Shiseido WASO YUZU-C Glow-On Shot Serum Oil Serum with Vitamin C

Shiseido WASO YUZU-C Glow-On Shot Serum Oil Serum with Vitamin C

Efficacy18/100IrritancyHigh

Works for

Moisturizing
Glycerin, Squalane + 9 more
Works
What the product description says
“Key Benefits Delivers an instant glow upon application Provides 24 hours on continuous hydration Reveals more even-looking skin in 4 weeks* Absorbs quickly and feels fresh 98% of ingredients in this formula are of natural origin. Vegan. Cruelty-free. Fragrance-free. Dermatologist-tested. Non-comedogenic. *Clinically tested by 30 women.”
Source: N/A

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: glycerin, sodium pca.

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: helianthus annuus seed oil, squalane.

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~4.5–6.7%
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.~3.7–5.5%
Sodium pcaKey active· HumectantEffect: HighNaturally present in skin and helps to attract water to its upper layer~2–2.9%
TrehaloseKey active· HumectantEffect: HighA sugar that attracts water to the upper layer of the skin~1.6–2.4%
Vitis vinifera seed oilKey active· EmollientEffect: HighA great emollient that can also have anti-oxidant properties~1.2–1.9%
Sesamum indicum seed oilKey active· EmollientEffect: HighA good moisturizing plant oil. Due to the high linoleic acid content, it helps soften the upper layer of the skin, reduce water loss and support skin barrier function~0.15–0.7%
Helianthus annuus seed oilKey active· Emollient, OcclusiveEffect: HighA great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function~0.1–0.3%
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~2.6–3.9%
Ascorbyl tetraisopalmitateEffect: Low, below effective doseA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.8–1.2%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.15–0.55%
Rosa canina fruit oilUnder-dosedA great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritating~0.15–0.65%
Anti-aging
Ascorbyl tetraisopalmitate ~0.8–1.2%
Under-dosed

Effective ingredients missing or their concentration is too low.

TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.15–0.55%
Ascorbyl tetraisopalmitateUnder-dosedA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.8–1.2%
Evens skin tone
Ascorbyl tetraisopalmitate ~0.8–1.2%
Under-dosed

Effective ingredients missing or their concentration is too low

Ascorbyl tetraisopalmitateUnder-dosedA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.8–1.2%
Anti-blemish
No ingredient credited for this claim
Not delivered

Effective ingredients missing or their concentration is too low.

Can it cause trouble?

Irritancy
10 strong irritants: Rosmarinus officinalis leaf oil, Lavandula angustifolia oil + 8 more — patch-test recommended
High risk
We flagged 18 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Rosmarinus officinalis leaf oilA plant oil with high content of volatile compounds that can irritate the skin. Can be used as a fragrance. Has anti-bacterial properties and might help neutralize free radicals on the surface of the skinHigh~0.4–0.9%est.
Lavandula angustifolia oilAn essential oil. Potential allergen and can be irritating. It has some anti-bacterial propertiesHigh~0.3–0.7%est.
Citrus junos fruit extractContains essential oil. Can be irritating and lead to photosensitivityHigh~0.2–0.75%est.
Citrus junos seed extract—High~0.2–0.8%est.
Salvia officinalis oil—High~0.2–0.7%est.
Citrus depressa peel extractA citrus extract. Used as a fragrance. Can be irritatingHigh~0.15–0.7%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~0.15–0.55%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.1–0.35%est.
Citrus aurantium dulcis oilUsed as a fragrance. It can be irritating and cause photosensitivityHigh~0.1–0.4%est.
LinaloolA fragrance. Can be irritatingHigh~0.05–0.25%est.
Vitis vinifera seed oilA great emollient that can also have anti-oxidant propertiesMedium~1.2–1.9%est.
Ascorbyl tetraisopalmitateA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)Medium~0.8–1.2%est.
Lauryl betaineHelps water and oil mix togetherMedium~0.55–1.25%est.
Rosa canina fruit oilA great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritatingMedium~0.15–0.65%est.
Sodium citrateHelps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve productsMedium~0.15–0.55%est.
Sodium metaphosphateA preservativeMedium~0.15–0.55%est.
Hydroxypropyl methylcelluloseUsed to create a thicker product consistency and stabilize the formulationMedium~0.15–0.5%est.
Sodium metabisulfiteA preservativeMedium~0.1–0.2%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
Glycerin~4.5–6.7%
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
Squalane~3.7–5.5%
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
Butylene glycol~2.6–3.9%
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
Alcohol denat
Not recognized
Sodium pca~2–2.9%
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
Trehalose~1.6–2.4%
Key active
Irritation risk
Low
Works for
Moisturizing

A sugar that attracts water to the upper layer of the skin

More about Trehalose
Sodium chloride~1.4–2.1%
Formula
Irritation risk
Low

Used to stabilize mixtures of oil and water, and create thicker, gel-like product textures

More about Sodium chloride
Vitis vinifera seed oil~1.2–1.9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A great emollient that can also have anti-oxidant properties

