1 / 9C-Defense UV Glow SPF 50 PA++++ Fluid Sunscreen SPF 50
Excellent broad-spectrum UV protection
Most Suitable For
Skin Type Match
Hydrating · Soothing · Dewy
- Deeply hydrates skin
- Zero drying alcohols
- Soothes skin barrier
- Contains endocrine disruptors
- Low moisture sealing
- May sting eyes
Performance Scores
SPF Level
Excellent
SPF Level
The SPF 50 claim is supported by a comprehensive system of UVB filters prominently positioned in the ingredient list, including Octisalate, Octinoxate, and Homosalate.
Broad Spectrum
Excellent
Broad Spectrum
Tinosorb M (peak 360 nm) and Zinc Oxide (peak 370 nm) provide exceptionally broad and overlapping absorption deep into the critical 340-400 nm UVA I range.
Sweat Resistance
Poor
Sweat Resistance
The inclusion of film-forming silicone elastomers (Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer) provides physical infrastructure, justifying a score of 2 in the absence of clinical testing claims.
Photo Stability
Excellent
Photo Stability
Photobiological research indicates that Tinosorb M provides robust cross-stabilisation for Octinoxate, significantly reducing its UV-induced degradation.
Visible Light
Poor
Visible Light
A complete absence of iron oxide colour indices (e.g., CI 77491, CI 77492, CI 77499) and pigmentary colorants in the ingredient list.
Irritation Risk
Medium Risk
Irritation Risk
Chemical filters like octinoxate, alongside coco-glucoside (an ACDS Allergen of the Year), have documented incidence of contact dermatitis in compromised skin.
Pore Clogging
Medium Risk
Pore Clogging
Dermatological comedogenicity scales generally rate lauryl alcohol and olive-derived emulsifiers between 2/5 and 3/5, indicating a moderate risk when present at meaningful concentrations.
White Cast
Medium Risk
White Cast
Tinosorb M (Bisoctrizole) and non-tinted mineral filters inherently scatter visible light, consistently causing noticeable white residue on Fitzpatrick IV-VI skin.
Ingredients Analysis
Active Filters
Octisalate UVB
Clinical trials demonstrate systemic absorption into the bloodstream exceeding the FDA threshold requiring further safety testing.
Octinoxate UVB
Studies indicate potential estrogenic and thyroid disrupting activity in animal models and human cell lines.
Homosalate UVB
Laboratory studies indicate homosalate may act as an endocrine disruptor by interfering with hormone systems [1.1].
Titanium Dioxide UVB / UVA II
Classified as a possible human carcinogen if inhaled making spray and powder formulations a potential risk while dermal application remains safe
Key Inactive Ingredients
Phenoxyethanol and Ethylhexylglycerin Preservative
Both components are documented, albeit rare, contact allergens that can trigger allergic contact dermatitis in susceptible individuals.
Coco-Glucoside Surfactant
Alkyl glucosides are recognized as emerging contact allergens that can cause allergic contact dermatitis particularly in individuals with compromised skin barriers [1.3].
Cyclopentasiloxane Emollient
The European Union is restricting this ingredient to a maximum concentration of one tenth of a percent in leave on cosmetics effective June 2027.
Polysorbate 20 Surfactant
As an ethoxylated ingredient, it may contain trace amounts of 1,4 dioxane and ethylene oxide, which are potential carcinogens linked to the manufacturing process.
Carrot Extract Skin Conditioning
Rare instances of phytophotodermatitis have been reported with sunscreens containing carrot extract, likely due to trace furanocoumarins.