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Efficacy
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Section: Testing > Efficacy
Tech Transfer
Words from Wiechers: Dancing to the Dollar
In this installment of our "Words from Wiechers" series, co-author O'Lenick disagrees with Wiechers's belief that cosmetic and pharma businesses are driven by the same dynamics. Read on to learn more.
Efficacy
Words from Wiechers: Off the Scales?
In this installment of our Words from Wiechers series, the late author reviews three types of lies in the cosmetics industry: "lies, damn lies and statistics," keeping our statistical honor in check.
Cosmetic Ingredients
Words from Wiechers: Without Penetration, No Delivery
This somewhat tongue-in-cheek edition of our "Words from Wiechers" series offers insight to improve the efficacy of actives.
Efficacy
Words from Wiechers: Cosmetic
Idols
In this month's "Words from Wiechers" series, we learn that while proper branding and marketing are a prerequisite for initial success, it is the consumer experience and satisfaction that will drive resale and ultimate success of a product.
Efficacy
Words from Wiechers: Mediocre Mediocracy?
In this installment of our Words from Wiechers series, cosmetic scientists are reminded to not just perform proper science, but also to communicate the results properly and in the right context to avoid misinterpretation—and misinformation.
Efficacy
Words from Wiechers: The Power of Suggestion
In this edition of our Words from Wiechers series, the late author explains the power of belief in product efficacy—and why products should be evaluated based on the perceived value they deliver to consumers.
Efficacy
Words from Wiechers on 'Snake Oil Sellers'
Now more than ever, "snake oil sellers" have access to consumers, which may be, in part, why the industry is consistently under attack. In this first installment of our new "Words from Wiechers" series, column editor Tony O'Lenick shares lessons for the betterment of both formulas and the industry's overall credibility.
Methods/Tools
Words from Wiechers: How Scientific is Cosmetic Science?
Academic versus commercial science are explored in this installment of our "Words from Wiechers" series. Here, O'Lenick reflects on Wiechers's view of science, additionally highlighting his omission of the end user's experience.
Efficacy
Words from Wiechers: Much Ado About Nothing
In this edition of the Words from Wiechers series, the late author explores product and ingredient claims, placebo studies and test designs to ensure claims are accurately substantiated.
Efficacy
Words from Wiechers: Is Cosmetic Science Really 'Bad'?
In this month's "Words from Wiechers" series, we learn about a metric to evaluate cosmetic science and related claims: The Baloney Detection Kit.
Efficacy
Words from Wiechers: What You Say is What You Get
This installment of "Words from Wiechers" explores what we see and say about cosmetic products, and cautions to not make “conclusions” that are simply that—conclusions, without underlying science.
Efficacy
Words from Wiechers: Less is More
The addition of extra ingredients in a formulation costs money, complicates manufacturing, impacts quality control and more. Here, we learn how less is more in product formulating.
Methods/Tools
Words from Wiechers: All That is Good is Bad
We need to keep in mind that we may be able to maintain an appearance of youth and even measure the difference in a chemical marker in two people; but we need to avoid the Dorian Gray effect.
Efficacy
Words from Wiechers: What is 'Normal' Skin Care?
This article series considers the many lessons the cosmetics R&D industry can learn from the late Johann Wiechers, Ph.D. The present installment addresses where to draw the line between a cosmetic and drug.
Efficacy
Words from Wiechers: Close to Borderland Science
"Where does cosmetic science stand? Is it normal science, borderland science or non-science, aka, nonsense?" This column discusses the science behind cosmetic claims.
Efficacy
Words from Wiechers: Perception of Reality or Reality of Perception?
"Suppliers promise quite a lot to their customers," Wiechers tells us. "And [manufacturers] love to insist on more...This attitude promotes a shift from reality to perception." Read on to learn this month's lesson from Wiechers.
Efficacy
Words from Wiechers: Who Do You Think You're Fooling?
In this edition, Wiechers admonishes us to “make cosmetic science into something we can be proud of again,” and reminds us that “cosmetic science is only as bad as you and I make it." Read on to learn more about who's "fooling" whom.
Efficacy
Words from Wiechers: In the Land of the Blind, the One-eyed Man is King
"Regulatory bodies claim that everything should be tested against a placebo, but they should also learn to see there is a difference between fundamental science and applied science," the late Johann Wiechers, Ph.D., writes, in this month's column. He also explains blinded studies.
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