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sensiva® PA 40 sensiva® PA 40 is the ultimate protection for sun protection

Consumers want sunscreen products that are effective, but higher SPFs present unique preservation challenges. To bridge this gap, schülke provides sensiva® PA 40 – peerless protection for your sunscreen formulations.

Sunscreen formulas based on organic sun filters become increasingly difficult to preserve as the SPF increases. This can be attributed to the increasing level of polar oil phase.

Sunscreens based on inorganic sun filters have grown increasingly popular. They also pose unique challenges in preservation.

schülke has found through extensive testing that sensiva® PA 40 provides superior preservation in sunscreens and other hard-to-preserve systems.

At schülke, we understand the safety and environmental demands of formulation protection, because at schülke we protect lives worldwide.

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    sensiva® PA 40:
    • • Antimicrobial stabilizer blend
    • • Highly effective at low use levelsblend
    • • Enhancer for traditional preservative systems
    • • Mild humectant and emollient
    • • Biodegradable

  • Technical properties:   

    • • Maximum manufacturing temperature: 120°C
    • • pH-value of end product: 2-12
    • • Shelf-life: 3 years


    INCI Declaration: Phenylpropanol, Propanediol, Caprylyl Glycol, Tocopherol

    Use concentration:

    Leave-on Rinse-off
    schülke recommendation 0.5-1.5% -
    For approvals in specific countries please contact your local sales representative.
    The values given are recommended guidelines. For the use as antimicrobial stabilizer blend the optimum level should be evaluated by means of a repeated challenge test (e.g. at schülke Technical and Microbiological department).
  • other euxyl® products:   

More about sensiva® PA 40:


This synergistic blend combines the antimicrobial boosting activity of phenylpropanol and caprylyl glycol with the boosting and skin care properties of naturally-derived propanediol. The mild moisturizer propanediol improves the skin feel of formulations while enhancing the efficacy of antimicrobial components.

Caprylyl glycol acts as an excellent booster for the antimicrobial properties of nature-identical fragrance ingredient phenylpropanol.

Additionally sensiva® PA 40 provides a very faint flowery scent which can mask possible unpleasant odors of other ingredients in formulations. sensiva® PA 40 can contribute to the antimicrobial stability of a cosmetic formulation.

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At schülke, we understand the safety and environmental demands of formulation protection, because at schülke we protect lives worldwide. Contact us to find out how!