Tuesday, August 25, 2026 Never miss a recall or a rule change Go Pro · $20/mo →
Inside MedSpa
FDA Recall & Compliance Alerts for Medspa Owners
RegulatoryAbbVie Launches Phase 2 Forehead Lines StudyyesterdayMarketFacial Rejuvenation Market Forecast to Hit $5.66B by 20303 days agoBusiness & M&AAllergan Aesthetics Overhauls Loyalty ProgramyesterdayDevices & TechXERF Technology Enters Australian Market for Skin Tightening3 days agoBusiness & M&AEvolus Expands Estyme to Canada, Australia, New ZealandyesterdayMarketArm Fat Now Top Body Sculpting Concern in Singapore3 days agoDevices & TechSofwave Hits One Million Treatments MilestoneyesterdayRegulatoryCKD Bio Pursues China Botox Approval—2027 Launch Targeted3 days agoRegulatoryRevance Wins FDA Nod for Under-Eye Injectables2 days agoMarketGLP-1 Pill Era Is Forcing Beauty Market Shift2 days agoInjectablesAEON Releases Expanded ABP-450 Botox Biosimilar Data2 days agoDevices & TechUltherapy PRIME Real-Time Imaging Reshapes Midface Lifting2 days ago
Sun Protection

Avobenzone

Broad-spectrum UVA absorber; degrades under sun exposure.

Also known as: Butyl methoxydibenzoylmethane, 1-(4-methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione, Parsol 1789

What it is
Avobenzone is a lipophilic (oil-soluble) organic UV filter that absorbs UVA radiation, particularly in the UVA-I range (340–400 nm). It is one of the few approved broad-spectrum UVA absorbers in sunscreen formulations.
What it does
Avobenzone absorbs UVA rays and converts them into heat, protecting skin from photodamage, premature aging, and skin cancer risk. However, it is photounstable—it degrades when exposed to sunlight—reducing its protective efficacy over time unless stabilized by other ingredients or frequent reapplication.
The evidence
Strong clinical evidence supports avobenzone's UVA absorption and photoprotection. Moderate evidence shows it degrades significantly within 30–60 minutes of sun exposure; stabilizers (e.g., octocrylene, avobenzone-stabilizing polymers) improve photostability. It is FDA-approved and widely used in broad-spectrum sunscreens.
Best for
All skin types requiring UVA protection; essential for photosensitive individuals, those with melasma or post-inflammatory hyperpigmentation, and anyone seeking broad-spectrum (UVA + UVB) coverage.
Pairs well with
Octocrylene, titanium dioxide, zinc oxide, octinoxate, and avobenzone-stabilizing agents (e.g., Helioplex, Mexoryl SX) to enhance photostability and broad-spectrum protection.
Use cautiously with
Avoid pairing with unstabilized formulations or products prone to separation; avobenzone can interact with certain preservatives or chelating agents if not properly formulated. Reapply frequently (every 2 hours) as it degrades in sunlight.
Cautions
Avobenzone is photounstable and loses efficacy with sun exposure; reapplication is critical. Rare contact sensitization reported in sensitive individuals. Not recommended as the sole UVA filter without stabilizers. Pregnancy: generally recognized as safe, but consult a healthcare provider if concerned.
General information, not medical advice. Ingredient effects vary by formulation, concentration, and skin. Patch-test new actives and consult a qualified provider before starting prescription ingredients.

More sun protection

Know what's coming before your patients ask for it.

New actives, device launches, and the FDA calls that change what you can offer — distilled into a two-minute brief, twice a week. Inside MedSpa Pro.

Go Pro · $20/mo
Inside MedSpa Pro

By the time it's news, it's too late.

The rebate cut, the scope-of-practice bill, the competitor opening down the street — it hits your business before the trade press ever covers it. Pro gets you there first: what happened, why it touches your margins, and exactly what to do — at 6 AM, in two minutes.

Go Pro · $20/mo Never miss a recall or a rule change. Cancel anytime.
The twice-a-week intelligence brief Go Pro · $20/mo →