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...
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.
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...
Aloe Vera in Skincare
Aloe vera is a natural humectant that soothes, calms, and comforts the skin. It helps balance skin's moisture levels and enhances elasticity.
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...
Hyaluronic Acid in Skincare
Hyaluronic acid is a key sugar molecule native to the skin that effectively draws and retains moisture into the skin for a plumper, more youthful appearance.
Benzoyl Peroxide in Skincare
Benzoyl Peroxide is an OTC active proven to combat and prevent acne blemishes and promote a clear skin complexion.
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...
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.
Tranexamic Acid in Skincare
Tranexamic acid is a synthetic derivative of the amino acid lysine recognized for its ability to reduce hyperpigmentation and inflammation to help achieve a more even and radiant complexion.
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...
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...
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...
Sulfur in Skincare
Sulfur is a cosmetic ingredient and OTC acne active that is used to reduce sebum production, acne blemishes and the appearance of scars due to its ability to exfoliate. Sulphur...
Retinaldehyde in Skincare
Retinaldehyde is a part of the retinoid family closest to retinoic acid on the conversion scale, making it more potent and bioavailable than retinol. It helps improve skin elasticity, increase...
SKIN NOTES