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NAKAICHI Kayuka Knight Body Cream
NAKAICHI

NAKAICHI Kayuka Knight Body Cream

Efficacy75/100IrritancyLow
See all ingredients

Works for

Moisturizing
Glycerin, Butyrospermum parkii butter + 6 more
Works
What the product description says
“Kayuka knight is moisturizing body cream containing nature-derived moisturizing ingredient defensyl.”
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: glycerin, butylene glycol.

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: butyrospermum parkii butter, 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~4–6.1%
Butyrospermum parkii butterKey active· Emollient, OcclusiveEffect: HighA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~3.7–5.6%
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.~1.7–2.6%
Chlorella vulgaris extractKey activeEffect: MediumA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties~0.5–1.15%
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~2.7–4%
Octyldodecanol· EmollientEffect: LowAn emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation~0.4–0.95%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~0.05–0.25%
AllantoinUnder-dosedHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.1–0.4%

Can it cause trouble?

Irritancy
3 flagged ingredients
Low risk
We flag 3 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Chlorella vulgaris extractA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory propertiesMedium~0.5–1.15%est.
Calcium sodium borosilicateUsed to add shimmerMedium~0.05–0.2%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~0.05–0.25%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Butyrospermum parkii butterA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals3/5~3.7–5.6%est.
Chlorella vulgaris extractA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties3/5~0.5–1.15%est.

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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~4–6.1%
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
Butyrospermum parkii butter~3.7–5.6%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-aging

A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals

More about Butyrospermum parkii butter
Butylene glycol~2.7–4%
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
Polyacrylate-13~2.1–3.1%
Formula
Irritation risk
Low

Used to create a thicker product consistency and stabilize the product formulation

More about Polyacrylate-13
Squalane~1.7–2.6%
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
Placental extract~1.4–2%
Formula
Irritation risk
Low
More about Placental extract
Panicum miliaceum seed extract~1.1–1.7%
Formula
Irritation risk
Low
More about Panicum miliaceum seed extract
Tannic acid~0.95–1.45%
Formula
Irritation risk
Low
More about Tannic acid
Cuckon extract
Not recognized
Aloe vera leaf extract~0.9–1.35%
Formula
Irritation risk
Low
More about Aloe vera leaf extract
Chlorella vulgaris extract~0.5–1.15%
Key activeComedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-inflammatory

A plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties

More about Chlorella vulgaris extract
Shazen purple seed oil
Not recognized
Neem seed oil unsaponifiable matter
Not recognized
Octyldodecanol~0.4–0.95%
Formula
Irritation risk
Low
Works for
Moisturizing

An emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation

More about Octyldodecanol
Allantoin~0.1–0.4%
Under-dosed
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryAnti-blemishReduces irritationReduces rednessExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Polyisobutene~0.15–0.6%
Formula
Irritation risk
Low

Used to improve the product consistency

More about Polyisobutene
Polysorbate 20~0.1–0.4%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Silver oxide~0.05–0.25%
Formula
Irritation risk
Low
More about Silver oxide
Calcium sodium borosilicate~0.05–0.2%
Irritant · medium
Irritation risk
Medium

Used to add shimmer

More about Calcium sodium borosilicate
Pentylene glycol~0.05–0.25%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol
Ingredient list view

Water, Glycerin, Butyrospermum parkii butter, Butylene glycol, Polyacrylate-13, Squalane, Placental extract, Panicum miliaceum seed extract, Tannic acid, Unknown, Aloe vera leaf extract, Chlorella vulgaris extract, Unknown, Unknown, Octyldodecanol, Allantoin, Polyisobutene, Polysorbate 20, Silver oxide, Calcium sodium borosilicate, Pentylene glycol

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$39.60
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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
NAKAICHIKayuka Knight Body CreamYOUR PRODUCTBiodermaAtoderm NutritiveUriageXémose CreamLocobaseRepair Light Cream
Match—40%40%40%
Price$39.60$27.00−$12.60$22.99−$16.61—
Shared key ingredients—3 of 33 of 33 of 3
Key difference—Mineral OilMineral OilCeramide Np
Irritancy Low Low Low Low
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 3 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    Profile of wound healing process induced by allantoinscielo.br
  3. 3
    Final report of the cosmetic ingredient review expert panel on the safety assessment of Polyisobutene and Hydrogenated Polyisobutene as used in cosmeticssemanticscholar.org
NAKAICHI Kayuka Knight Body Cream
NAKAICHIKayuka Knight Body Cream
Buy at Yesstyle$39.60Amazon

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

Buy at Yesstyle$39.60Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.