Rohto Mentholatum Hada Labo Koi-Gokujyun UV White Gel SPF 50+ PA++++
Works for
1 of 1 advertised claim delivered
Sun protectionSPF 50 · 5 UV filtersBroad spectrum
This product offers a good level of protection against both UVB and UVA rays.
This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.
Evens skin toneNot advertised by the brand · 1 ingredient credited for this claimStrong evidence
This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).
Anti-agingNot advertised by the brand · 1 ingredient credited for this claimStrong evidence
This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.
MoisturizingNot advertised by the brand · 7 ingredients credited for this claimGood 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:
hydrolyzed hyaluronic acid, sodium hyaluronate.
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: dimethicone, isononyl isononanoate.
Can it cause trouble?
Irritancy1 strong irritant: Iodopropynyl butylcarbamateMedium risk
ComedogenicClean of flagged comedogenic ingredientsNone flagged
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Ingredients
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Water~40–60%
Ethylhexyl methoxycinnamate~5–7.5%
- Irritation risk
- High
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
More about Ethylhexyl methoxycinnamateIsononyl isononanoate~3.7–5.6%
- Irritation risk
- Low
Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness
More about Isononyl isononanoateDimethicone~2.8–4.2%
- Irritation risk
- Low
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
More about DimethiconeAlcohol~2.1–3.1%
- Irritation risk
- High
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 AlcoholButylene glycol~1.7–2.6%
- Irritation risk
- Low
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 glycolPeg-12 dimethicone~1.5–2.2%
- Irritation risk
- Low
Helps soften the upper layer of the skin and create a nice product texture
More about Peg-12 dimethiconePentylene glycol~1.3–2%
- Irritation risk
- Medium
Used to preserve products, dissolve other ingredients and create a nice product texture
More about Pentylene glycolPolysilicone-15~1.4–2.1%
- Irritation risk
- Medium
A UV filter. Effective against UVB rays, but does not protect against the most aging UVA light
More about Polysilicone-15Glycol dimethacrylate crosspolymer~0.6–1.35%
- Irritation risk
- Low
Helps create a thicker product consistency
More about Glycol dimethacrylate crosspolymerBis-ethylhexyloxyphenol methoxyphenyl triazine~0.9–1.35%
- Irritation risk
- Medium
Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.
More about Bis-ethylhexyloxyphenol methoxyphenyl triazineMagnesium ascorbyl phosphate~0.3–0.75%
- Irritation risk
- Medium
A derivative of vitamin C that is more stable, but less bioavailable than the pure form of vitamin C. It does not penetrate the skin well, but has been shown to convert to pure vitamin C once in skin. It can be helpful in stimulating collagen production and lightening the skin tone, but the required concentration is likely to be very high
More about Magnesium ascorbyl phosphateHydrolyzed hyaluronic acid~0.15–0.6%
- Irritation risk
- Low
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
More about Hydrolyzed hyaluronic acidSodium hyaluronate~0.15–0.55%
- Irritation risk
- Low
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
More about Sodium hyaluronateDiethylamino hydroxybenzoyl hexyl benzoate~0.3–0.75%
- Irritation risk
- Medium
Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet
More about Diethylamino hydroxybenzoyl hexyl benzoatePolysilicone-13~0.15–0.5%
- Irritation risk
- Low
Phenoxyethanol~0.15–0.55%
- Irritation risk
- Low
A preservative. It helps prevent bacterial growth in cosmetic products
More about PhenoxyethanolCarbomer~0.15–0.6%
- Irritation risk
- Low
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
More about CarbomerTriethanolamine~0.15–0.55%
- Irritation risk
- Medium
Used to adjust pH of the product and can help improve the product's smell
More about TriethanolaminePolystyrene~0.15–0.55%
- Irritation risk
- Low
Polyvinyl alcohol~0.1–0.5%
Hydroxyethylcellulose~0.1–0.4%
- Irritation risk
- Low
Used to thicken product formulations and create gel-like textures
More about HydroxyethylcelluloseDisodium edta~0.1–0.4%
Iodopropynyl butylcarbamate~0.01–0.02%
Acrylates/c10-30 alkyl acrylate crosspolymer~0.1–0.45%
- Irritation risk
- Medium
Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together
More about Acrylates/c10-30 alkyl acrylate crosspolymerTitanium dioxide~0.15–0.6%
- Irritation risk
- Low
Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin
More about Titanium dioxideAmmonium acrylates copolymer~0.1–0.4%
- Irritation risk
- Low
Hydrated silica~0.15–0.6%
Aluminum hydroxide~0.1–0.35%
- Irritation risk
- Low
Is used to add opaque (non-transparent) appearance to formulations. Can be used to coat other ingredients for even dispersion. This is a different ingredient compared to the ones used in antipersperants (aluminium chloride and aluminium chlorohydrate)
More about Aluminum hydroxideHydrogen dimethicone~0.05–0.25%
- Irritation risk
- Low
Helps the function of sunscreen and pigment ingredients in the formulation
More about Hydrogen dimethiconeMethylparaben~0.05–0.2%
Ingredient list view
Water, Ethylhexyl methoxycinnamate, Isononyl isononanoate, Dimethicone, Alcohol, Butylene glycol, Peg-12 dimethicone, Pentylene glycol, Polysilicone-15, Glycol dimethacrylate crosspolymer, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Magnesium ascorbyl phosphate, Hydrolyzed hyaluronic acid, Sodium hyaluronate, Diethylamino hydroxybenzoyl hexyl benzoate, Polysilicone-13, Phenoxyethanol, Carbomer, Triethanolamine, Polystyrene, Polyvinyl alcohol, Hydroxyethylcellulose, Disodium edta, Iodopropynyl butylcarbamate, Acrylates/c10-30 alkyl acrylate crosspolymer, Titanium dioxide, Ammonium acrylates copolymer, Hydrated silica, Aluminum hydroxide, Hydrogen dimethicone, Methylparaben
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Product summary
We believe that "Rohto Mentholatum - Hada Labo Koi-Gokujyun UV White Gel SPF 50+ PA++++" can provide reliable sun protection based on the ingredients listed. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).
It should also be hydrating enough to use without an additional moisturizer during the day. Like all broad-spectrum sunscreens, this product helps prevent early signs of aging.
Sunscreen filters
This sunscreen uses a mixture of both mineral and organic (so-called "chemical") UV filters. Here are the organic filters this product uses: tinosorb s, uvinul a plus, octinoxate and polysilicone-15. As for the mineral filters, this sunscreen uses titanium dioxide.
Irritation risk
This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this sunscreen to be medium. For a detailed overview of all potential irritants: click here
You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.
Price
The product retails for 19.08$ in the United States.
For a detailed price comparison: click here.
Sources cited in this review
Every concentration estimate and effectiveness label is anchored to one of these 10 studies and safety reviews.
- 1
- 2Final Report on the Safety Assessment of Dimethicone Copolyoljournals.sagepub.com
- 3
- 4Topical L-ascorbic acid: percutaneous absorption studiesncbi.nlm.nih.gov
- 5Efficacy of a New Topical Nano-hyaluronic Acid in Humansncbi.nlm.nih.gov
- 6Physiochemical properties and application of hyaluronic acid: a systematic reviewonlinelibrary.wiley.com
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