Octocrylene 10% Inactive Ingredients: Helianthus Annuus Seed Oil ●
TL;DR. This ingredient is an oil-soluble sunscreen active that primarily absorbs UVB and short UVA, helping reduce sunburn potential in finished SPF products. It can also help stabilize more light-sensitive UV filters in multi-filter formulas.
What does Octocrylene 10% Inactive Ingredients: Helianthus Annuus Seed Oil do in a cosmetic formula?
This ingredient is an oil-soluble sunscreen active that primarily absorbs UVB and short UVA, helping reduce sunburn potential in finished SPF products. It can also help stabilize more light-sensitive UV filters in multi-filter formulas.
Is Octocrylene 10% Inactive Ingredients: Helianthus Annuus Seed Oil clean?
This ingredient is a frequent clean-standard friction point because some retailers and certification schemes restrict synthetic UV filters with sensitization, impurity, and aquatic-environment concerns. Purity, storage conditions, and expiry dating matter because trace degradation impurities can increase over time.
Is Octocrylene 10% Inactive Ingredients: Helianthus Annuus Seed Oil sustainable?
The active molecule is synthetic and largely petrochemical-derived, while the carrier is a renewable plant oil. Its environmental profile is weakened by aquatic persistence and bioaccumulation concerns, even though the carrier oil is biodegradable.
Is Octocrylene 10% Inactive Ingredients: Helianthus Annuus Seed Oil COSMOS-approved?
This ingredient is not aligned with COSMOS-natural or COSMOS-organic sunscreen criteria, which favor permitted mineral UV filters rather than this type of synthetic organic filter. From a Green Chemistry perspective, it scores lower because of nonrenewable feedstocks and limited biodegradability, with only the plant-oil carrier improving the overall profile.
How does Octocrylene 10% Inactive Ingredients: Helianthus Annuus Seed Oil work chemically?
The active molecule is an oil-soluble aromatic ester with conjugated UV-absorbing groups, used at up to 10% in U.S. OTC sunscreen products. In an anhydrous plant-oil carrier it is generally formulation-stable and can support photostability of other filters, but aged material is monitored for trace degradation impurities and benefits from controlled storage.
Last updated 2026-05-14