Kikumasamune

Kikumasamune Sake Skin Care Lotion

Name: Kikumasamune - Sake Skin Care Lotion
Brand: Kikumasamune

Efficacy75/100IrritancyMedium

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Works for

1 of 1 advertised claim delivered

Evens skin tone

Arbutin, Dipotassium glycyrrhizate + 1 more

Moderate evidence

What the product description says

“Arbutin seems to work its magic and hinder the pigmentation process at the second step of it.”

Source: N/A

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: arbutin.

ArbutinKey activeEffect: MediumBeta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutin~1.7–2.6%

Retinyl palmitateUnder-dosedEffect: MediumThree steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect~0.35–0.8%

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~0.35–0.85%

Anti-oxidation

Not advertised by the brand · Arbutin, Rice ferment filtrate + 1 more

Moderate evidence

This product contains antioxidants (arbutin) 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.

Rice ferment filtrateEffect: LowHelps attract water to the upper layer of the skin. Might have some anti-oxidant properties~2.1–3.1%

TocopherolUnder-dosedEffect: HighPure 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~0.1–0.3%

Moisturizing

Not advertised by the brand · Glutamic acid, Arginine + 5 more

Good evidence

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, glutamic acid.

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.

Glutamic acidKey active· HumectantEffect: HighAn amino-acid that helps attract water to the upper layer of the skin~2.7–4.1%

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~3.8–5.7%

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~0.15–0.6%

Rice ferment filtrateKey activeEffect: HighHelps attract water to the upper layer of the skin. Might have some anti-oxidant properties~2.1–3.1%

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~5.5–8.2%

Dipotassium glycyrrhizateUnder-dosedEffect: HighA 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~0.35–0.85%

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~0.1–0.3%

Can it cause trouble?

Irritancy

2 strong irritants: Retinyl palmitate, Parfum

Medium risk

We flagged 7 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

Retinyl palmitateThree steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effectHigh~0.35–0.8%est.

ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.01–0.1%est.

ArbutinBeta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutinMedium~1.7–2.6%est.

1,2-hexanediolA preservativeMedium~0.5–1.15%est.

Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.5–1.15%est.

Peg-60 hydrogenated castor oilHelps oil and water mix togetherMedium~0.15–0.6%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~0.1–0.4%est.

Comedogenic

Clean of flagged comedogenic ingredients

None flagged

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Ingredients

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Water~40–60%

Formula

Irritation risk: Low

Plain old water

More about Water

Butylene glycol~5.5–8.2%

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

Arginine~3.8–5.7%

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

Glutamic acid~2.7–4.1%

Key active

Irritation risk: Low

Works for

Moisturizing

An amino-acid that helps attract water to the upper layer of the skin

More about Glutamic acid

Rice ferment filtrate~2.1–3.1%

Key active

Irritation risk: Low

Works for

MoisturizingAnti-oxidation

Helps attract water to the upper layer of the skin. Might have some anti-oxidant properties

More about Rice ferment filtrate

Arbutin~1.7–2.6%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Evens skin toneAnti-oxidation

Beta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutin

More about Arbutin

Potassium ascorbyl tocopheryl phosphate~1.4–2.1%

Formula

Irritation risk: Low

Used to stabilize other ingredients in the formulation

More about Potassium ascorbyl tocopheryl phosphate

Sodium tocopheryl phosphate~1.2–1.8%

Formula

Irritation risk: Low

Works for

Cleansing

More about Sodium tocopheryl phosphate

Leucine~1–1.5%

Formula

Irritation risk: Low

More about Leucine

1,2-hexanediol~0.5–1.15%

Irritant · medium

Irritation risk: Medium

A preservative

More about 1,2-hexanediol

Citric acid~0.5–1.15%

Irritant · medium

Irritation risk: Medium

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

More about Citric acid

Styrene/acrylates copolymer~0.45–1.05%

Formula

Irritation risk: Low

Used to create an even product consistency. Can help boost efficiency of sunscreen filters

More about Styrene/acrylates copolymer

Dipotassium glycyrrhizate~0.35–0.85%

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

Retinyl palmitate~0.35–0.8%

Under-dosedIrritant · high

Irritation risk: High

Works for

Evens skin toneAnti-blemishAnti-agingExfoliation

Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect

More about Retinyl palmitate

Arachis hypogaea oil~0.2–0.75%

Formula

Irritation risk: Low

More about Arachis hypogaea oil

Hydrogenated lecithin~0.15–0.65%

Formula

Irritation risk: Low

Works for

Cleansing

Helps to retain moisture by creating a protective barrier on the skin. Rich in fatty acids. Improves product texture and helps with the penetration of other ingredients.

More about Hydrogenated lecithin

Peg-60 hydrogenated castor oil~0.15–0.6%

Irritant · medium

Irritation risk: Medium

Works for

Cleansing

Helps oil and water mix together

More about Peg-60 hydrogenated castor oil

Glycerin~0.15–0.6%

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

Sodium citrate~0.1–0.4%

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

Citric acid~0.1–0.3%

Irritant · medium

Irritation risk: Medium

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

More about Citric acid

Tocopherol~0.1–0.3%

Under-dosed

Irritation risk: Low

Works for

Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

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

Phenoxyethanol~0.05–0.25%

Formula

Irritation risk: Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol

Methylparaben~0.05–0.2%

Formula

Irritation risk: Low

A preservative

More about Methylparaben

Parfum~0.01–0.1%

Irritant · high

Irritation risk: High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum

Ingredient list view

Water, Butylene glycol, Arginine, Glutamic acid, Rice ferment filtrate, Arbutin, Potassium ascorbyl tocopheryl phosphate, Sodium tocopheryl phosphate, Leucine, 1,2-hexanediol, Citric acid, Styrene/acrylates copolymer, Dipotassium glycyrrhizate, Retinyl palmitate, Arachis hypogaea oil, Hydrogenated lecithin, Peg-60 hydrogenated castor oil, Glycerin, Sodium citrate, Citric acid, Tocopherol, Phenoxyethanol, Methylparaben, 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
Arbutin - Commentatymdedge.com
2
TOPICAL TREATMENT OF MELASMAncbi.nlm.nih.gov
3
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Tocopheryl Succinate, Dioleyl Tocopheryl Methylsilanol, Potassium Ascorbyl Tocopheryl Phosphate, and Tocophersolanncbi.nlm.nih.gov
4
Highly active antioxidant of tocopheryl ascorbyl phosphatepatents.google.com
5
The influence of alkane chain length on the skin irritation potential of 1,2-alkanediolsncbi.nlm.nih.gov
6
Amended Safety Assessment of Acrylates Copolymers as Used in Cosmeticscir-safety.org
7
Ameliorating effect of dipotassium glycyrrhizinate on an IL-4- and IL-13-induced atopic dermatitis-like skin-equivalent modelresearchgate.net
8
Final report on the safety assessment of Glycyrrhetinic Acid, Potassium Glycyrrhetinate, Disodium Succinoyl Glycyrrhetinate, Glyceryl Glycyrrhetinate, Glycyrrhetinyl Stearate, Stearyl Glycyrrhetinate, Glycyrrhizic Acid, Ammonium Glycyrrhizate, Dipotassium Glycyrrhizate, Disodium Glycyrrhizate, Trisodium Glycyrrhizate, Methyl Glycyrrhizate, and Potassium Glycyrrhizinate.ncbi.nlm.nih.gov
9
Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
10
Vitamin E in dermatologyncbi.nlm.nih.gov
11
Vitamin E and Skin Healthlpi.oregonstate.edu

KikumasamuneSake Skin Care Lotion

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