Iossi Green tea tonic

Iossi Green tea tonic

Efficacy75/100IrritancyHigh

Works for

Moisturizing
Gluconolactone, Sodium hyaluronate + 6 more
Works

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": betaine, sodium hyaluronate.

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~2.7–4.1%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~2–3.1%
InulinKey activeEffect: HighHelps attract water to the upper layer of the skin. Is claimed to support the growth of "good" bacteria in skin (as a "prebiotic"), but the research is lacking~1.4–2.2%
Yeast extractKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin~1.3–1.9%
BetaineKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and improves the product texture~0.4–0.95%
Rosa damascena flower water· HumectantEffect: LowUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating~6.8–10.2%
Camellia sinensis leaf extractEffect: LowCan 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~3.8–5.6%
Dipotassium glycyrrhizateUnder-dosedA salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening~0.85–1.25%
Anti-aging
Side benefit · Gluconolactone, Camellia sinensis leaf extract
Works well

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

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~2.7–4.1%
Camellia sinensis leaf extractEffect: LowCan 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~3.8–5.6%
Exfoliation
Side benefit · Gluconolactone
Works well

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: gluconolactone.

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~2.7–4.1%
Evens skin tone
Side benefit · Gluconolactone, Camellia sinensis leaf extract + 2 more
Works well

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

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: yeast extract.

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~2.7–4.1%
Camellia sinensis leaf extractEffect: LowCan 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~3.8–5.6%
Yeast extractEffect: LowHelps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin~1.3–1.9%
Dipotassium glycyrrhizateEffect: Low, below effective doseA salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening~0.85–1.25%
Anti-oxidation
Side benefit · Camellia sinensis leaf extract, Gluconolactone + 2 more
May help

This product contains antioxidants (camellia sinensis leaf extract, gluconolactone, yeast extract) 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.

Camellia sinensis leaf extractKey activeEffect: MediumCan 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~3.8–5.6%
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~2.7–4.1%
Yeast extractKey activeEffect: MediumHelps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin~1.3–1.9%
Rosa damascena flower waterEffect: LowUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating~6.8–10.2%

Can it cause trouble?

Irritancy
11 flagged ingredients — patch-test recommended
High risk
We flagged 11 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Rosa damascena flower waterUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritatingHigh~6.8–10.2%est.
Salvia officinalis leaf extractSage leaf extract. It can be irritatingHigh~0.3–0.75%est.
Citrus reticulata peel oilAn essential oil used for fragrance. Can be an allergen and irritantHigh~0.1–0.4%est.
CitralA fragrance with a lemon scent. A likely irritantHigh~0.05–0.25%est.
CitronellolA fragrance. Can be irritatingHigh~0.05–0.25%est.
GeraniolA 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.
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~2.7–4.1%est.
Leuconostoc/radish root ferment filtrateA preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determineMedium~0.55–1.25%est.
Potassium sorbateA preservativeMedium~0.3–0.6%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
Rosa damascena flower water~6.8–10.2%
Irritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

Used to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating

More about Rosa damascena flower water
Camellia sinensis leaf extract~3.8–5.6%
Key active
Irritation risk
Low
Works for
Anti-oxidationAntibacterialAnti-agingMoisturizingAnti-blemishEvens skin tone

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
Gluconolactone~2.7–4.1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-agingEvens skin toneExfoliationAnti-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
Sodium hyaluronate~2–3.1%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Malic acid~1.7–2.6%
Formula
Irritation risk
Low

Helps adjust the product pH

More about Malic acid
Inulin~1.4–2.2%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-blemish

Helps attract water to the upper layer of the skin. Is claimed to support the growth of "good" bacteria in skin (as a "prebiotic"), but the research is lacking

More about Inulin
Yeast extract~1.3–1.9%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryReduces irritationAnti-oxidationEvens skin tone

Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin

More about Yeast extract
Sodium cocoyl hydrolyzed rice protein~1–1.5%
Formula
Irritation risk
Low
Works for
Cleansing
More about Sodium cocoyl hydrolyzed rice protein
Dipotassium glycyrrhizate~0.85–1.25%
Under-dosed
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryEvens skin tone

A salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening

More about Dipotassium glycyrrhizate
Leuconostoc/radish root ferment filtrate~0.55–1.25%
Irritant · medium
Irritation risk
Medium

A preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determine

More about Leuconostoc/radish root ferment filtrate
Propanediol~0.45–1.05%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Betaine~0.4–0.95%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and improves the product texture

More about Betaine
Polyglyceryl-4 caprate~0.4–0.9%
Formula
Irritation risk
Low
Works for
Cleansing
More about Polyglyceryl-4 caprate
Sodium benzoate~0.25–0.5%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Potassium sorbate~0.3–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Salvia officinalis leaf extract~0.3–0.75%
Irritant · high
Irritation risk
High

Sage leaf extract. It can be irritating

More about Salvia officinalis leaf extract
Urtica dioica leaf extract~0.15–0.55%
Formula
Thymus hiemalis leaf oil
Not recognized
Citrus reticulata peel oil~0.1–0.4%
Irritant · high
Irritation risk
High

An essential oil used for fragrance. Can be an allergen and irritant

More about Citrus reticulata peel oil
Copaifera reticulata balsam oil~0.1–0.3%
Formula
Citral~0.05–0.25%
Irritant · high
Irritation risk
High

A fragrance with a lemon scent. A likely irritant

More about Citral
Citronellol~0.05–0.25%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

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

A fragrance. Can be irritating

More about Geraniol
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, Rosa damascena flower water, Camellia sinensis leaf extract, Gluconolactone, Sodium hyaluronate, Malic acid, Inulin, Yeast extract, Sodium cocoyl hydrolyzed rice protein, Dipotassium glycyrrhizate, Leuconostoc/radish root ferment filtrate, Propanediol, Betaine, Polyglyceryl-4 caprate, Sodium benzoate, Potassium sorbate, Salvia officinalis leaf extract, Urtica dioica leaf extract, Unknown, Citrus reticulata peel oil, Copaifera reticulata balsam oil, Citral, Citronellol, Geraniol, Limonene, Linalool

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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
IossiGreen tea tonicYOUR PRODUCTSkinfixBarrier+ Nutrient Water Misting TonicMyChelle DermaceuticalsUltra Hyaluronic Beauty MistGrown AlchemistSkincare Detox Toner
Match—56%52%51%
Price——$16.00$53.02
Shared key ingredients—3 of 72 of 73 of 7
Key difference—PanthenolTripeptide-29Oligopeptide-1
Irritancy High Medium Medium High
Drying alcohol————
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Product summary

"Iossi - Green tea tonic" is effective for: Anti-aging, Exfoliation and Evens skin tone

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

Ingredient callouts

  • This product contains acids (gluconolactone 2.70% - 4.10%). Their concentration is low, and they will not have a strong exfoliating effect. Instead, they work to support the skin natural acid mantle and to attract water (as humectants). PHAs (gluconolactone) especially are great for improving skin hydration. They might be even able to stimulate the production of skin's natural humectants and support the healthy skin microbiome.
  • Dipotassium Glycyrrhizate in this product (0.85% - 1.25%) can also further help improve the skin barrier. It might be able to calm down inflammation and reduce sensitivity. Dipotassium Glycyrrhizate is an active compound from the licorice root.
  • Humectants (betaine 0.40% - 0.95%, yeast extract 1.30% - 1.90% and sodium hyaluronate 2.00% - 3.10%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 20 studies and safety reviews.

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Iossi Green tea tonic
IossiGreen tea tonic

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As an Amazon Associate, WIMJ earns from qualifying purchases.