Ingredient Guide
Oxybenzone
Oxybenzone is a broad-spectrum chemical UV filter that remains FDA-permitted in the US, though it has been restricted in some regions over coral reef and environmental concerns, and some research has examined its systemic absorption.
Evidence profile
How confident is this recommendation?
Confidence is shown in plain categories, not a numerical trust score.
Effective, well-established UV filter; genuine, unresolved questions exist around systemic absorption and environmental impact that are still being actively researched.
Often combined with other filters for full broad-spectrum coverage.
Effective UVA and UVB coverage in permitted regions.
Banned or restricted in Hawaii, parts of Florida (Key West), and some other regions specifically for reef protection.
The FDA has called for further study; absorption findings alone don’t establish harm, but the question remains actively researched rather than fully settled.
What it is
An effective, widely used filter facing both environmental and absorption questions.
Oxybenzone provides broad-spectrum UV protection and has been used in sunscreens for decades. FDA research published in recent years found that oxybenzone, among several chemical filters, is absorbed into the bloodstream at levels above a threshold that prompted the agency to request further safety data, though this has not led to it being withdrawn from permitted use.
Separately, oxybenzone has been identified in research as a contributor to coral reef bleaching and damage, leading Hawaii, parts of Florida, and other reef-sensitive locations to ban or restrict its sale and use.
Evidence at a glance
Useful evidence, with important limits.
Broad-spectrum UV protection
Oxybenzone provides effective UVA and UVB coverage and has a long history of use in sunscreen formulas.
Limit: Effectiveness is well established; the more active discussion concerns absorption and environmental questions, not UV-filtering performance.
Systemic absorption significance
FDA research found oxybenzone is absorbed into the bloodstream at levels above a study threshold, prompting requests for further safety data.
Limit: Absorption alone does not establish harm; the FDA has not restricted its use pending further research, but the question remains open.
Concentration guide
Regulatory status varies significantly by region.
| Concentration or form | How to interpret it | Practical use |
|---|---|---|
| Up to 6% | The maximum concentration permitted under current FDA sunscreen regulations. | Still legal for sale and use across most of the US, subject to regional reef-protection bans. |
| Banned or restricted | Hawaii, parts of Florida (Key West), and some other reef-sensitive regions. | Check local regulations if traveling to or living in these areas. |
Skin Candid view: If you’re choosing a sunscreen with environmental or absorption considerations in mind, mineral filters like zinc oxide or titanium dioxide are commonly chosen reef-safe and non-absorbed alternatives.
How to use it
Apply generously and reapply, being aware of regional restrictions.
An informed personal choice: Daily sun protection remains essential regardless of filter choice; oxybenzone’s specific considerations are worth weighing against your priorities and location.
Using it with other ingredients
Reduce routine complexity before testing combinations.
Vitamin C
Antioxidants can be used underneath sunscreen for additional support.
Side effects and caution
Generally well tolerated topically; broader questions relate to absorption and environment.
- Contact allergy or irritation is possible, as with any sunscreen filter.
- FDA research found systemic absorption above a study threshold, prompting calls for further data; this remains an active area of research.
- Environmental concerns, particularly for coral reefs, have led to regional bans; check local regulations where relevant.
Frequently asked questions
Oxybenzone, without the pressure to tolerate everything.
Is oxybenzone banned in the US?
Not nationally; it remains FDA-permitted, but Hawaii, parts of Florida, and some other reef-sensitive regions have banned or restricted its sale and use.
Is oxybenzone unsafe to use?
It remains FDA-permitted; absorption research has prompted requests for further safety data, but this has not resulted in a restriction on cosmetic use to date. This is a personal choice many people weigh based on available information.
What are reef-safe sunscreen alternatives?
Mineral filters, zinc oxide and titanium dioxide, are the most commonly recommended reef-safe and non-absorbed alternatives.
Related decisions
Continue from the question you are actually trying to solve.
Sources reviewed
Primary evidence and medical guidance behind this page
- American Academy of Dermatology: How to select a sunscreen
- PMC: Sunscreens and photoageing, a review of current literature
Sources support the general editorial conclusions shown here. They do not prove that every product containing this ingredient will produce the same result.