YEOUTH Glycolic Acid Facial Toner

YEOUTH Glycolic Acid Facial Toner

Efficacy93/100IrritancyHigh

Works for

Exfoliation
Glycolic acid, Allantoin + 1 more
Works well
What the product description says
“Encourages exfoliation of old skin cells and enhances skin complexion”
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: glycolic acid.

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~5–7.5%
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~0.15–0.7%
Lactic acidUnder-dosedAn 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)~0.2–0.75%
Anti-aging
Glycolic acid, Sodium ascorbyl phosphate + 3 more
Works well
What the product description says
“Reduces the appearance of fine lines, wrinkles and enlarged pores”
Source: Lila Beauty

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.

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~5–7.5%
Sodium ascorbyl phosphateEffect: Low, below effective doseA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C~0.3–0.7%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.15–0.65%
Camellia sinensis leaf extractEffect: Low, below effective doseCan 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~0.1–0.35%
Lactic acidUnder-dosedAn 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)~0.2–0.75%
Evens skin tone
Glycolic acid, Camellia sinensis leaf extract + 1 more
Works well
What the product description says
“Yeouth Glycolic Acid Facial Toner helps to even out skin tone and improve skin appearance.”
Source: Lila Beauty

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

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~5–7.5%
Camellia sinensis leaf extractEffect: Low, below effective doseCan 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~0.1–0.35%
Lactic acidUnder-dosedAn 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)~0.2–0.75%
Moisturizing
Methyl gluceth-20, Glycerin + 8 more
Works
What the product description says
“Increases skin hydration and leaves the skin feeling smooth”
Source: Lila Beauty

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. 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. The following ingredients in this product do the job: arginine, glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: arginine.

Methyl gluceth-20Key active· HumectantEffect: MediumHelps attract water to the upper layer of the skin and soften it~2.7–4%
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~1.5–2.2%
Sodium pcaKey active· HumectantEffect: HighNaturally present in skin and helps to attract water to its upper layer~0.6–1.4%
ArginineKey active· Humectant, OcclusiveEffect: HighAn amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin~0.3–0.75%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~1.6–2.5%
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~0.5–1.15%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.15–0.65%
Camellia sinensis leaf extractEffect: Low, below effective doseCan 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~0.1–0.35%
Lactic acidUnder-dosedAn 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)~0.2–0.75%
AllantoinUnder-dosedHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.15–0.7%

Can it cause trouble?

Irritancy
10 strong irritants: Alcohol, Hamamelis virginiana extract + 8 more — patch-test recommended
High risk
We flagged 17 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
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~5–7.5%est.
AlcoholCan be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial propertiesHigh~3.7–5.6%est.
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~1.6–2.5%est.
Hamamelis virginiana extractA plant extract that can help calm down inflammation in skin. Can, however, itself be irritatingHigh~1.2–1.8%est.
Melaleuca alternifolia leaf oilAn essential oil that can be irritating. Has some anti-bacterial propertiesHigh~0.1–0.45%est.
Lavandula angustifolia oilAn essential oil. Potential allergen and can be irritating. It has some anti-bacterial propertiesHigh~0.1–0.45%est.
Cymbopogon flexuosus oil—High~0.1–0.45%est.
Mentha piperita oilUsed as a fragrance and can be irritatingHigh~0.1–0.35%est.
Chamomilla recutita flower extractPlant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritatingHigh~0.05–0.3%est.
CitralA fragrance with a lemon scent. A likely irritantHigh~0.05–0.2%est.
CitronellolA fragrance. Can be irritatingHigh~0.05–0.15%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.1%est.
LinaloolA fragrance. Can be irritatingHigh~0.01–0.1%est.
Sodium ascorbyl phosphateA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin CMedium~0.3–0.7%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~0.2–0.75%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.2–0.75%est.
Aloe barbadensis leaf juiceTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~0.15–0.65%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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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
Glycolic acid~5–7.5%
Key activeIrritant · high
Irritation risk
High
Works for
Evens skin toneExfoliationAnti-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
Alcohol~3.7–5.6%
Irritant · high
Irritation risk
High
Works for
Antibacterial

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

More about Alcohol
Methyl gluceth-20~2.7–4%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and soften it

More about Methyl gluceth-20
Polysorbate 20~2–3%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Propylene glycol~1.6–2.5%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Glycerin~1.5–2.2%
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
Hamamelis virginiana extract~1.2–1.8%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatory

A plant extract that can help calm down inflammation in skin. Can, however, itself be irritating

