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ISNTREE Hyper Acid 4 AHA BHA PHA LHA 30 Serum
ISNTREE

ISNTREE Hyper Acid 4 AHA BHA PHA LHA 30 Serum

Efficacy93/100IrritancyLow
See all ingredients

Works for

Exfoliation
Gluconolactone, Lactic acid + 4 more
Works well
What the product description says
“Enriched with 30% of AHA, BHA, PHA and LHA that offers gentle exfoliation and helps control excessive sebum production to achieve smooth and clean skin.”
Source: Lila Beauty

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: capryloyl salicylic acid, gluconolactone, glycolic acid, lactic acid, salicylic acid.

GluconolactoneKey activeEffect: HighA 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~4.9–7.4%
Lactic acidKey activeEffect: HighAn 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)~3.7–5.5%
Glycolic acidKey activeEffect: HighAn 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~2–3.1%
Salicylic acidKey activeEffect: HighUsed 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)~0.2–0.75%
Capryloyl salicylic acidKey activeEffect: High~0.05–0.3%
AllantoinEffect: Low, below effective doseHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.15–0.6%
Evens skin tone
Gluconolactone, Lactic acid + 4 more
Works well
What the product description says
“Contains Niacinamide and Allantoin for evening skin tone while keeping skin hydrated and smooth.”
Source: Lila Beauty

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

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually can help even out the skin tone: capryloyl 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.

GluconolactoneKey activeEffect: HighA 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~4.9–7.4%
Lactic acidKey activeEffect: HighAn 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)~3.7–5.5%
Glycolic acidKey activeEffect: HighAn 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~2–3.1%
Capryloyl salicylic acidKey activeEffect: Medium~0.05–0.3%
Salicylic acidEffect: LowUsed 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)~0.2–0.75%
NiacinamideUnder-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.3–0.75%
Anti-aging
Gluconolactone, Lactic acid + 2 more
Works well
What the product description says
“Formulated with Peat Water that helps improve skin elasticity and cell turnover for creating youthful-looking and plump skin.”
Source: Lila Beauty

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

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: lactic 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.

GluconolactoneKey activeEffect: HighA 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~4.9–7.4%
Lactic acidKey activeEffect: MediumAn 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)~3.7–5.5%
Glycolic acidKey activeEffect: HighAn 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~2–3.1%
NiacinamideUnder-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.3–0.75%
Moisturizing
Gluconolactone, Lactic acid + 5 more
Works
What the product description says
“Contains Niacinamide and Allantoin for evening skin tone while keeping skin hydrated and smooth.”
Source: Lila Beauty

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin, lactic acid.

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).

GluconolactoneKey activeEffect: HighA 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~4.9–7.4%
Lactic acidKey active· HumectantEffect: HighAn 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)~3.7–5.5%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~1.1–1.6%
Glyceryl caprylate· EmollientEffect: LowAn emollient that can also help water and oil mix together, as well as prevent bacteria growth in products~0.35–0.85%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.05–0.25%
NiacinamideUnder-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.3–0.75%
AllantoinUnder-dosedHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.15–0.6%
Anti-blemish
Not advertised by the brand · Salicylic acid, Gluconolactone + 4 more
Works well

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: capryloyl salicylic acid, gluconolactone, glycolic acid

Salicylic acidHeroEffect: HighUsed 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)~0.2–0.75%
GluconolactoneKey activeEffect: MediumA 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~4.9–7.4%
Glycolic acidKey activeEffect: MediumAn 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~2–3.1%
Capryloyl salicylic acidKey activeEffect: Medium~0.05–0.3%
AllantoinEffect: Low, below effective doseHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.15–0.6%
NiacinamideUnder-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.3–0.75%
Anti-oxidation
Not advertised by the brand · Gluconolactone
May help

This product contains antioxidants (gluconolactone) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

GluconolactoneKey activeEffect: MediumA 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~4.9–7.4%

Can it cause trouble?

