Octocrylene (Ingredient Explained + Products)

Chemical UV filters are synthetic compounds that absorb and dissipate harmful UV rays, providing sun protection by converting UV radiation into heat energy.

The term ‘reef-safe’ typically refers to ingredients believed to be less harmful to coral reefs, but research on this topic is still evolving and sometimes conflicting. This list highlights ingredients that are commonly avoided for environmental reasons, though more studies are needed for clear conclusions.

These are common ingredients that may trigger eczema flare-ups, but everyone’s skin is different. If you have eczema or suspect you might, it’s important to check with a medical professional for the best care and product guidance.

Octocrylene protects skin from sun damage. It absorbs UV-B with peak absorption of 304 nm. It is a common sunscreen ingredient and often paired with avobenzone, a UVA filter. This is because octocrylene stabilizes other sunscreen ingredients by protecting them from degradation when exposed to sunlight. Octocrylene is a photostable ingredient and loses about 10% of SPF in 95 minutes.

Octocrylene also acts as an emollient, meaning it helps skin retain moisture and softens skin. It is oil-soluble and hydrophobic, enhancing water-resistant properties in a product.

Those who are using ketoprofen, a topical anti-inflammatory drug, may experience an allergic reaction when using octocrylene. It is best to speak with a healthcare professional about using sunscreens with octocrylene.

The EU allows a maximum of these concentrations: