Monderma- 26 Apr 2025
- Absorbs UVA for defence
- Stabilised for steady cover
- Well tolerated for daily use
- Safety supported in studies
- Sunscreen supports Monderma use
Sunscreen ingredients can feel complex, yet understanding them helps protect skin more confidently. Avobenzone is a common UVA filter that supports broad cover in many daily products.
In this article, we explain how avobenzone works, how it is stabilised, and how it fits within sun protection routines. We also explore alternatives for those seeking avobenzone free options.
What Avobenzone Is
Avobenzone is a chemical filter that absorbs UVA rays. These rays reach deep into the skin and contribute to visible ageing and long term sun related change [1].
This ingredient converts UV energy into heat that then disperses from the skin surface. Stabilising agents help maintain its performance during sun exposure.
How Avobenzone Works
Avobenzone absorbs UVA wavelengths and converts them into less harmful energy. Without stabilisers it may break down over time, so modern formulas include supporting filters [1].
These combinations help maintain broad spectrum defence, which protects against the effects of both UVA and UVB light in daily environments.
Key Actions
| Action | Summary |
|---|---|
| UVA absorption | Helps defend against long wave rays [1] |
| Stabilisation | Octocrylene helps maintain function [1] |
Table 1: Avobenzone behaviour
Benefits In Sunscreens
Avobenzone supports broad cover by absorbing most UVA rays, which contribute to visible ageing and long term sun effects [2]. This makes it a central filter in many formulas.
It combines well with other filters, supporting a range of textures. Many people with sensitive skin tolerate it, although some may experience mild irritation [3].
Benefits Overview
| Benefit | Summary |
|---|---|
| Broad cover | Absorbs UVA for daily defence [1] |
| Versatility | Blends well with other filters [1] |
| Tolerability | Comfortable for many skin types [3] |
Table 2: Avobenzone benefits
Where Avobenzone Is Used
Avobenzone appears in sunscreens, daily moisturisers with SPF, tinted products, and foundations that include sun filters. These cosmetic uses support everyday defence.
These products help simplify routines by combining texture, tint, and UV cover in one step, offering convenience for regular use.
Safety Considerations
Regulators approve avobenzone within specific limits, reflecting evidence for safe use at typical concentrations [2]. Some studies show measurable absorption, yet current data has not demonstrated harm at these levels [4].
Laboratory studies on endocrine activity involve far higher concentrations than those seen in human use, and their relevance remains unclear [5]. Stabilising ingredients help limit breakdown during sun exposure [1].
Safety Notes
| Topic | Summary |
|---|---|
| Systemic absorption | Detected but not shown harmful at use levels [4] |
| Endocrine studies | Effects observed only at high doses [5] |
Table 3: Safety overview
Environmental Points
Some research examines the presence of sunscreen filters in aquatic settings. Avobenzone has been detected in water sources, and its effects are still being studied [6].
People seeking lower environmental impact may prefer mineral sunscreens that use zinc oxide or titanium dioxide and are often labelled reef friendly [6].

Alternatives To Avobenzone
Mineral sunscreens reflect UV light using zinc oxide and titanium dioxide. These offer broad cover and suit sensitive skin, though some may leave a light cast.
Chemical formulas without avobenzone combine filters like homosalate or octocrylene. These support UV defence but may have narrower coverage without additional filters [2].
Alternatives
| Option | Summary |
|---|---|
| Mineral filters | Zinc oxide and titanium dioxide offer physical defence |
| Chemical filters | Provide cover without using avobenzone |
Table 4: Alternatives for sun cover
Choosing Sunscreens
Choice depends on comfort, skin type, and expected sun exposure. Broad coverage is important for daily routines, especially during outdoor time or travel.
For water activities, water resistant products help maintain protection. Reapplication supports continued defence throughout the day.
Conclusion
Avobenzone offers broad UVA protection and can be found in many daily skincare products, helping support long term skin health. Mineral alternatives provide options for those who prefer avobenzone free formulas or have specific skin sensitivities.
If you would like personalised skincare shaped around your own needs, you can explore a custom formula through Monderma.
Content is for informational purposes only. Monderma treatments are prescribed following consultation. Results and timeframes can vary. Use as directed by your prescriber.
References
- Nash JF, Tanner PR. Photodermatol Photoimmunol Photomed.
- Wang SQ, Balagula Y, Osterwalder U. J Am Acad Dermatol.
- Wang SQ, Lim HW. J Am Acad Dermatol.
- Matta MK, Zusterzeel R, Pilli NR, et al. JAMA.
- Ka Y, Ji K. Ecotoxicology.
- Chatzigianni M, Pavlou P, Siamidi A, et al. Ecotoxicology.






