Ingredient guide
Dioxybenzone (Benzophenone-8)
INCI name · dioxybenzone
In short
Dioxybenzone is an older‑generation chemical UV filter that absorbs UVA and UVB. It is less common today due to sensitisation concerns and has been replaced by newer filters in many regions.
Works forFrom reviewed ingredient data
Barrier
Best used
Morning
What it is
UVA/UVB benzophenone filter; older generation with photoallergy and endocrine-disruption concerns. Largely superseded by newer filters.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
When to use it
Mornings suit it best.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Dioxybenzone
- Moisturise
- SPF
Also found as
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Check an ingredient listCommon questions
What does dioxybenzone do?
It protects formulas—and historically, skin—from UVA and UVB by absorbing UV energy.
Who might encounter dioxybenzone?
It appears mainly in older or legacy sunscreen formulas in specific markets.
How is dioxybenzone used?
When included, it acts as one part of a broader UV‑filter blend, though it is now far less common.
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Personal guidance, not medical advice.