Top 5 Ingredients to Avoid in Skin Care
John will define chemical irritancy and contact dermatitis, then review common ingredients responsible for skin reactivity.
Friday, March 27th
10:00 AM PT / 1:00 PM ET
Organic Chemistry
John explains the principles of organic chemistry in simple terms as it relates to cosmeceuticals.
Friday, April 3rd
10:00 AM PT / 1:00 PM ET
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