You’re reading Cosmetic Conundrums, a column where Zoe Diana Draelos, M.D., answers your cosmetic questions. Browse more stories here.
 
New concepts in cosmeceuticals: Body rhythm moisturizers
In this Cosmetic Conundrum article, Draelos discusses how cosmeceuticals can be modified to address the diurnal variation in skin needs that occur during the body’s circadian rhythm.
 
Cosmetic technology advances
Dr. Draelos answers questions regarding different types of moisturizers, including stem cell and biologic-containing products in this article.
 
Facial care fleshed out
What is the medical value of disposable paper face masks? Is there an effective cosmetic treatment for black dot follicles? Dr. Draelos answers these questions and more in this article.

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