Phytosterols in Skincare
Phytosterols are natural plant molecules that lock in moisture to help keep skin hydrated. They work to prevent water loss from the skin, which reduces dryness and flakiness. Phytosterols, which...
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.
Lipid Layer Enhancers in Skincare
Lipid layer enhancers are refatting emollients added to a formula to provide the skin with the lipids it needs. They increase the moisture content of the skin by reducing evaporation,...
Malic Acid in Skincare
Malic acid is an alpha hydroxy acid (AHA) found in many fruits that helps stimulate exfoliation by interfering with how your skin cells bond. Its function is beneficial in removing...
Film Formers in Skincare
Film formers are a category of materials that form a layer or "film" to cover surface of the skin. These materials can be natural or synthetic and are used to...
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...
Our Products That Received the National Rosacea Society Seal of Acceptance
We are pleased to announce that a number of our Prequel SKUs have been awarded the new National Rosacea Society Seal of Acceptance. The National Rosacea Society (NRS) publicly announced...
Zinc Oxide in Skincare
Zinc Oxide is an FDA-approved, inorganic, mineral sunscreen filter used to protect the skin from the sun's ultraviolet rays. The larger particle size of non-nano zinc oxide creates a UV...
Tetrahydrocurcuminoids in Skincare
Tetrahydrocurcuminoids are standardized antioxidant molecules from turmeric root that scavenge free radicals, reduce irritation and increase skin brightness.
α-Bisabolol in Skincare
A calming bioactive known for its skin soothing and antioxidant properties. α-Bisabolol is the most active isomeric form of bisabolol and restores skin comfort while reducing oxidative damage.
Everything To Know About The Urea Advanced Relief Moisturizing Milk
Urea is a natural component in the skin that supports the skin barrier function and enhances water binding capacity. It is part of the natural moisturizing factor (NMF) necessary for hydration...
Cosmetic Ingredients That Help With Dark Spots
Dark spots, also known as sunspots or age spots, are a frequent skin concern that can develop due to prolonged sun exposure or as part of the natural aging process....
Cosmetic Ingredients That Help With Acne
Acne-prone skin often requires a targeted approach, focusing on ingredients that tackle the primary causes of breakouts: excess oil or hyperseborrhea, clogged pores caused by hyperkeratinization, and hyperproliferation of Cutibacterium...
What Is Patch Testing In Skin Care?
By performing a patch test on a small area of skin, a person can see how their skin tolerates a product before committing to using the product over a larger...
Everything To Know About The Lucent-C Vitamin C Serum 15%
Our Lucent-C Vitamin C Serum 15% enhances the radiance, luminosity, and lucency of the skin while improving firmness and elasticity. It contains 15% l-ascorbic acid, the most biologically available and...
Vitamin C in Skincare
The biologically active isomer, also referred to as L-ascorbic acid, known to neutralize free radicals which helps combat the signs of skin aging and enhance tone and firmness.
SKIN NOTES