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Skin Care Library

Skin Care Blogs written by Dermatologist Dr. Leslie Baumann MD, FAAD

Does Sunscreen Expire?

By Dr. Leslie Baumann on Apr 21, 2024

As a dermatologist in Miami, one of the most common questions I receive from patients is, "Does sunblock expire?" You see, many of us here in Miami have sunscreen in ou...

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Skin Probiotics and Skin Care Products for the Microbiome

By Dr. Leslie Baumann on Sep 16, 2023

Learn how skin probiotics and prebiotics can help balance your skin microbiome and promote healthy skin bacteria. This article explains the skin microbiome - the community of microorganisms living on your skin - and how it impacts skin health. Discover why supporting microbial diversity through skin probiotics and prebiotics is key for acne, eczema, and other common skin conditions. Get the latest scientific research on how probiotic skincare ingredients like lactobacillus may increase good skin bacteria and treat skin disorders related to microbial imbalance. Promote skin health by nourishing your unique skin microbiome.

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Penetration and Skin Absorption of Ingredients

By Dr. Leslie Baumann on Jul 31, 2023

How fast do skin care products like creams and serums penetrate into skin? The speed of skin absorption depends on what ingredients are in the skin care product, strength of the skin barrier, humidity levels, and temperature of the skin.

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