What type of UV rays does Disodium Phenyl Dibenzimidazole Tetrasulfonate protect against?

This UV filter primarily protects against UVB radiation, which causes sunburn, and also offers some protection against UVA II rays.

Is this ingredient water-resistant?

While the ingredient itself is water-soluble, its inclusion in a water-resistant sunscreen formulation depends on the overall product design and other ingredients.

Home › Ingredients › Disodium Phenyl Dibenzimidazole Tetrasulfonate

Disodium Phenyl Dibenzimidazole Tetrasulfonate

This ingredient is a water-soluble organic UV filter that primarily absorbs UVB radiation and some UVA II radiation. It helps protect the skin from sunburn and sun damage by converting UV light into heat. Its water solubility makes it useful in lighter, non-greasy sunscreen formulations.

Sunscreen filterUV filterVeganEvidence: High

BenefitStrong 3.5 / 4

Uv protection i3.5 / 4

Whether it provides direct protection against UV radiation.

RiskModerate 1.5 / 4

Irritation i1 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Sensitization i0.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

UVB protection
UVA II protection
prevents sunburn

Things to watch

potential for skin irritation
possible sensitization

Pairs well with

Sunscreen Filter — Combining different UV filters provides broader spectrum protection against both UVA and UVB rays.

See how this matches your skin

Find out exactly what you put onto your skin. Scan any product before you buy. Free and independent — no brand is paying us. Available on both on Android and Apple

QR code linking to the SpottyLabs app on Google Play

Frequently asked questions

What type of UV rays does Disodium Phenyl Dibenzimidazole Tetrasulfonate protect against?: This UV filter primarily protects against UVB radiation, which causes sunburn, and also offers some protection against UVA II rays.
Is this ingredient water-resistant?: While the ingredient itself is water-soluble, its inclusion in a water-resistant sunscreen formulation depends on the overall product design and other ingredients.