active
Synthetic UV Filters
A class of synthetic organic compounds used in fragrances and cosmetics for UV stability of colour, fragrance, and active ingredients. Distinct from sunscreen UV filters — used in cosmetics primarily as photostabilisers for the formula rather than for SPF provision.
Benefits
- Protect fragrance molecules from UV-induced degradation
- Photostabilise colour cosmetics
- Maintain product performance over time
- Prevent photo-induced discolouration
- Low use concentrations for stabilisation function
Example uses
- Fine fragrance formulations
- Coloured cosmetics
- UV-stabilised botanical products
- Leave-on skincare with light-sensitive actives
- Hair products with UV protection claims
Mechanism of action
Organic UV-absorbing chromophores absorb UV photons via π-conjugated electron transitions, converting UV energy to heat or fluorescence. In fragrance stabilisation, this prevents photodegradation of volatile aroma compounds that would otherwise oxidise or rearrange under UV exposure.
Clinical evidence · High
UV photostabilisation function of organic UV filters well-characterised. Safety depends on specific compound — benzophenone derivatives under regulatory scrutiny.
Effective concentration range
0.01–0.1% in non-sunscreen applications
Formulation notes
Used at low concentrations (0.01–0.1%) as photostabilisers in non-sunscreen cosmetics. Not for SPF claim — non-sunscreen UV stabilisers.
Watchouts
Some overlap with sunscreen UV filter classes — benzophenone derivatives used as photostabilisers may contribute to the endocrine disruption concerns associated with that class. Transparency about specific UV filter identity in cosmetics is limited.
Controversies & overclaims
The specific UV filter compounds used as cosmetic photostabilisers are frequently undisclosed — listed only as 'fragrance' or 'parfum' or not disclosed at all. This limits consumer ability to assess exposure to regulated UV filter compounds.
Market positioning
Marketed as invisible product protection component. The photostabilisation function is real and necessary. Individual compound identity disclosure is the transparency gap.
Comedogenicity
0 / 5
Sensitisation risk
Low
INCI & aliases
organic UV filters · chemical sunscreen actives · UV absorbers
Clean beauty perception
Neutral in clean beauty when used as photostabilisers. The lack of specific disclosure of which UV filters are included as 'perfume' or 'stabiliser' components in cosmetics limits consumer transparency.
Graph relationships
Timeline