Ingredient glossary

Tinosorb S

What Tinosorb S does for your skin, who it suits, and what to watch for.

INCI: Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine · Also: BEMT

Sun protection

In short: Tinosorb S delivers broad spectrum uv protection, suits most skin types, and the evidence behind it is strong.

What it does
Broad spectrum uv protection
Best for
Most skin types
Evidence
Strong
Does it clash with what you use? Check it →

The molecule

Tap to enlarge
Chemical structure of Tinosorb S (Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine)

The Glow take

Only as good as the sunscreen it lives in.

As a single filter, Tinosorb S only matters as part of a finished sunscreen you actually reapply. The best SPF is the one that feels good enough to wear every morning.

— Maya

What it does

  • broad spectrum uv protection

strong evidenceStudies and manufacturer data show Tinosorb S significantly boosts SPF and prevents photodegradation of avobenzone and cinnamate filters, with minimal skin penetration.

On a label: usually effective at 3-10%.

Who it's for, and who should skip it

Tends to suit

  • all
  • sensitive

Approach with care

No specific group flagged to avoid it.

  • Clogs poresLow
  • Irritation riskLow

How it fits each skin type

  • DrySuits
  • CombinationSuits
  • OilySuits
  • SensitiveSuits

Where it fits in your routine

WhenMorning
Where in the orderThe last step, over everything else

Plays well with

Tinosorb S, answered

Is Tinosorb S safe during pregnancy?

Yes. Tinosorb S is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.

Who should avoid Tinosorb S?

No specific group is flagged to avoid Tinosorb S. It is well tolerated by most skin. Still, introduce anything new one product at a time.

What concentration of Tinosorb S actually works?

Tinosorb S tends to do its job in the 3 to 10% range. Much lower and it is likely underdosed.

This, for every label you own

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Sources & how we reviewed this

Last reviewed July 2026. Educational information about a cosmetic ingredient, not medical advice.