
1 of 1 advertised claim delivered
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.
This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.
This product contains antioxidants (carnosine) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).
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.
These ingredients in the product might also be helpful for reducing and preventing fine lines, wrinkles, and skin elasticity, even though there is no conclusive evidence for their effectiveness: carnosine.
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).
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, biosaccharide gum-1.
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, helianthus annuus seed oil.
The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: panthenol


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Filter by role to see what each ingredient is doing.
Helps soften the upper layer of the skin and create a nice product consistency
More about Dibutyl adipateEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
More about C12-15 alkyl benzoateUvinul 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 benzoateTinosorb 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 triazineUvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet
More about Ethylhexyl triazoneOne 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 GlycerinEnsulizole. A UV filter that is effective against UVB rays. Does not protect against UVA light. It is photostable and can be used to help stabilize other sunscreen ingredients. It is water-soluble meaning that it can help create lighter sunscreen formulations
More about Phenylbenzimidazole sulfonic acidAn 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 ArginineObtained from fermenting a plant extract with bacteria Lactobacillus. The resulting compound might be able to calm down inflammation and have some anti-oxidant properties, but solid evidence is missing
More about Lactobacillus/portulaca oleracea ferment extractCan be used to help absorb oil as well as add volume and imporve texture of products.
More about CelluloseHelps products spread more easily and works as an emollient to soften skin
More about Dicaprylyl carbonateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.
More about Tocopheryl acetateA preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determine
More about Leuconostoc/radish root ferment filtrateHelps thicken the product formulation and create a gel-like texture
More about Sodium carboxymethyl beta-glucanOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin
More about Sodium hyaluronateA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage
More about CarnosineHelps attract water to the upper layer of the skin and can help improve skin barrier function
More about PanthenolHelps attract water to the upper layer of the skin and is claimed to provide a longer-lasting hydration because of its ability to create a water-binding film on the surface of the skin
More about Biosaccharide gum-1Helps oil and water mix together
More about Sodium stearoyl glutamateCan work as an exfoliant but is typically used to adjust the product pH
More about Citric acidHelps preserve products and creates a nice product texture
More about Caprylyl glycolUsed to create thicker product consistency and stabilize emulsions
More about Cellulose gumA 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 oilA preservative. It helps prevent bacterial growth in cosmetic products
More about PhenoxyethanolPure 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 TocopherolHelps attract water to the upper layer of the skin
More about PantolactoneWater, Dibutyl adipate, C12-15 alkyl benzoate, Diethylamino hydroxybenzoyl hexyl benzoate, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Ethylhexyl triazone, Glycerin, Phenylbenzimidazole sulfonic acid, Arginine, Lactobacillus/portulaca oleracea ferment extract, Cellulose, Dicaprylyl carbonate, Tocopheryl acetate, Leuconostoc/radish root ferment filtrate, Sodium carboxymethyl beta-glucan, Sodium hyaluronate, Carnosine, Panthenol, Biosaccharide gum-1, Sphingomonas ferment extract, Ethylhexylglycerin, Microcrystalline cellulose, Sodium stearoyl glutamate, Citric acid, Sodium gluconate, Caprylyl glycol, Cellulose gum, Helianthus annuus seed oil, Phenoxyethanol, Tocopherol, Pantolactone
Retailers ranked by price — lowest first.
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.
| Dr. Barbara SturmSun Drop SPF30 Sérum SolaireYOUR PRODUCT | Hello SundayThe One That's a Serum SPF 50 Hydrating and Brightening Vitamin C Serum | BABORDoctor Babor Protect Cellular: Protecting Balm SPF50 | Beauty of JoseonRelief Sun Aqua Fresh SPF50 PA ++++ | |
|---|---|---|---|---|
| Match | — | 60% | 57% | 52% |
| Price | $140.00 | $21.81−$118.19 | $37.08−$102.92 | — |
| Shared key ingredients | — | 8 of 13 | 9 of 13 | 7 of 13 |
| Key difference | — | Gluconolactone | Caprylic/Capric Triglyceride | Ferulic Acid |
| Irritancy | Low | Low | Low | Low |
| SPF | SPF 30 | SPF 50 | SPF 50 | SPF 50 |
| Drying alcohol | — | — | — | — |
| View product | Shop | Shop | Shop |
We assess that "Dr. Barbara Sturm - Sun Drop SPF30 Sérum Solaire" can provide reliable sun protection based on the ingredient list. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).
Its formula is also hydrating, so you might not need an additional moistruizer during the day. Like all broad-spectrum sunscreens, this product has an anti-aging benefit.
This is a so-called "chemical" sunscreen. It means that it uses organic UV filters. They typically offer good sun protection and rarely leave a white cast, but they can be irritating for some people with sensitive skin. These are the sun protection ingredients in this sunscreen: tinosorb s 3.10% - 3.80%, uvinul a plus 3.50% - 4.30%, uvinul t 2.60% - 3.20% and ensulizole 2.00% - 2.50%.
This product does not contain known common irritants and is suitable for sensitive skin. We assess the overall irritancy of this product to be low. For a detailed overview of all potential irritants: click here
You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.
According to Cruelty-Free Kitty "Dr. Barbara Sturm" is cruelty free and so is its parent company.
The product retails for 140.00$ in the United States.
For a detailed price comparison: click here.
Every concentration estimate and effectiveness label is anchored to one of these 14 studies and safety reviews.
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