Avobenzone

INCI: Butyl Methoxydibenzoylmethane

Broad-spectrum chemical UVA filter. Covers the UVA1 range (340–400 nm) where mineral filters are weaker. Photounstable – requires stabilizers (octocrylene, Tinosorb S).

Protection

Evidence by route

Topical application

Proven efficacy. Two or more independent RCTs with instrumental endpoints.

FDA approved as an OTC UV filter. UVA protection efficacy confirmed by decades of data. Photodegradation is the main issue: without stabilizers, it loses up to 50% activity within 1 hour of sun exposure.

Schwack W et al. J Photochem Photobiol B. 1995;28(3):199-201.
FDA Monograph 21 CFR 352.

Tolerability and safety

Irritation potential

Low

Allergen risk

Low

Pregnancy

Caution

Skin types

Suitable for

NormalCombinationOilyDry

Use with caution

Sensitive

Combinations with other ingredients

Works well with

OctocryleneОктокрилен

Octocrylene stabilizes photo-unstable avobenzone. However, octocrylene itself degrades to benzophenone during long storage – factor this in.

Uvinul A PlusУвинул A Plus

DHHB (Uvinul A Plus) stabilizes avobenzone as well as octocrylene but without degradation risks. The modern choice.

Frequently asked questions

Is Avobenzone safe during pregnancy?

Avobenzone should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.

What skin types is Avobenzone for?

Avobenzone suits: normal, combination, oily, dry. Use with caution in: sensitive.