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SKIN NOTES - THE SKINCARE BLOG

Welcome to Prequel's Skin Notes. As a dermatologist-developed brand, we're passionate about skin health education. Skin Notes is a skincare blog that focuses on skin concerns, efficacious ingredients, new technologies and more.
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SKIN TYPES
SKIN CONCERNS
INGREDIENT LOG
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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petrolatum for skin

Petrolatum in Skincare

Petrolatum is a cosmetic ingredient and OTC skin protectant used as an occlusive agent. It creates a protective barrier on the skin's surface that helps to prevent moisture loss and protect the skin from external irritants.

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cica for skin

Cica in Skincare

Cica is a medicinal herb known for its topical soothing, rejuvenating and moisturizing properties. Effective in calming inflamed and sensitized skin to achieve a more balanced skin barrier.

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feverfew in skincare

Feverfew in Skincare

Feverfew is an extract known for its antioxidant and anti-inflammatory properties. Used in skincare for its soothing effects and to help alleviate irritation and topical redness, making it suitable for sensitive and reactive skin types.

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shea butter in skincare

Shea Butter in Skincare

Shea butter is a tree-nut-derived emollient that is rich in unsaponifiables and is also a natural source of vitamin E. Utilized in skin care to help soothe, moisturize, and visually improve dry or compromised skin.

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arginine in skincare

Arginine in Skincare

Arginine is an amino acid part of the natural moisturizing factor (NMF) that adheres to skin due to its cationic charge. It provides long-lasting hydration and in a surfactant system reduces skin dryness.

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Kojic Acid in Skincare

Kojic Acid in Skincare

Kojic acid is a by-product of the fermentation process of certain types of fungi known for its skin-lightening properties. Effective in treating hyperpigmentation and age spots for a brighter, more even skin tone.

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ellagic acid in skincare

Ellagic Acid in Skincare

Ellagic acid is a naturally occurring polyphenol with potent antioxidant and skin-brightening properties. Effective in protecting the skin from environmental damage and reducing the appearance of dark spots.

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lactic acid for skin

Lactic Acid in Skincare

Lactic acid is a type of AHA that gently removes the top layer of dead skin cells to help improve skin texture, reduce dark spots, smooth fine lines, hydrate, and improve skin complexion.

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Vitamin K in Skincare

Vitamin K in Skincare

Vitamin K is a fat-soluble vitamin hailed for its potential in promoting skin health by accelerating the skin's healing process and improving various skin conditions, including dark circles, rosacea, and spider veins.

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azelaic acid for skin

Azelaic Acid in Skincare

Azelaic Acid is a dicarboxylic acid, different from alpha hydroxy acids and beta hydroxy acids, that acts as a “skin balancing ingredient” to address bioprocesses that are overreacting. It normalizes skin pigmentation, decreasing hyperpigmentation.

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SKIN NOTES

DISCLAIMER: All skincare blog posts are intended to help educate on specific ingredients and skin care topics. Our articles are written to be informative and informational. They are not indicative of individual performance. Results may vary per applicant. 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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