Irritancy
15 flagged ingredients
Low risk
We flag 15 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Glycolic acidAn 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 acidHigh~2–3.1%est.
Salicylic acidUsed 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)High~0.2–0.75%est.
Capryloyl salicylic acid—High~0.05–0.3%est.
GluconolactoneA 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 radicalsMedium~4.9–7.4%est.
Lactic acidAn 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)Medium~3.7–5.5%est.
MethylpropanediolHelps dissolve other ingredients in a formulationMedium~2.8–4.1%est.
Potassium hydroxideUsed to adjust the pH level of productsMedium~1.7–2.5%est.
1,2-hexanediolA preservativeMedium~0.55–1.25%est.
Polyglyceryl-10 laurateHelps water and oil mix togetherMedium~0.5–1.15%est.
Acacia senegal gumHelps mask the small of other ingredients and improve the product textureMedium~0.4–1%est.
Disodium edtaStabilizes the product formulationMedium~0.15–0.55%est.
EthylhexylglycerinA preservativeMedium~0.1–0.5%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.1–0.35%est.
Hydroxypropyl methylcelluloseUsed to create a thicker product consistency and stabilize the formulationMedium~0.1–0.35%est.
Potassium sorbateA preservativeMedium~0.05–0.25%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
Alternatives
Cheaper, or higher on efficacy
Solution
Glossier Solution
Higher efficacy · 100/10089% match
$30.00
Clear Exfoliating Serum for Blemishes with 10% AHA + BHA Blend
Facile Clear Exfoliating Serum for Blemishes with 10% AHA + BHA Blend
Higher efficacy · 100/10084% match
$38.00
View all alternatives

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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Gluconolactone~4.9–7.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
ExfoliationEvens skin toneMoisturizingAnti-agingAnti-blemishAnti-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

More about Gluconolactone
Lactic acid~3.7–5.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Evens skin toneMoisturizingExfoliationAnti-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)

More about Lactic acid
Methylpropanediol~2.8–4.1%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol
Glycolic acid~2–3.1%
Key activeIrritant · high
Irritation risk
High
Works for
ExfoliationEvens skin toneAnti-agingAnti-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

More about Glycolic acid
Potassium hydroxide~1.7–2.5%
Irritant · medium
Irritation risk
Medium

Used to adjust the pH level of products

More about Potassium hydroxide
1,2-hexanediol~0.55–1.25%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Diethoxyethyl succinate~1.3–1.9%
Formula
Irritation risk
Low

Helps dissolve other ingredients in the formulation

More about Diethoxyethyl succinate
Glycerin~1.1–1.6%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Xanthan gum~0.8–1.25%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Polyglyceryl-10 laurate~0.5–1.15%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Polyglyceryl-10 laurate
Acacia senegal gum~0.4–1%
Irritant · medium
Irritation risk
Medium

Helps mask the small of other ingredients and improve the product texture

More about Acacia senegal gum
Polyglyceryl-10 myristate~0.4–0.9%
Formula
Irritation risk
Low
More about Polyglyceryl-10 myristate
Glyceryl caprylate~0.35–0.85%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that can also help water and oil mix together, as well as prevent bacteria growth in products

More about Glyceryl caprylate
Niacinamide~0.3–0.75%
Under-dosed
Irritation risk
Low
Works for
MoisturizingEvens skin toneAnti-blemishAnti-agingReduces irritationReduces rednessAnti-inflammatoryAntibacterial

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
Salicylic acid~0.2–0.75%
Hero · Anti-blemishIrritant · high
Irritation risk
High
Works for
Anti-blemishExfoliationAnti-inflammatoryAntibacterialEvens 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)

More about Salicylic acid
Allantoin~0.15–0.6%
Under-dosed
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationReduces rednessAnti-blemishExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Disodium edta~0.15–0.55%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Ethylhexylglycerin~0.1–0.5%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Peat water~0.1–0.5%
Formula
Irritation risk
Low
More about Peat water
Citric acid~0.1–0.35%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
Hydroxypropyl methylcellulose~0.1–0.35%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Hydroxypropyl methylcellulose
Capryloyl salicylic acid~0.05–0.3%
Key activeIrritant · high
Irritation risk
High
Works for
ExfoliationEvens skin toneAnti-blemish
More about Capryloyl salicylic acid
Butylene glycol~0.05–0.25%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Potassium sorbate~0.05–0.25%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Charcoal powder~0.1–0.35%
Formula
Irritation risk
Low

