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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.
Hyaluronic Acid Vs. Polyglutamic Acid

Hyaluronic Acid Vs. Polyglutamic Acid - Which Is Right For You?

Both hyaluronic acid and polyglutamic acid offer immediate and noticeable skin hydration but polyglutamic acid can further improve dry skin by aiding in the skin’s natural production of NMF. Polyglutamic acid and hyaluronic acid can even be used together or layered for further hydration and skin plumping as neither of these materials has known compatibility issues.

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multi-quench plumping hydration serum texture

Everything To Know About Multi-Quench Plumping Hydration Serum

Our Multi-Quench Plumping Hydration Serum is a humectant based serum with the star ingredient polyglutamic acid (PGA). Polyglutamic acid is a non-exfoliating peptide made up of several glutamic acid molecules. PGA is a moisturizing polymer that can be synthesized in the lab or created from the fermentation of natto and similar to hyaluronic acid, the molecular size dictates its function or skin benefit.

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polyglutamic acid in skincare

Polyglutamic Acid in Skincare

Polyglutamic Acid is a non-exfoliating natural moisturizing peptide proven to be a better hydrator than hyaluronic acid and collagen protein as it helps restore skin elasticity, smooth visual wrinkles, and increase production of NMF. This anionic soothing polymer can also help provide skin smoothness and protection against external aggressions.

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ectoin in skincare

Ectoin in Skincare

Ectoin is an amino acid derivative that acts as a high-end, clinically proven active ingredient to help protect skin from dehydration and various external stressors such as free radicals, air pollution, and climate concerns and promote skin barrier improvements. Suitable for all skin types including sensitive skin.

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sun barrier mineral sunscreen texture

Everything To Know About The Sun Barrier Broad Spectrum SPF 50 PA++++

Sun Barrier Broad Spectrum SPF 50 PA++++ Mineral Sunscreen contains antioxidants including tetrahydrocucuminoids, standardized molecules from turmeric root, that scavenge free radicals, reduce irritation and increase skin brightness. Pongamia is an extract that helps reduce skin stress following UV exposure and environmental aggressors. We also added bisabolol, calendula, and centella asiatica to reduce the appearance of redness and provide skin relief. 

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broad spectrum sunscreen

What is Broad Spectrum Sunscreen?

A sunscreen labeled with a broad spectrum claim indicates that it shields the skin from both UVA and UVB radiation, the two primary types of ultraviolet radiation that contribute to skin damage, premature aging, and skin cancer. Sunscreens that do not indicate broad spectrum only protect against UVB radiation and only have an SPF value on the packaging. Broad-spectrum sunscreens have the additional claim “broad spectrum” listed before the SPF value.

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redness reform soothing serum

Everything to Know about Redness Reform Soothing Serum

“Facial skin redness is one of the most common concerns I see and something I struggle with myself. There are different causes of redness and different ways to target it. This serum provides a comprehensive solution to reduce the appearance of redness and irritation, and it’s become a staple in my skincare routine.” - Dr. Sam Ellis, Founder

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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. 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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