PRODUCT REVIEW
Peter Thomas Roth PRO Strength 10% PHA Exfoliating Clarifying Liquid
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Price as of 6/22/2024 3:13 GMT.
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What can the product work for?
Anti-blemish
What does the product description say?
Dullness, Uneven Texture, and Acne and Blemishes Formulation.
salicylic acid
0.5% -
1.2%
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)
glycolic acid
2% -
3%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
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Evens skin tone
What does the product description say?
Dullness, Uneven Texture, and Acne and Blemishes Formulation.
glycolic acid
2% -
3%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
gluconolactone
4.9% -
7.4%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
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Exfoliation
What does the product description say?
PRO Strength 10% PHA Exfoliating Clarifying Liquid
glycolic acid
2% -
3%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
gluconolactone
4.9% -
7.4%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
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Moisturizing
What does the product description say?
An alpha hydroxy acid that helps improve the look of radiance, uneven skin tone and smoothness. . Salicylic Acid (BHA) 0.
gluconolactone
4.9% -
7.4%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
sphingolipids
0.4% -
0.9%
Irritation risk:
Concentration: Effectiveness: HIGH
Sphingolipids are a group of lipids with a common chemical structure. Some of them are naturally present in skin and can be converted to ceramides
phospholipids
0.4% -
0.95%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Emollients that are naturaly present in skin. In addition, they help water and oil mix together in the product
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Anti-aging
glycolic acid
2% -
3%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
gluconolactone
4.9% -
7.4%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
lactic acid
1.4% -
2.1%
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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Anti-oxidation
gluconolactone
4.9% -
7.4%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
tocopherol
0.2% -
0.7%
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
ascorbyl palmitate
0.3% -
0.7%
Irritation risk:
Concentration: Insufficient!
Being a lipid soluble form of vitamin C, it is more stable and can penetrate the skin better than L-Ascorbic acid. It is effective in protecting the skin from free radicals, as well as evening the skin tone, but is less effective in stimulating collagen production compared to L-Ascorbic acid.
Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Exfoliation | |
| Evens skin tone | |
| Anti-blemish | |
| Moisturizing |
Total Promises Fulfilled score:
93/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
glycolic acid
2% -
3%
Irritation risk:
Works for:
Exfoliation,
Anti-aging,
Evens skin tone,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
hamamelis virginiana water
1.5% -
2.3%
Irritation risk:
Works for:
Anti-inflammatory
A plant extract that can help calm down inflammation in skin. Can, however, itself be irritating
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Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
Similar products & dupes
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| Irritancy | IRRITANCY
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Ingredients & concentrations
All ingredients
Key Actives
gluconolactone
4.9% -
7.4%
Irritation risk:
Works for:
Exfoliation,
Moisturizing,
Anti-aging,
Evens skin tone,
Anti-blemish,
Anti-oxidation
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
salicylic acid
0.5% -
1.2%
Irritation risk:
Works for:
Anti-blemish,
Exfoliation,
Anti-inflammatory,
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
Potential irritants
glycolic acid
2% -
3%
Irritation risk:
Works for:
Exfoliation,
Anti-aging,
Evens skin tone,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
hamamelis virginiana water
1.5% -
2.3%
Irritation risk:
Works for:
Anti-inflammatory
A plant extract that can help calm down inflammation in skin. Can, however, itself be irritating
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
gluconolactone
4.9% -
7.4%
Irritation risk:
Works for:
Exfoliation,
Moisturizing,
Anti-aging,
Evens skin tone,
Anti-blemish,
Anti-oxidation
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
Show more
Ingredient list view
Water, Gluconolactone, Isopentyldiol, Sodium hydroxide, Glycolic acid, Hamamelis virginiana water, Lactic acid, Ethoxydiglycol, Polyglyceryl-4 caprate, Salicylic acid, Capryloyl salicylic acid, Phospholipids, Sphingolipids, Ascorbyl palmitate, Tocopherol, Lecithin, Potassium sorbate, Sodium benzoate, Benzoic acid, Sodium citrate, Hydrogenated palm glycerides citrate, Disodium edta, Phenoxyethanol
Sources
- A comparative study of gluconolactone versus benzoyl peroxide in the treatment of acne
- The Polyhydroxy Acid Gluconolactone Protects Against Ultraviolet Radiation in an In Vitro Model of Cutaneous Photoaging
- Applications of hydroxy acids: classification, mechanisms, and photoactivity
- The efficacy of glycolic acid, salicylic acid, gluconolactone, and licochalcone A combined with 0.1% adapalene vs adapalene monotherapy in mild-to-moderate acne vulgaris: a double-blinded within-person comparative study
- A polyhydroxy acid skin care regimen provides antiaging effects comparable to an alpha-hydroxyacid regimen
- The use of polyhydroxy acids (PHAs) in photoaged skin
- Blackwell Publishing, Ltd. Alpha-hydroxyacids and carboxylic acids
- An evaluation of a polyhydroxy acid skin care regimen in combination with azelaic acid 15% gel in rosacea patients
- Aging Skin: Causes, Treatments, and Prevention
- Clinical and cosmeceutical uses of hydroxyacids
- Polyhydroxy Acids (PHAs) Provide Conditioning Effects to Skin Without Increasing Sensitivity to UV Light
- Photoprotective and antiinflammatory effects of topical glycolic acid
- Glycolic acid peel therapy – a current review
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- 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
- The role of epidermal sphingolipids in dermatologic diseases
- Vitamin E in dermatology