Discussions tagged with 'labs' Natures_beauty Italian manufacturers and cosmetic labs PatD replied 3 years ago 3 Members · 4 Replies Resources Zink Best SPF in vivo testing lab in the US or Worldwide? List of options Anonymous replied 7 years, 4 months ago 1 Member · 1 Reply Advanced Questions Zink Testing labs that can measure TEWL at reasonable cost? Or where to rent equipment? Zink replied 8 years, 5 months ago 1 Member · 0 Replies Advanced Questions Viewing 1 - 3 of 3 discussions