Rosacea Care Best Practices

Shannon JohnsonRosacea, Skin Insights

Shannon L. Johnson NP-C, Founder and Formulator, MeridaSKIN Avoidance of Irritants, Allergens and Pore-Cloggers Ingredients with high irritation, allergy and pore-clogging potential are common in cosmetic products and topical medications in the United States. These products are often labeled or …

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parabens

Skingredient Savvy: Parabens

Shannon JohnsonSkin Insights, Skincare Ingredients

Parabens show up in personal care products as preservatives. They serve the essential safety function of inhibiting microbial growth. They are included as part of a formula to guard against it becoming a factory for bacteria, mold or yeast in …

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sulfates

Skingredient Savvy: Sulfates

Shannon JohnsonSkin Insights, Skincare Ingredients

Sulfates serve as surfactants in personal care products such as skin cleanser and shampoo. The word surfactant is a shortening of surface-active agent. Surfactants reduce surface tension in liquids, making them useful in removing oil and debris from skin and …

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