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Shiseido Uno Skin Barrier Lotion
Shiseido

Shiseido Uno Skin Barrier Lotion

Efficacy58/100IrritancyMedium
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Works for

2 of 3 advertised claims delivered

Evens skin tone
2 ingredients credited for this claim
Strong support
What the product description says
“Contains active ingredient tranexamic acid to suppress melanin production and reduce the appearance of blemishes and prevent the formation of dark spots for smooth and clear skin.”
Source: Yesstyle

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

Tranexamic acidKey activeEffect: HighAn amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally~26–39%
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~0.35–0.85%
Moisturizing
13 ingredients credited for this claim
Good support
What the product description says
“A great addition to men’s skin care post-cleansing and shaving, this lotion prevents dryness, firms skin and locks in moisture.”
Source: Yesstyle

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: erythritol, 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: squalane, isostearyl alcohol.

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.15–0.6%
SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~0.2–0.75%
Tranexamic acidKey activeEffect: HighAn amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally~26–39%
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~2.3–3.5%
ErythritolKey active· HumectantEffect: HighHelps to attract water to the upper layer of the skin~0.45–1.05%
Sodium acetylated hyaluronateKey active· HumectantEffect: HighA type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid~0.15–0.65%
Peg/ppg-14/7 dimethyl etherKey active· EmollientEffect: MediumAn emollient that helps soften the skin. It also forms a protective on its surface to reduce water loss~0.5–1.15%
Tamarindus indica seed gumKey activeEffect: MediumHelps to attract water to the upper layer of the skin and create a nice product finish on the skin~0.1–0.3%
Isostearyl alcoholKey active· EmollientEffect: MediumHelps soften the upper layer of the skin~0.9–1.35%
Peg-32· HumectantEffect: LowHelps dissolve other ingredients and attract water to the upper layer of the skin~1.6–2.4%
Hydrogenated polyisobutene· Emollient, OcclusiveEffect: LowUsed to improve the product consistency and soften the upper layer of the skin~1.1–1.6%
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~1.9–2.9%
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~0.35–0.85%
Anti-blemish
1 ingredient credited for this claim
Weak support
What the product description says
“Contains active ingredient tranexamic acid to suppress melanin production and reduce the appearance of blemishes and prevent the formation of dark spots for smooth and clear skin.”
Source: Yesstyle

Effective ingredients missing or their concentration is too low.

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~0.35–0.85%
Anti-oxidation
Not advertised by the brand · 1 ingredient credited for this claim
Moderate support

This product contains antioxidants (camellia sinensis leaf 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~0.35–0.85%

Can it cause trouble?

Irritancy
2 strong irritants: Alcohol, Parfum
Medium risk
We flagged 5 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
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~5.5–8.2%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.15%est.
Potassium hydroxideUsed to adjust the pH level of productsMedium~0.5–1.2%est.
EdtaHelp to stabilize the product formulationMedium~0.4–0.95%est.
Tamarindus indica seed gumHelps to attract water to the upper layer of the skin and create a nice product finish on the skinMedium~0.1–0.3%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
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Ingredients

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Tranexamic acid~26–39%
Key active
Irritation risk
Low
Works for
MoisturizingEvens skin tone

An amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally

More about Tranexamic acid
Water~12–18%
Formula
Irritation risk
Low

Plain old water

More about Water
Alcohol~5.5–8.2%
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
Dipropylene glycol~3.1–4.7%
Formula
Irritation risk
Low

Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying

More about Dipropylene glycol
Glycerin~2.3–3.5%
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
Butylene glycol~1.9–2.9%
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
Peg-32~1.6–2.4%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps dissolve other ingredients and attract water to the upper layer of the skin

More about Peg-32
Peg/ppg-17/4 dimethyl ether~1.4–2.2%
Formula
Irritation risk
Low

Helps to create a nice product texture

More about Peg/ppg-17/4 dimethyl ether
Carbomer~1.2–1.9%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Polyoxyethylene hydrogenated castor oil
Not recognized
Hydrogenated polyisobutene~1.1–1.6%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to improve the product consistency and soften the upper layer of the skin

More about Hydrogenated polyisobutene
Isostearyl alcohol~0.9–1.35%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Isostearyl alcohol
Isostearic acid~0.85–1.3%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a nice product texture

More about Isostearic acid
Potassium hydroxide~0.5–1.2%
Irritant · medium
Irritation risk
Medium

Used to adjust the pH level of products

More about Potassium hydroxide
Polyglyceryl diisostearate
Not recognized
Erythritol~0.45–1.05%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to attract water to the upper layer of the skin

More about Erythritol
Peg/ppg-14/7 dimethyl ether~0.5–1.15%
Key active
Irritation risk
Low
Works for
Moisturizing

An emollient that helps soften the skin. It also forms a protective on its surface to reduce water loss

More about Peg/ppg-14/7 dimethyl ether
Edta~0.4–0.95%
Irritant · medium
Irritation risk
Medium

Help to stabilize the product formulation

More about Edta
Sodium pyrosulfate
Not recognized
Camellia sinensis leaf extract~0.35–0.85%
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
Sodium acetylated hyaluronate~0.15–0.65%
Key active
Irritation risk
Low
Works for
Moisturizing

A type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid

More about Sodium acetylated hyaluronate
Sodium hyaluronate~0.15–0.6%
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
Squalane~0.2–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane
Silica~0.2–0.8%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Thiotaurine~0.1–0.4%
Formula
Irritation risk
Low
More about Thiotaurine
Tamarindus indica seed gum~0.1–0.3%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps to attract water to the upper layer of the skin and create a nice product finish on the skin

More about Tamarindus indica seed gum
Phenoxyethanol~0.05–0.3%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Parfum~0.05–0.15%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Ingredient list view

Tranexamic acid, Water, Alcohol, Dipropylene glycol, Glycerin, Butylene glycol, Peg-32, Peg/ppg-17/4 dimethyl ether, Carbomer, Unknown, Hydrogenated polyisobutene, Isostearyl alcohol, Isostearic acid, Potassium hydroxide, Unknown, Erythritol, Peg/ppg-14/7 dimethyl ether, Edta, Unknown, Camellia sinensis leaf extract, Sodium acetylated hyaluronate, Sodium hyaluronate, Squalane, Silica, Thiotaurine, Tamarindus indica seed gum, Phenoxyethanol, Parfum

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 11 studies and safety reviews.

  1. 1
    Effect of tranexamic acid on melasma: a clinical trial with histological evaluationonlinelibrary.wiley.com
  2. 2
    Tranexamic acid accelerates skin barrier recovery and upregulates occludin in damaged skinonlinelibrary.wiley.com
  3. 3
    The amelioration effect of tranexamic acid in wrinkles induced by skin drynesssciencedirect.com
  4. 4
    Efficacy and possible mechanisms of topical tranexamic acid in melasmaonlinelibrary.wiley.com
  5. 5
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  6. 6
    Safety Evaluation of Polyethylene Glycol (PEG) Compounds for Cosmetic Usencbi.nlm.nih.gov
Shiseido Uno Skin Barrier Lotion
ShiseidoUno Skin Barrier Lotion
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