What it is
O-cymen-5-ol is a substituted phenol that inhibits the growth of bacteria and other microorganisms, allowing it to help protect cosmetic formulas from spoilage. In sunscreens it is used at low levels as part of the preservative system and can also support the formula's overall stability. It is oil-compatible and added according to the preservation needs of the product.
Safety & warnings
O-cymen-5-ol is used at the low levels typical of preservatives and is generally well tolerated, though phenolic antimicrobials can occasionally cause irritation in sensitive individuals. It is not a recognized fragrance allergen. Its concentration in finished products is kept within established preservative use limits.
Origin & sourcing
O-cymen-5-ol is a synthetic compound produced through organic synthesis; it is not obtained by extraction from natural sources.
Questions everyone asks
What does o-cymen-5-ol do in a sunscreen?
It acts as a preservative and antimicrobial agent, helping protect the formula from microbial growth and spoilage.
Is o-cymen-5-ol natural or synthetic?
It is a synthetic phenol derivative made through organic synthesis rather than extracted from a natural source.