More about Hamamelis virginiana extract
Sodium hydroxide~1–1.5%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Sodium pca~0.6–1.4%
Key active
Irritation risk
Low
Works for
Moisturizing

Naturally present in skin and helps to attract water to its upper layer

More about Sodium pca
Butylene glycol~0.5–1.15%
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
Phenoxyethanol~0.4–0.9%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Allantoin~0.15–0.7%
Under-dosed
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryReduces 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
Arginine~0.3–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin

More about Arginine
Sodium ascorbyl phosphate~0.3–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Anti-blemishAnti-oxidationAnti-aging

A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C

More about Sodium ascorbyl phosphate
Lactic acid~0.2–0.75%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Evens skin toneExfoliationMoisturizingAnti-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
Citric acid~0.2–0.75%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Aloe barbadensis leaf juice~0.15–0.65%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingReduces rednessReduces irritationAntibacterialAnti-inflammatoryAnti-blemishAnti-aging

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf juice
Melaleuca alternifolia leaf oil~0.1–0.45%
Irritant · high
Irritation risk
High
Works for
Antibacterial

An essential oil that can be irritating. Has some anti-bacterial properties

More about Melaleuca alternifolia leaf oil
Lavandula angustifolia oil~0.1–0.45%
Irritant · high
Irritation risk
High

An essential oil. Potential allergen and can be irritating. It has some anti-bacterial properties

More about Lavandula angustifolia oil
Cymbopogon flexuosus oil~0.1–0.45%
Irritant · high
Mentha piperita oil~0.1–0.35%
Irritant · high
Irritation risk
High

Used as a fragrance and can be irritating

More about Mentha piperita oil
Camellia sinensis leaf extract~0.1–0.35%
Formula
Irritation risk
Low
Works for
Anti-oxidationAntibacterialAnti-agingAnti-blemishEvens skin toneMoisturizing

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

More about Camellia sinensis leaf extract
Chamomilla recutita flower extract~0.05–0.3%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatory

Plant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritating

More about Chamomilla recutita flower extract
Citral~0.05–0.2%
Irritant · high
Irritation risk
High

A fragrance with a lemon scent. A likely irritant

More about Citral
Citronellol~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Limonene~0.05–0.1%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Linalool~0.01–0.1%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Ingredient list view

Water, Glycolic acid, Alcohol, Methyl gluceth-20, Polysorbate 20, Propylene glycol, Glycerin, Hamamelis virginiana extract, Sodium hydroxide, Sodium pca, Butylene glycol, Phenoxyethanol, Allantoin, Arginine, Sodium ascorbyl phosphate, Lactic acid, Citric acid, Aloe barbadensis leaf juice, Melaleuca alternifolia leaf oil, Lavandula angustifolia oil, Cymbopogon flexuosus oil, Mentha piperita oil, Camellia sinensis leaf extract, Chamomilla recutita flower extract, Citral, Citronellol, Limonene, Linalool

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Amazon USPrice as of 11/7 09:23 GMT
$17.01
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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
YEOUTHGlycolic Acid Facial TonerYOUR PRODUCTPeter Thomas RothGlycolic Acid 8% TonerPaula's choiceResist Weekly Resurfacing Treatment with 10% AHAZO Skin HealthExfoliation Accelerator
Match—70%63%63%
Price$17.01$39.75+$22.74$49.52+$32.51$69.99+$52.98
Shared key ingredients—6 of 73 of 73 of 7
Key difference——Sodium Ascorbyl PhosphateLactic Acid
Irritancy High Medium Low Medium
Drying alcohol Contains drying alcohol Contains drying alcohol ——
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Product summary

"YEOUTH - Glycolic Acid Facial Toner" is effective for: Exfoliation, Evens skin tone and Anti-aging

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

Ingredient callouts

  • Exfoliating acids (lactic acid 0.20% - 0.75% and glycolic acid 5.00% - 7.50%). In this concentration, they will have a noticeable exfoliating effect. They can also have an anti-aging effect and stimulate collagen production in a long-run. Lactic Acid can also help to attract water to the upper layer (works as a humectant).
  • Humectants (arginine 0.30% - 0.75%, pca 0.60% - 1.40% and glycerin 1.50% - 2.20%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails for 22.00A$ 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 20 studies and safety reviews.

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
    Propylene Glycolpubmed.ncbi.nlm.nih.gov
  6. 6
YEOUTH Glycolic Acid Facial Toner
YEOUTHGlycolic Acid Facial Toner

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As an Amazon Associate, WIMJ earns from qualifying purchases.