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Diethylamino Hydroxybenzoyl Hexyl Benzoate

What Diethylamino Hydroxybenzoyl Hexyl Benzoate is & what it does

A photostable, oil-soluble UVA filter (Uvinul A Plus) that targets the longer UVA wavelengths linked to aging and pigmentation. It pairs well with UVB filters to round out a broad-spectrum profile and helps support avobenzone stability.

What is DHHB?

DHHB stands for Diethylamino Hydroxybenzoyl Hexyl Benzoate, a modern oil-soluble UVA sunscreen filter sold under the trade name Uvinul A Plus. It gives a sunscreen strong, photostable protection against UVA light, the part of the spectrum most linked to photoaging and pigmentation.

Is DHHB a UVA or UVB filter?

DHHB is a UVA filter. Its absorption peaks around 354 nm, deep in the UVA range, so it is used specifically to cover UVA rather than UVB. Sunscreens combine it with UVB filters to reach full broad-spectrum protection, and it can also help stabilize less photostable filters like avobenzone.

Is DHHB safe?

DHHB is regarded as a well-tolerated, low-irritation filter. It is photostable (it does not break down in sunlight), shows very low skin penetration, and is approved for sunscreens in the EU, UK, Asia and many other markets. It is not currently approved for US sunscreens, which is a regulatory backlog rather than a safety finding.

Is DHHB natural?

No, DHHB (Uvinul A Plus) is a modern synthetic UVA filter, made in a lab and not found in nature. Synthetic here just means it was engineered for strong, photostable UVA protection, not that it is unsafe.

Is DHHB safe to use during pregnancy?

DHHB (Uvinul A Plus) has very low skin penetration and no proven pregnancy concern. Like other chemical filters, some people prefer mineral sunscreens while pregnant for extra reassurance, but DHHB itself is not a known risk. Your doctor can advise on your situation.

Sunscreens with Diethylamino Hydroxybenzoyl Hexyl Benzoate

We rate 2204 sunscreens that contain it, showing the top 10 by overall score:

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