Dr Dennis Gross - 20th Anniversary Alpha Beta Extra Strength Peel

Dr Dennis Gross 20th Anniversary Alpha Beta Extra Strength Peel

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Can it work? Irritants Ingredient concentrations Sources Similar products Q&A Where to buy
WORKS FOR
  • Anti-aging
  • Exfoliation
  • Evens skin tone
  • Anti-blemish
  • Moisturizing
  • Anti-oxidation
  • +3 more
KEY INGREDIENTS
  • glycolic acid
  • salicylic acid
  • lactic acid
  • camellia sinensis leaf extract
  • copper pca
  • mandelic acid
  • zinc pca
  • +4 more
PROMISES
FULFILLED
100 /100
IRRITANCY
HIGH
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Formula review

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WIMJ summary

This product can help reduce breakouts and clogged pores because it contains the following ingredient: salicylic acid. This ingredient is used for treating acne and can have a noticeable effect.

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: glycolic acid, mandelic acid, zinc pca

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
MEDIUM
meets threshold
MEDIUM
meets threshold
See a mistake?
WIMJ summary

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains glycolic acid.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
LOW
meets threshold
MEDIUM
does not meet threshold
See a mistake?
Promise
What does the product description say?
"Rejuvenating Vitamins discourage the appearance of excess oil, reducing the look of shine to leave a matte finished aesthetic, while the look of discolouration and an uneven skin tone is visibly balanced."
WIMJ summary

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: glycolic acid, mandelic acid, salicylic acid

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
HIGH
meets threshold
LOW
meets threshold
See a mistake?
Promise
What does the product description say?
"Highly-concentrated doses of seven replenishing Alpha Beta® Acids work to buff away dead, waxy skin, revealing a complexion that is luminous and brilliant."
WIMJ summary

This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: glycolic acid, mandelic acid, salicylic acid.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
HIGH
meets threshold
HIGH
meets threshold
See a mistake?
WIMJ summary

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": copper pca, zinc pca.

When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
HIGH
meets threshold
HIGH
does not meet threshold
See a mistake?
WIMJ summary

This product contains antioxidants (achillea millefolium extract, zinc pca). In theory, they could help neutralize free radicals in skin and lessen the damage it gets from the UV light (sun), but there is no evidence that these ingredients can have a noticeable effect in skin.

Ingredient Effectiveness Concentration Irritancy
LOW
meets threshold
LOW
meets threshold
MEDIUM
does not meet threshold

Potential irritants

IRRITANCY
HIGH

Ingredients by volume

Ingredient Estimated concentration
Plain old water
45% - 55%
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
7.7% - 9.4%
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
4.4% - 5.3%
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
3.1% - 3.8%
Used to adjust the pH level of products
2.3% - 2.8%
A plant extract that can help calm down inflammation in skin. Can, however, itself be irritating
1.7% - 2.1%
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)
1.2% - 1.4%
Helps oil and water mix together
1.4% - 1.7%
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 microbiom)
1.1% - 1.3%
Helps shed the upper layer of dead cells from the surface of the skin revealing smoother, brighter skin. It can help to reduce hyperpigmentation. It has anti-bacterial properties, and might help to reduce blemishes, as well as fine lines and wrinkles. It is considered to be gentler than glycolic acid
0.9% - 1.1%
Helps adjust the product pH
0.65% - 0.95%
Can work as an exfoliant but is typically used to adjust the product pH
0.55% - 0.8%
A plant extract that can help neutralize free radicals in skin. It contains a compound salicin that can theoretically be converted into salicylic acid that, in turn, helps reduce inflammation in skin, but the evidence of effectiveness in skin is lacking and the extract is usually not used in a concentration that would enable an exfoliating effect
0.25% - 0.5%
0.45% - 0.65%
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
0.4% - 0.6%
Plant extract that can help neutralize free radicals in skin. Can be used as a fragrance. Can be irritating
0.45% - 0.7%
A plant extract that one one hand, can contain compounds that can help calm down skin irritation, but, on the other hand, its other compounds (especially fragrant ones) can themselves be irritating
0.3% - 0.6%
0.3% - 0.55%
Helps attract water to the upper layer of the skin
0.3% - 0.5%
A compound that combines zinc with a hydrating ingredient PCA. Might to be helpful against acne and clogged pores. Can help calm down inflammation in skin. Could be helpful in reducing the formation of free radicals in skin. Might help to reduce fine lines in wrinkles, but solid evidence is missing
0.3% - 0.55%
Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin
0.3% - 0.5%
Stabilizes the product formulation
0.2% - 0.35%
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
0.2% - 0.35%
Helps water and oil mix together
0.2% - 0.4%
An aromatic blend of unspecified and possibly irritating ingredients
0.15% - 0.25%
A fragrance. Can be irritating
0.1% - 0.2%
A fragrance. Is a likely irritant
0.1% - 0.2%
A preservative
0.1% - 0.2%
A preservative. It helps prevent bacterial growth in cosmetic products
0.1% - 0.2%
A preservative
0.05% - 0.15%

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