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Welcome to Prequel's Skin Notes skincare blog. We’re passionate about skin health education. Skin Notes is a collection of articles that focus on skincare concerns, ingredients, technologies and more.
dermatologist tested meaning

What Does "Dermatologist Tested" Mean?

Dermatologist-tested means safety testing takes place under the supervision of a dermatologist. Safety testing performed under the supervision of a dermatologist can include RIPT (repeated insult patch testing), which tests the irritation and sensitization potential of a product, as well as safety-in-use testing which reflects typical consumer use and exposure to a product. During such testing, a dermatologist will observe, record, and evaluate any skin reactions to confirm or not the irritation potential or allergenicity of the product which ultimately affirms the product’s safety.

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skin barrier support

Dermatologist Tips for Skin Barrier Support and Hydrated, Healthy Skin

Your skin barrier is like a shield that protects your body from environmental aggressors, such as pollution, UV rays, and harmful microorganisms. When this barrier is compromised, it can lead to various skin issues ranging from dryness and sensitivity to infection and chronic inflammation. Made up of skin cells and a blend of fats and proteins secreted by skin cells deeper in the dermis, the skin barrier essentially guards your body against the outside world while preserving moisture and key lipids that keep the skin hydrated and healthy. Maintaining a strong skin barrier is essential for skin that looks and feels its best.

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breaking out vs purging

Is Your Skin Purging or Just Breaking Out?

If you've ever incorporated a new skincare product into your routine, particularly a retinoid or an exfoliant, you may have experienced new breakouts or skin reactions. While initially alarming, this process, known as "purging," can be a sign that your skincare product is effectively working. Dr. Sam Ellis, a board-certified dermatologist, sheds light on this phenomenon.

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skin barrier

Dermatologist's Guide to Repairing Your Skin Barrier

Your skin barrier is your first line of defense against environmental stressors, and nurturing it is vital for healthy, glowing skin. By following this dermatologist-approved morning skincare routine, you can effectively repair and strengthen your skin barrier, leading to a happier and healthier complexion. With dedication and the right products, you'll be well on your way to achieving a resilient, high functioning skin barrier.

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Barrier Therapy Skin Protectant Cream for face and body

Everything To Know About The Barrier Therapy Skin Protectant Cream

Our Barrier Therapy Skin Protectant Cream for face and body is part of our Skin Protectant platform, a drug category identified by the FDA meant to protect injured or exposed skin from harmful or annoying stimuli while helping to provide relief to the skin. Containing 1% Colloidal Oatmeal, our Barrier Therapy Skin Protectant Cream addresses dryness, eczema flare-ups, and atopic dermatitis. 

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acne mistakes

7 Common Acne Mistakes to Avoid for Clearer, Healthier Skin

Acne can be frustrating, but with the right knowledge and skincare routine, you can regain control over your breakouts. In this blog post, dermatologist Dr. Sam Ellis shares valuable insights on the most common acne mistakes people make and provides practical advice on how to avoid them. Let's delve into each mistake and discuss recommended skincare products to help you achieve clearer and healthier skin.

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Dr. Sam Ellis’ Essential Skincare Ingredients

Dr. Sam Ellis’ Essential Skincare Ingredients

Achieving healthy and radiant skin is a common aspiration, and it all begins with understanding the transformative potential of key skincare ingredients. In this blog post, we will explore a curated selection of powerful ingredients that have earned recognition from dermatologists for their remarkable benefits.

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DISCLAIMER: All skin care articles are intended to help educate on specific ingredients and skin care topics. Our articles are written to be informative and informational. Any reference to a specific patient experience is not a medical suggestion for treatment. Please note that any Prequel products with referenced ingredients are formulated for Cosmetic Use Only and NOT intended as replacements for physician advice and/or pharmaceutical product recommendations.


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