haruharu US Black Rice 10 Hyaluronic Cream

Black Rice 10 Hyaluronic Cream

Efficacy 41/100·Medium irritancy

Efficacy measures how well the formula delivers the claims the brand advertises · 1 of 3 advertised claims delivered

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Product claims breakdown

Moisturizing
10 ingredients contribute at the levels below
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: glycerin, hyaluronic 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: caprylic/capric triglyceride, carthamus tinctorius seed oil.

CAPRYLIC/CAPRIC TRIGLYCERIDERole: HeroA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~5.6–6.9%
CARTHAMUS TINCTORIUS SEED OILRole: Key activeAn emollient that helps soften the skin and might help calm down inflammation~4.4–5.3%
GLYCERINRole: Key activeOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.7–1.05%
HYALURONIC ACIDRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.2–0.35%
HYDROLYZED HYALURONIC ACIDRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.2–0.4%
HYDROLYZED SODIUM HYALURONATERole: Key activeAttracts water into the upper layer of the skin~0.2–0.4%
OENOTHERA BIENNIS OILRole: Key activeHelps soften the upper layer of the skin and can support skin barrier function~3.2–3.9%
SODIUM ACETYLATED HYALURONATERole: Key activeA 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~0.05–0.15%
SODIUM HYALURONATERole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.45%
SODIUM HYALURONATE CROSSPOLYMERRole: Key activeAttracts water into the upper layer of the skin~0.1–0.25%
Anti-aging
1 ingredient contributes at the levels below
Partial evidence

This product does not contain ingredients that are able to reduce fine lines and wrinkles or help with skin elasticity, but it can improve the look of the skin temporarily through moisturization. Well-moisturized skin might also be able to repair the sun damage better.This ingredient - hyaluronic acid - could be helpful for preventing or repairing signs of aging in theory, but there is no evidence that it actually works.

HYALURONIC ACIDRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.2–0.35%
Caprylic/capric triglycerideRole: Key activeA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~5.6–6.9%
Carthamus tinctorius seed oilRole: Key activeAn emollient that helps soften the skin and might help calm down inflammation~4.4–5.3%
Oenothera biennis oilRole: Key activeHelps soften the upper layer of the skin and can support skin barrier function~3.2–3.9%
Cetearyl alcoholRole: Key activeA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~1–1.3%
GlycerinRole: Key activeOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.7–1.05%
Aspergillus fermentRole: Key activeAn extract from fungus (mold) that typically appears on rice. It can help attract water to the upper layer of the skin, might help neutralize free radicals and possibly somewhat reduce hyperpigmentation~0.5–0.7%
Cetyl palmitateRole: Key activeAn emollient that helps soften the skin and is used to improve product texture and stability~0.4–0.6%
Sodium hyaluronateRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.45%
Hydrolyzed sodium hyaluronateRole: Key activeAttracts water into the upper layer of the skin~0.2–0.4%
Hydrolyzed hyaluronic acidRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.2–0.4%
Sodium hyaluronate crosspolymerRole: Key activeAttracts water into the upper layer of the skin~0.1–0.25%
Sodium acetylated hyaluronateRole: Key activeA 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~0.05–0.15%
Evens skin tone
13 key actives in the formula
Weak evidence

Effective ingredients missing or their concentration is too low

Caprylic/capric triglycerideRole: Key activeA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~5.6–6.9%
Carthamus tinctorius seed oilRole: Key activeAn emollient that helps soften the skin and might help calm down inflammation~4.4–5.3%
Oenothera biennis oilRole: Key activeHelps soften the upper layer of the skin and can support skin barrier function~3.2–3.9%
Cetearyl alcoholRole: Key activeA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~1–1.3%
GlycerinRole: Key activeOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.7–1.05%
Aspergillus fermentRole: Key activeAn extract from fungus (mold) that typically appears on rice. It can help attract water to the upper layer of the skin, might help neutralize free radicals and possibly somewhat reduce hyperpigmentation~0.5–0.7%
Cetyl palmitateRole: Key activeAn emollient that helps soften the skin and is used to improve product texture and stability~0.4–0.6%
Sodium hyaluronateRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.45%
Hydrolyzed sodium hyaluronateRole: Key activeAttracts water into the upper layer of the skin~0.2–0.4%
Hydrolyzed hyaluronic acidRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.2–0.4%
Hyaluronic acidRole: Key activeOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.2–0.35%
Sodium hyaluronate crosspolymerRole: Key activeAttracts water into the upper layer of the skin~0.1–0.25%
Sodium acetylated hyaluronateRole: Key activeA 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~0.05–0.15%
Irritancy
9 flagged ingredients — patch-test recommended
High risk
We flagged 9 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Zanthoxylum piperitum fruit extractPlant extract that has some anti-oxidant properties. It can be irritating. Can be used to improve the product's smellHigh~0.45–0.65%est.
Panax ginseng root extractA plant extract that might have some anti-inflammatory properties, but solid evidence is lacking. It can be irritatingHigh~0.25–0.5%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinLow~5.6–6.9%est.
Oenothera biennis oilHelps soften the upper layer of the skin and can support skin barrier functionLow~3.2–3.9%est.
Phyllostachys pubescens shoot bark extractAn extract of bamboo shoot skins. Has anti-microbial propertiesLow~0.4–0.6%est.
Sorbitan palmitateHelps water and oil mix together and stabilize the product formulationLow~0.3–0.55%est.
1,2-hexanediolA preservativeLow~0.25–0.5%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureLow~0.2–0.4%est.
Sodium hyaluronate crosspolymerAttracts water into the upper layer of the skinLow~0.1–0.25%est.
Comedogenic
Cetearyl alcohol ~1–1.3% — rinse-off or low %
Low risk
We flag 1 ingredient with a low-to-moderate comedogenic rating — at these concentrations, or in rinse-off use, they're unlikely to clog pores for most skin.
IngredientFunctionRatingEst. amount
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product textureMed~1–1.3%est.
~ marks concentrations estimated from label position and typical use levels

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