PRODUCT REVIEW
Sothys Cosmeceutique RX Ultra C Dermobooster
Can it cause trouble?
Buy from Amazon US $60.09
More options from: $60.09
Price as of 2/11/2023 2:54 GMT.
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What can the product work for?
Works for
Anti-aging
What does the product description say?
Reduces signs of aging.
retinyl palmitate
0.55% -
0.85%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect
ascorbyl tetraisopalmitate
4.4% -
5.4%
Irritation risk:
Concentration: Insufficient!
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
lactic acid
0.15% -
0.25%
Irritation risk:
Concentration: Insufficient!
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
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Evens skin tone
What does the product description say?
Lipo-solulable Vitamin C slows down melanogenesis to brighten skin and lighten hyperpigmentation, encourage cell metabolism and the production of collagen.
retinyl palmitate
0.55% -
0.85%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect
lactic acid
0.15% -
0.25%
Irritation risk:
Concentration: Insufficient!
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
ascorbyl tetraisopalmitate
4.4% -
5.4%
Irritation risk:
Concentration: Insufficient!
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Anti-aging | |
| Evens skin tone |
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
alcohol denat.
8.2% -
10.1%
Irritation risk:
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
retinyl palmitate
0.55% -
0.85%
Irritation risk:
Works for:
Anti-blemish,
Anti-aging,
Evens skin tone,
Exfoliation
Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect
Show more
Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
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| Irritancy | IRRITANCY
HIGH
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MEDIUM
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MEDIUM
| IRRITANCY
LOW
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HIGH
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LOW
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HIGH
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HIGH
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MEDIUM
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MEDIUM
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LOW
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Ingredients & concentrations
All ingredients
Key Actives
ascorbyl tetraisopalmitate
4.4% -
5.4%
Irritation risk:
Works for:
Anti-oxidation,
Anti-aging,
Evens skin tone,
Moisturizing
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
retinyl palmitate
0.55% -
0.85%
Irritation risk:
Works for:
Anti-blemish,
Anti-aging,
Evens skin tone,
Exfoliation
Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect
Show more
Potential irritants
alcohol denat.
8.2% -
10.1%
Irritation risk:
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
retinyl palmitate
0.55% -
0.85%
Irritation risk:
Works for:
Anti-blemish,
Anti-aging,
Evens skin tone,
Exfoliation
Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
alcohol denat.
8.2% -
10.1%
Irritation risk:
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
ascorbyl tetraisopalmitate
4.4% -
5.4%
Irritation risk:
Works for:
Anti-oxidation,
Anti-aging,
Evens skin tone,
Moisturizing
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
Show more
Ingredient list view
Water, Alcohol denat., Ascorbyl tetraisopalmitate, Butylene glycol, Glycerin, Chlorphenesin, Hydroxypropyl guar, Hydrogenated polyisobutene, Simmondsia chinensis seed oil, Carbomer, Tocopheryl acetate, Retinyl palmitate, Sodium hyaluronate, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Propylene glycol dicaprylate/dicaprate, Acrylates/c10-30 alkyl acrylate crosspolymer, Squalane, Disodium edta, Polysorbate 60, Lactic acid, Hamamelis virginiana extract, Sorbitan isostearate, Tocopherol
Sources
- 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
- Glycerol and the skin: holistic approach to its origin and functions
- Final report of the cosmetic ingredient review expert panel on the safety assessment of Polyisobutene and Hydrogenated Polyisobutene as used in cosmetics
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Epidermal and dermal effects of topical lactic acid
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- Anti-Inflammatory Efficacy of Topical Preparations with 10% Hamamelis Distillate in a UV Erythema Test
- Anti-inflammatory activity of hamamelis distillate applied topically to the skin
- ASSESSMENT REPORT ON HAMAMELIS VIRGINIANA L., CORTEX HAMAMELIS VIRGINIANA L., FOLIUM HAMAMELIS VIRGINIANA L., FOLIUM ET CORTEX AUT RAMUNCULUS DESTILLATUM
- Vitamin E in dermatology