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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.
sensitive skin type

Sensitive Skin Type

Sensitive skin is a type that reacts easily to various external and internal factors, often resulting in irritation or inflammation. Common symptoms include redness, itching, burning, stinging sensations, dryness, flakiness, and rash-like bumps. Those with sensitive skin may also experience allergic reactions and feel tight or uncomfortable after using certain skincare or cosmetic products. 

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combination skin type

What To Know About Combination Skin

Combination skin is distinguished by having areas on the face that exhibit both oily and dry characteristics. Typically, the T-zone area, which encompasses the forehead, nose, and chin, tends to be oily, while the cheeks lean towards being dry or normal. Individuals with combination skin may notice enlarged pores, a shiny appearance in the T-zone, occasional breakouts in oily areas, and sensations of tightness or flaking in the dry regions.

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oily skin type

What To Know About Oily Skin

Oily skin, also known as seborrhea, is characterized by the overproduction of sebum, an oily substance produced by the sebaceous glands responsible for lubricating the skin. This excess sebum can create a shiny or greasy appearance, particularly in the T-zone (forehead, nose, and chin) area. Enlarged pores, a tendency towards breakouts like blackheads or whiteheads, and a thick or coarse skin texture are also common features of oily skin.

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dry skin type

Dry Skin Type

Dry skin is a skin type characterized by inadequate moisture or oil in the skin, leading to tightness, discomfort, flakiness, itchiness, and a lackluster appearance. People with dry skin may also experience sensitivity, irritation, and an increased risk of fine lines and wrinkles. Various factors can cause dry skin, including genetics, environmental factors, and some lifestyle habits, such as using harsh skincare products or taking hot showers.

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normal skin type

Normal Skin Type

The reference to “normal” in describing a skin type is characterized by a balanced hydration level, meaning the skin is neither too oily nor too dry, and an intact skin barrier. Those with normal skin exhibit a clear, even tone complexion, with small pores, normal elasticity, and little to no sensitivity.

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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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urea in skincare

Urea in Skincare

A hygroscopic molecule (capable of absorbing water) naturally present in the skin that helps support skin barrier function and enhance water binding capacity. For skincare, urea is synthesized in labs to be effective in treating dry, rough, and scaly skin conditions. It can act as a humectant, emollient and/or exfoliant depending on percentage of use and format.

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glycerin for skin

Glycerin in Skincare

Glycerin is a cosmetic ingredient and OTC skin protectant that has been well studied and is widely used as a humectant. It is known for its ability to improve skin hydration, enhance cutaneous elasticity, and restore the epidermal barrier.

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dimethicone in skin care

Dimethicone in Skincare

Dimethicone is a cosmetic ingredient and OTC skin protectant commonly used for its sensorial aspects in addition to helping the skin stay hydrated, soft, and supple. Due to its large molecular weight it forms a barrier on the skin’s surface to keep in water and protect it from irritants.

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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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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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