Personal Care

Analytical Chemistry

BioScreen offers comprehensive testing for active ingredients, preservatives, sunscreen actives, fragrances and various other cosmetic ingredients.

For sunscreen raw materials assays, we offer both the USP assay procedure and the HPLC instrument procedure. Please indicate in your sample submission which procedure should be performed.

BioScreen performs analysis for organic sunscreen actives in finished products using HPLC instrument. Current Good Manufacturing Practice regulations [21 CFR 211.194 (a)] require that test methods, which are used for assessing compliance of drug products, with established specifications, must meet proper standards for accuracy and reliability.

Some of the Organic Sunscreen actives, which can be analyzed concurrently:
  • Oxybenzone (Benzophenone-3)
  • Octocrylene
  • Meradimate
  • Padimate-O
  • Parsol 1789
  • Octinoxate (Octyl methoxycinnamate)
  • Octisalate (Octyl Salicylate)
  • Cis and trans homosalate
  • Phenylbenzimidazole Sulfonic Acid

BioScreen can also test for inorganic Sunscreen actives:

  • Titanium Dioxide
  • Zinc Oxide

Color -- We conduct testing of FDA detained cosmetics for unregulated colors, color matching and color cosmetic quality assurance.

Comparative Testing of Private Label Cosmetics to Major Brands -- All testing is performed, under strict GMP guidelines, for both retailers and manufacturers to compare private label brands to name brand products.

Physical Testing -- Products may be tested for physical characteristics ranging from color to viscosity in order to determine conformity to specification. Fill heights and weights to insure that products meet all weights and measures regulations may be tested.

Trouble Shooting -- BioScreen has the knowledge and capability to execute forensic analysis to determine problems like microbial or chemical contamination, crystal formation and product separation. We also conduct tests to determine counterfeit products and formulation reverse engineering.

Stability Testing -- Products are tested in accelerated conditions to determine the shelf life/shipping stability.

For a written price quotation please email us at info@bioscreen.com or call 310-214-0043.