Based on its formula, is this product safe for sensitive, acne‑prone, or dry skin?

The sunscreen is generally well‑tolerated by normal to dry skin thanks to its moisturizing oils and waxes, but the synthetic emulsifiers, iron oxide pigment and aluminum oxide may cause irritation for very sensitive or acne‑prone individuals, so a patch test is recommended.

What is the specific role and benefit of zinc oxide in this sunscreen?

Zinc oxide acts as a mineral UV filter that provides broad‑spectrum protection by physically reflecting and scattering both UVA and UVB rays, offering photostable coverage without the endocrine‑disrupting concerns associated with some chemical filters.

What is the optimal application frequency for this sunscreen, and does it contain any controversial chemicals?

Apply a generous layer 15–30 minutes before sun exposure and reapply at least every two hours, or immediately after swimming or heavy sweating; the product contains mineral filters (zinc oxide, titanium dioxide) and standard emollients, with no oxybenzone or octinoxate, though it does include aluminum oxide and iron oxide, which are generally deemed safe but may irritate highly sensitive skin.

laboratoire Biarritz • 12 g

sport by alga maris

Suncare

Product Insights

Sport by Alga Maris is a mineral sunscreen designed for active outdoor use, offering broad‑spectrum UVA/UVB protection through zinc oxide and titanium dioxide. The formula blends emollient capric triglycerides, jojoba esters, simmondsia seed oil, and antioxidant tocopherol to moisturise and help the sunscreen spread evenly, while a combination of carnauba wax, beeswax and polymeric emulsifiers creates a water‑resistant film. However, it contains synthetic emulsifiers (polyglyceryl‑2 dipolyhydroxystearate, polyglyceryl‑3 dilostearate), iron oxide pigment (CI 77007) and aluminum oxide, which may irritate very sensitive skin, and the mineral filters can leave a noticeable white cast on darker complexions.

Comparative Analysis

In the crowded suncare market, this sport‑focused mineral sunscreen stands out by combining zinc oxide/titanium dioxide filters with marine algae extract and a high‑oil emollient base for enhanced water resistance and skin‑conditioning benefits.

Ingredients

capric triglycérides, zinc oxyde, titanium dioxyde, simmondsia chinensis seed oil, cera alba, jojoba esters, polyglyceryl-2 dipolyhydroxystearate, copernicia cerifera cera, polyglyceryl-3 dilostearate, CI 77007, aluminia, stearic acid, glyceryl caprylate, gelidium sesquipedale extract, propanediol, helianthus annuus seed oil, tocopherol, Aqua, kaolin, polyglyceryl-4 caprate.

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