SolaStay® S1 | Hallstar | DeWolf Chemical an Azelis company

SolaStay® S1

Ethylhexyl Methoxycrylene
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SolaStay® S1


Supplied by:
Not available (from DeWolf) in the following state(s):
Hallstar is not available from DeWolf in Texas, Oklahoma, Louisiana Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia. For these states, please contact our sister company Glenn Corp at or (651) 221-2406. Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming, Please contact our sister company Ross organic at or (562) 236-5700.  


SolaStay® S1 is a viscous yellow liquid designed for use in skin care and sun care products. It is a highly efficient singlet state quencher for Butyl Methoxydibenzoylmethane (Avobenzone) and Ethylhexyl Methoxycinnamate (Octinoxate). Indeed, it outperforms Octocrylene as an Avobenzone photostabilizer, photostabilizes Octinoxate and Avobenzone when formulated together, is an outstanding solvent for crystalline UV filters, is easily emulsified, and is suitable for use in lotion, cream, spray, stick, and gel formulations. At a recommended use level in sunscreens equal to the weight percentage of Avobenzone in the formulation (typically 2 – 3%), the result is new heights in broad spectrum UVA and UVB photoprotection.  Used at 1-3% with mineral UV filters and/or cosmetic colorants, it mitigates the photocatalytic and reactive oxygen species-generating activities of these oxides.  INCI: Ethylhexyl Methoxycrylene

SolaStay® S1 has also been documented to substantially photostabilize Cholecalciferol, Resveratrol, Retinol, Retinyl Palmitate, and Ubiquinone, which may be incorporated in skin care products for their anti-aging and other benefits. The recommended usage levels for SolaStay® S1 to photostabilize these products is 3 – 5%.

Features & Benefits of SolaStay® S1:

  • Anti-aging Ingredient Photostabilizer
  • Sunscreen Active Photostabilizer
  • Sunscreen Solvent

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    • INCI
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      Ethylhexyl Methoxycrylene
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