American Association of Textile Chemists and Colorists
http://www.aatcc.org/

American Academy of Dermatology
http://www.aad.org/

American Society for Photobiology
http://www.pol-us.net/ASP_Home/index.html

Colipa-The European Cosmetics Association
http://www.cosmeticsandtoiletries.com/

Cosmetics and Toiletries Magazine
http://www.happi.com/

Dr. Score
http://www.drscore.com/index.cfm

European Society for Photobiology
http://www.esp-photobiology.it/

Gooch & Housego Spectroradiometers
http://www.goochandhousego.com/products/systems/spectroradiometers

Household and Personal Products Industry
http://www.happi.com/

Labsphere
http://www.labsphere.com/

Ocean Optics
http://www.oceanoptics.com/

Personal Care Products Council
http://www.personalcarecouncil.org/

Skin and Aging Magazine
http://skinandaging.com/

Skin Cancer Foundation
http://www.skincancer.org/

Society of Cosmetic Chemists
http://www.scconline.org/website/index.shtml

Solar Light Company
http://www.solarlight.com/

The Photomedicine Society
http://www.photomedicine.org/

U.S. Food and Drug Admistration
http://www.fda.gov/