Benefits for the skin are not clear

More about Charcoal powder
Ingredient list view

Water, Gluconolactone, Lactic acid, Methylpropanediol, Glycolic acid, Potassium hydroxide, 1,2-hexanediol, Diethoxyethyl succinate, Glycerin, Xanthan gum, Polyglyceryl-10 laurate, Acacia senegal gum, Polyglyceryl-10 myristate, Glyceryl caprylate, Niacinamide, Salicylic acid, Allantoin, Disodium edta, Ethylhexylglycerin, Peat water, Citric acid, Hydroxypropyl methylcellulose, Capryloyl salicylic acid, Butylene glycol, Potassium sorbate, Charcoal powder

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🇦🇺 Lila Beauty (AU)20 ml
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
ISNTREEHyper Acid 4 AHA BHA PHA LHA 30 SerumYOUR PRODUCTGlossierSolutionFacileClear Exfoliating Serum for Blemishes with 10% AHA + BHA BlendTOUN28AHA + BHA + PHA Serum
Match—89%84%78%
Price—$30.00$38.00$37.90
Shared key ingredients—6 of 86 of 84 of 8
Key difference———Panthenol
Irritancy Low Low Low Low
Drying alcohol————
View product Shop Shop Shop
  • matches yours
  • differs
  • cheaper

More alternatives: CeraVe Salicylic Acid Acne Control Gel, Acne Treatment for FacePacifica Beauty Glow Baby Liquid Exfoliant 5% AHA + BHA

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Product summary

"ISNTREE - Buy Isntree Hyper Acid 4 AHA BHA PHA LHA 30 Serum Australia - Korean Skin Care and Cosmetics" is effective for: Anti-aging, Evens skin tone and Exfoliation

This product could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Exfoliating acids in a high total concentration (glycolic acid 2.00% - 3.10% and lactic acid 3.70% - 5.50%). This is a strong peel. It removes the top layer of the dead skin cells, revealing a "fresher" skin. It can also have an anti-aging effect and stimulate collagen production in a long-run. But we recommend to use this product with caution to avoid over-exfoliation (no more than 1-2x a week). Over-exfoliation can seriously damage your skin barrier and lead to sensitivity and even trigger pigmentation issues. PHAs (gluconolactone 4.90% - 7.40%) in this product are milder exfoliators. In addition to exfoliation, they also help skin hydration.
  • Humectants (glycerin 1.10% - 1.60% and lactic acid 3.70% - 5.50%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

About the brand

According to Cruelty-Free Kitty "ISNTREE" is cruelty free and so is its parent company.

Price

The product retails for 23.50A$ in Australia.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 26 studies and safety reviews.

  1. 1
    A comparative study of gluconolactone versus benzoyl peroxide in the treatment of acnencbi.nlm.nih.gov
  2. 2
    The Polyhydroxy Acid Gluconolactone Protects Against Ultraviolet Radiation in an In Vitro Model of Cutaneous Photoagingonlinelibrary.wiley.com
  3. 3
    Applications of hydroxy acids: classification, mechanisms, and photoactivityncbi.nlm.nih.gov
  4. 4
    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 studydovepress.com
  5. 5
    A polyhydroxy acid skin care regimen provides antiaging effects comparable to an alpha-hydroxyacid regimenncbi.nlm.nih.gov
  6. 6
    The use of polyhydroxy acids (PHAs) in photoaged skin
ISNTREE Hyper Acid 4 AHA BHA PHA LHA 30 Serum
ISNTREEHyper Acid 4 AHA BHA PHA LHA 30 Serum
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As an Amazon Associate, WIMJ earns from qualifying purchases.