PRODUCT REVIEW
Ren Skincare Ready Steady Glow Daily AHA Tonic Trial Size
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What can the product work for?
Evens skin tone
What does the product description say?
Exfoliates and brightens Minimizes pore appearance Boosts radiance and evens out skin tone Made out of 100% post-consumer recycle plastic packaging REN Clean Skincare offers pure and clean skin care solutions that work.
potassium azeloyl diglycinate
1.5% -
2.3%
Irritation risk:
Concentration: Effectiveness: HIGH
A derivative of azelaic acid. It is obtained by reacting
the chloride of azelaic acid with two molecules of glycine (an amino acid) and potassium hydroxide. It is less studied than azelaic acid, but the available research suggests that it also can be effective in reducing skin redness, hyperpigmentation and blemishes. There are claims that it is more bio-available and more effective than azelaic acid, but no comparison study is available. Potassium azeloyl diglycinate is better soluble in water compared with azelaic acid. Because of this property, products with potassium azeloyl digclycinate can have a nicer texture
azelaic acid
23% -
35%
Irritation risk:
Concentration: Effectiveness: HIGH
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
lactic acid
5.8% -
8.8%
Irritation risk:
Concentration: Effectiveness: HIGH
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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Exfoliation
What does the product description say?
from sugar cane exfoliating action, helps to eliminate dead skin cells for a smoother texture Salicin (BHA).
lactic acid
5.8% -
8.8%
Irritation risk:
Concentration: Effectiveness: HIGH
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)
salicylic acid
1.25% -
2.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
azelaic acid
23% -
35%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
Show more
Anti-blemish
salicylic acid
1.25% -
2.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
azelaic acid
23% -
35%
Irritation risk:
Concentration: Effectiveness: HIGH
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
potassium azeloyl diglycinate
1.5% -
2.3%
Irritation risk:
Concentration: Effectiveness: HIGH
A derivative of azelaic acid. It is obtained by reacting
the chloride of azelaic acid with two molecules of glycine (an amino acid) and potassium hydroxide. It is less studied than azelaic acid, but the available research suggests that it also can be effective in reducing skin redness, hyperpigmentation and blemishes. There are claims that it is more bio-available and more effective than azelaic acid, but no comparison study is available. Potassium azeloyl diglycinate is better soluble in water compared with azelaic acid. Because of this property, products with potassium azeloyl digclycinate can have a nicer texture
Anti-aging
lactic acid
5.8% -
8.8%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
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)
Moisturizing
sodium lactate
2.4% -
3.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Helps attract water to the upper layer of the skin. Is often used to adjust the pH level of the product
lactic acid
5.8% -
8.8%
Irritation risk:
Concentration: Effectiveness: HIGH
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)
potassium azeloyl diglycinate
1.5% -
2.3%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A derivative of azelaic acid. It is obtained by reacting
the chloride of azelaic acid with two molecules of glycine (an amino acid) and potassium hydroxide. It is less studied than azelaic acid, but the available research suggests that it also can be effective in reducing skin redness, hyperpigmentation and blemishes. There are claims that it is more bio-available and more effective than azelaic acid, but no comparison study is available. Potassium azeloyl diglycinate is better soluble in water compared with azelaic acid. Because of this property, products with potassium azeloyl digclycinate can have a nicer texture
Show more
Anti-oxidation
azelaic acid
23% -
35%
Irritation risk:
Concentration: Effectiveness: HIGH
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Exfoliation | |
| 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
salicylic acid
1.25% -
2.5%
Irritation risk:
Works for:
Anti-inflammatory,
Exfoliation,
Anti-blemish,
Antibacterial,
Evens skin tone
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
citrus nobilis peel oil
0.45% -
1.1%
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
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Comodogenic ingredients
No comodogenic ingredients detected
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| WIMJ similarity score |
70%
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64%
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| Key ingredients |
| Common:
Other:
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| Irritancy | IRRITANCY
HIGH
| IRRITANCY
LOW
| IRRITANCY
HIGH
| IRRITANCY
MEDIUM
| IRRITANCY
MEDIUM
| IRRITANCY
HIGH
| IRRITANCY
HIGH
| IRRITANCY
MEDIUM
| IRRITANCY
MEDIUM
| IRRITANCY
MEDIUM
| IRRITANCY
HIGH
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Ingredients & concentrations
All ingredients
Key Actives
salicylic acid
1.25% -
2.5%
Irritation risk:
Works for:
Anti-inflammatory,
Exfoliation,
Anti-blemish,
Antibacterial,
Evens skin tone
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
azelaic acid
23% -
35%
Irritation risk:
Works for:
Evens skin tone,
Anti-oxidation,
Anti-blemish,
Exfoliation
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
Show more
Potential irritants
salicylic acid
1.25% -
2.5%
Irritation risk:
Works for:
Anti-inflammatory,
Exfoliation,
Anti-blemish,
Antibacterial,
Evens skin tone
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
citrus nobilis peel oil
0.45% -
1.1%
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
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
azelaic acid
23% -
35%
Irritation risk:
Works for:
Evens skin tone,
Anti-oxidation,
Anti-blemish,
Exfoliation
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
lactic acid
5.8% -
8.8%
Irritation risk:
Works for:
Moisturizing,
Exfoliation,
Evens skin tone,
Anti-aging
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)
salicylic acid
1.25% -
2.5%
Irritation risk:
Works for:
Anti-inflammatory,
Exfoliation,
Anti-blemish,
Antibacterial,
Evens skin tone
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
Show more
Ingredient list view
Azelaic acid, Lactic acid, Salicylic acid, Unspecified form of vitamin c, Water, Sodium lactate, Lactic acid, Heptyl glucoside, Potassium azeloyl diglycinate, Triethyl citrate, Glyceryl caprylate, Salix nigra bark extract, Benzoic acid, Citrus nobilis peel oil, Citrus aurantium dulcis flower oil, Citrus grandis peel oil, Citrus tangerina peel oil, Heptanol, Parfum, Limonene
Sources
- Epidermal and dermal effects of topical lactic acid
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- Salicylic acid as a peeling agent: a comprehensive review
- Beta Hydroxy Acids
- A review of toxicity from topical salicylic acid preparations
- Glycolic Acid Peels Versus Salicylic–Mandelic Acid Peels in Active Acne Vulgaris and Post‐Acne Scarring and Hyperpigmentation: A Comparative Study
- Clinical and instrumental assessment of the effects of a new product based on hydroxypropyl chitosan and potassium azeloyl diglycinate in the management of rosacea
- A Preliminary Clinical Evaluation of a Topical Product for Reducing Slight Rosacea Imperfections
- Azeloyl-Glycine: A new active in skin disequilibrium
- Formulation and evaluation of the cream made from potassium azeloyl diglycinate as an anti-aging
- Citric Acid, Inorganic Citrate Salts and Alkyl Citrate Esters 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