More about Vitis vinifera seed oil
2-o-ethyl ascorbic acid~0.95–1.45%
Formula
Ascorbyl tetraisopalmitate~0.8–1.2%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin toneAnti-agingMoisturizing

A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)

More about Ascorbyl tetraisopalmitate
Lauryl betaine~0.55–1.25%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Lauryl betaine
Rosmarinus officinalis leaf oil~0.4–0.9%
Irritant · high
Irritation risk
High
Works for
Anti-oxidationAntibacterial

A plant oil with high content of volatile compounds that can irritate the skin. Can be used as a fragrance. Has anti-bacterial properties and might help neutralize free radicals on the surface of the skin

More about Rosmarinus officinalis leaf oil
Xanthan gum~0.35–0.85%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Lavandula angustifolia oil~0.3–0.7%
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
Citrus junos fruit extract~0.2–0.75%
Irritant · high
Irritation risk
High

Contains essential oil. Can be irritating and lead to photosensitivity

More about Citrus junos fruit extract
Citrus junos seed extract~0.2–0.8%
Irritant · high
Salvia officinalis oil~0.2–0.7%
Irritant · high
Citrus depressa peel extract~0.15–0.7%
Irritant · high
Irritation risk
High

A citrus extract. Used as a fragrance. Can be irritating

More about Citrus depressa peel extract
Sesamum indicum seed oil~0.15–0.7%
Key active
Irritation risk
Low
Works for
Moisturizing

A good moisturizing plant oil. Due to the high linoleic acid content, it helps soften the upper layer of the skin, reduce water loss and support skin barrier function

More about Sesamum indicum seed oil
Rosa canina fruit oil~0.15–0.65%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritating

More about Rosa canina fruit oil
Ascorbyl dipalmitate~0.15–0.55%
Formula
Alcohol~0.15–0.55%
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
Sodium citrate~0.15–0.55%
Irritant · medium
Irritation risk
Medium

Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products

More about Sodium citrate
Tocopherol~0.15–0.55%
Formula
Irritation risk
Low
Works for
Anti-oxidationAnti-agingMoisturizingAnti-inflammatory

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Sodium metaphosphate~0.15–0.55%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium metaphosphate
Dipropylene glycol~0.1–0.45%
Formula
Irritation risk
Low

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

More about Dipropylene glycol
Hydroxypropyl methylcellulose~0.15–0.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Hydroxypropyl methylcellulose
Sodium metabisulfite~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium metabisulfite
Citric acid
Not recognized
Limonene~0.1–0.35%
Irritant · high
Irritation risk
High

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

More about Limonene
Citrus aurantium dulcis oil~0.1–0.4%
Irritant · high
Irritation risk
High

Used as a fragrance. It can be irritating and cause photosensitivity

More about Citrus aurantium dulcis oil
Linalool~0.05–0.25%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Helianthus annuus seed oil~0.1–0.3%
Key active
Irritation risk
Low
Works for
Moisturizing

A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function

More about Helianthus annuus seed oil
Phenoxyethanol~0.05–0.2%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Sodium benzoate~0.05–0.15%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Ingredient list view

Water, Glycerin, Squalane, Butylene glycol, Unknown, Sodium pca, Trehalose, Sodium chloride, Vitis vinifera seed oil, 2-o-ethyl ascorbic acid, Ascorbyl tetraisopalmitate, Lauryl betaine, Rosmarinus officinalis leaf oil, Xanthan gum, Lavandula angustifolia oil, Citrus junos fruit extract, Citrus junos seed extract, Salvia officinalis oil, Citrus depressa peel extract, Sesamum indicum seed oil, Rosa canina fruit oil, Ascorbyl dipalmitate, Alcohol, Sodium citrate, Tocopherol, Sodium metaphosphate, Dipropylene glycol, Hydroxypropyl methylcellulose, Sodium metabisulfite, Unknown, Limonene, Citrus aurantium dulcis oil, Linalool, Helianthus annuus seed oil, Phenoxyethanol, Sodium benzoate

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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
ShiseidoWASO YUZU-C Glow-On Shot Serum Oil Serum with Vitamin CYOUR PRODUCTEssanoAdvanced Brightening Vitamin C SerumZelensPower C - Collagen-boosting & BrighteningNacomiNext Lvl Vitamin C - Ascorbyl tetraisopalmitate 5%
Match—59%59%57%
Price——$63.06—
Shared key ingredients—4 of 83 of 84 of 8
Key difference—BetaineSaccharomyces Ferment Lysate FiltratePanthenol
Irritancy High Medium Low Low
Drying alcohol Contains drying alcohol ———
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Product summary

"Shiseido - WASO YUZU-C Glow-On Shot Serum Oil Serum with Vitamin C" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Humectants (trehalose 1.60% - 2.40%, sodium pca 2.00% - 2.90% and glycerin 4.50% - 6.70%). 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 26 studies and safety reviews.

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Shiseido WASO YUZU-C Glow-On Shot Serum Oil Serum with Vitamin C
ShiseidoWASO YUZU-C Glow-On Shot Serum Oil Serum with Vitamin C

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

As an Amazon Associate, WIMJ earns from qualifying purchases.