How are Dr. Holly's drops preserved?
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Dr. Holly's drops/preservatives
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Dwelle, Dakrina and NutraTear are preserved with a safe and non-irritating, patented preservative developed by Dr. Holly; known as Busan-1507 (polixetonium or polyquaternium-42).
http://www.dryeyezone.com/encyclopedia/busan1507.html
http://www.dryeyezone.com/faq/otcats.htmlCindy
"People may not always remember exactly what you said or what you did, but they will always remember how you made them feel." ~ Unknown
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