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SKIN NOTES - THE PREQUEL SKINCARE BLOG

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.
TIPS + ADVICE
SKIN TYPES
SKIN CONCERNS
INGREDIENT LOG
salicylic acid in skincare

Salicylic Acid in Skincare

Salicylic acid is a well studied BHA that exfoliates to encourage the shedding of top layer skin cells to help reveal younger and smoother looking skin. Used as a cosmetic ingredient as well as an OTC active for acne management.

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glycerin in skincare

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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zinc pca in skincare

Zinc PCA in Skincare

Zinc PCA is a zinc salt combined with L-PCA, a natural moisturizing factor (NMF), known to help normalize sebum production as well as delivering beneficial hydration.

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succinic acid in skincare

Succinic Acid in Skincare

Succinic acid is a type of gentle facial acid that helps visually brighten the skin. It also has soothing and antioxidant benefits. Succinic acid has been compared in it's function to hyaluronic acid.

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glycolic acid vs vitamin c

Glycolic Acid Vs. Vitamin C - Which Is Right For You?

Vitamin C and glycolic acid are both effective skin brighteners, but they work differently. Glycolic acid, an alpha hydroxy acid (AHA), exfoliates the skin, removing dead cells and revealing a brighter complexion. Vitamin C, with its strong antioxidant properties helps neutralize free radicals and stimulate collagen production, thus leading to a more even skin tone.

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ectoin vs niacinamide

Ectoin Vs. Niacinamide - Which Is Right For You?

Both ectoin and niacinamide support the skin barrier - though they work differently to do so. Ectoin supports the skin barrier by binding moisture to the skin and creating a film on the skin that prevents water loss. Niacinamide helps to facilitate the production of ceramides and elastin, two critical parts of the skin barrier; it helps support the skin's natural shield.

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urea vs glycolic acid for skin

Urea Vs. Glycolic Acid - Which Is Right For You?

Exfoliating is key to boosting your skin’s natural cell renewal, leaving you with a smoother, brighter complexion. By clearing away dead skin cells, it helps unclog pores, prevents dirt and oil buildup, and makes your other skincare products work even better. But with popular exfoliants like glycolic acid and urea on the market, how do you know which one is right for you?

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glycerin vs hyaluronic acid for skin

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

While both glycerin and hyaluronic acid are excellent humectants with diverse applications, glycerin's smaller molecular size enables it to reach a bit further into the stratum corneum via aquaporins. This, combined with its molecular structure, allows glycerin to remain within the skin for a longer duration compared to water, which evaporates more readily.

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solar shade chemical sunscreen texture

Everything to Know About Solar Shade Sunscreen Broad Spectrum SPF 46 PA++++

Solar Shade Sunscreen includes bioactives such as microalgae, ethyl ferulate, and rice phytomolecules that each provide unique support to skin exposed to solar radiation. Ethyl Ferulate, a derivative of ferulic acid, neutralizes the signs of external aggressors while soothing the skin. Antioxidant molecules extracted from black, red, and brown rice increase the skin’s tolerance and defense against oxidative stress caused by solar radiation and pollution. Microalgae rich in β-carotene and astaxanthin help reduce formation of reactive oxygen species that are known to accelerate photoaging.

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organic uv filters in skincare

Organic UV Filters in Skincare

Organic UV Filters, often referred to as chemical filters, are sunscreen actives that contain carbon atoms, hence the "organic" origin. They are divided into UVA and UVB filters depending on the wavelength they absorb.

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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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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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