.8%
Irritation risk:
Concentration: Effectiveness: HIGH
Helps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking
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Anti-blemish
ethyl linoleate
1.8% -
2.8%
Irritation risk:
Concentration: Effectiveness: HIGH
Helps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking
Anti-oxidation
tetrahexyldecyl ascorbate
4.6% -
6.8%
Irritation risk:
Concentration: Effectiveness: HIGH
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.
prunus amygdalus dulcis oil
0.2% -
0.75%
Irritation risk:
Concentration: Effectiveness:
LOW
An emollient that softens the skin
tocopheryl acetate
0.85% -
1.25%
Irritation risk:
Concentration: Insufficient!
A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.
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Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Anti-aging | |
| Evens skin tone | |
| Moisturizing |
Total Promises Fulfilled score:
91/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
citrus grandis peel oil
2% -
3%
Irritation risk:
A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin
passiflora edulis seed oil
1.6% -
2.4%
Irritation risk:
Works for:
Moisturizing
A good emollient helping to soften the skin. Might have some anti-oxidant properties. Adds a fragrance to the product
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Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
Similar products & dupes
| Medik8 - C-Tetra+ Intense Serum |  African Botanics - Vita-C Corrector |  The Ordinary - Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F |  DeVita - Luxe C17 Serum |  Peter Thomas Roth - Potent C Target Spot Brightener |  Dr. Loretta - Anti-Aging Repair Serum |  Paula's choice - Resist Ultra-Light Super Antioxidant Concentrate Serum |  SUNDAY RILEY - CEO 15% Vitamin C Brightening Serum |  Wabi-Sabi Botanicals - Light Reveal Illuminative Eye & Face Serum |  Ghost Democracy - Lightbulb Vitamin C Serum |  Womaness - Fountain of Glow | |
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| Irritancy | IRRITANCY
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Ingredients & concentrations
All ingredients
Key Actives
ethyl linoleate
1.8% -
2.8%
Irritation risk:
Works for:
Anti-blemish,
Moisturizing,
Anti-inflammatory,
Evens skin tone
Helps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking
tetrahexyldecyl ascorbate
4.6% -
6.8%
Irritation risk:
Works for:
Anti-aging,
Anti-oxidation,
Evens skin tone
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.
Show more
Potential irritants
citrus grandis peel oil
2% -
3%
Irritation risk:
A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin
passiflora edulis seed oil
1.6% -
2.4%
Irritation risk:
Works for:
Moisturizing
A good emollient helping to soften the skin. Might have some anti-oxidant properties. Adds a fragrance to the product
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
squalane
25% -
37%
Irritation risk:
Works for:
Moisturizing
An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.
simmondsia chinensis seed oil
5.8% -
8.7%
Irritation risk:
Works for:
Moisturizing
Softens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.
tetrahexyldecyl ascorbate
4.6% -
6.8%
Irritation risk:
Works for:
Anti-aging,
Anti-oxidation,
Evens skin tone
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.
Show more
Ingredient list view
Squalane, Simmondsia chinensis seed oil, Tetrahexyldecyl ascorbate, Dimethicone, Candida bombicola/glucose/methyl rapeseedate ferment, Citrus grandis peel oil, Ethyl linoleate, Passiflora edulis seed oil, Tocopheryl acetate, Panax ginseng root oil, Olea europaea fruit oil, Helianthus annuus seed oil, Prunus armeniaca kernel oil, Prunus amygdalus dulcis oil, Ppg-12/smdi copolymer, Limonene
Sources
- Double-blind, half-face study comparing topical vitamin C and vehicle for rejuvenation of photodamage
- Application of tetra-isopalmitoyl ascorbic acid in cosmetic formulations: Stability studies and in vivo efficacy
- Dimethicone as a protective ingredient in topical medications
- Final Report on the Safety Assessment of Dimethicone Copolyol
- Ethyl linoleate inhibits α-MSH-induced melanogenesis through Akt/GSK3β/β-catenin signal pathway
- Double-blind, randomized, placebo-controlled study of a lotion containing triethyl citrate and ethyl linoleate in the treatment of acne vulgaris
- Use of “natural” oils for moisturization: Review of olive, coconut, and sunflower seed oil
- Effect of Olive and Sunflower Seed Oil on the Adult Skin Barrier: Implications for Neonatal Skin Care
- Topically Applied Sunflower Seed Oil Prevents Invasive Bacterial Infections in Preterm Infants in Egypt
- Effect of topically applied lipids on surfactant-irritated skin
- Impact of topical oils on the skin barrier: possible implications for neonatal health in developing countries