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Dr. Shirley W. Wynne
Commissioner of Health of New York City
says:
'Colgate's is most efficient cleanser
RESPONSIBLE for the health of six million Americans, Dr. Shirley W. Wynne, Health Commissioner of New York City, examined reports of laboratory tests comparing Colgate's with other prominent dentifrices — and of all those examined, he singles out Colgate's Ribbon Dental Cream as "the most effective cleanser. " His approval is undeniably impressive. Interested as he is in all branches of public health, Dr. Wynne recently made a careful study of the difference in dentifrices. He examined tests made by some of America's greatest analytical chemists.
Dr. Wynne's conclusion is based on the recent research of such eminent authorities as Dr. Hardee Chambliss, Dean of the School of Sciences, Catholic University of America, Washington, D. C. ; Dr. Philip B. Hawk, M.S., Yale, Ph.D., Columbia; Jerome Alexander, B. S., M. S., internationally famous among consulting chemists and chemical engineers ; Dr. H. H. Bunzcll, Ph.D., University of Chicago, and others, retained to make analytical tests and report their findings.
All agree that Colgate's is supreme because . of its penetrating foam. This active agent flushes out the decaying food particles which lodge between the teeth. Colgate's thus cleanses completely — in a way impossible with sluggish tooth pastes which merely polish the outer surfaces of the teeth.
Dr. Wynne says:
"The sole function of a dentifrice is to thoroughly cleanse the teeth and gums. To be an effective cleanser a dentifrice must have low surface tension in solution. Low surface tension is, therefore, the true scientific indication of cleansing power OH the part of a dentifrice in actual use. "I have examined the reports of laboratory tests made by eminent chemists who have compared Colgate's with other prominent dentifrices and I find that Colgate's rates the lowest surface tension. This means that Colgate's is the most efficient cleanser of those examined because it gets into the crevices between the teeth, thus removing and flooding away decaying foods. "
The price is important — but the quality — not the price — has held CoUate leadership for 30 years.
SHIRLEY W. WYNNE, M. D.. Dr. p. h.
Commissioner of Health, New York City; M. D., Columbia University; Member American Medical Association; Prof. Preventive Medicine, N. Y. Polyclinic Medical School and Hospital; Prof, Public Health, Fordham School of Sociolojiy and Social Service; Keco(ini/.ed internationally as an authority on matters of Public Health.
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