L'Oréal Infallible Super Slim Liquid Eyeliner vs Kevyn Aucoin The Precision Liquid Liner

While both the L'Oréal Infallible Super Slim Liquid Eyeliner and Kevyn Aucoin The Precision Liquid Liner offer hydrating properties and a precise application, they differ in their ingredient compositions. L'Oréal's formula includes additional ingredients such as Methylpropanediol and PPG-70 Tocophereth-100, which may enhance the product's performance but also introduce potential sensitivities. The Kevyn Aucoin liner, on the other hand, has a more streamlined formula. Both products carry a potential irritant risk, so users should consider their skin's tolerance. Price-wise, L'Oréal's offering is generally more accessible, making it a viable option for those looking for quality without a premium investment.

Match
85%
Price
$10.99
Category
Makeup
Type
Eyeliner
Ingredients
21 ingredients
Buy
Match
85%
Price
$37.00
Category
Makeup
Type
Eyeliner
Ingredients
12 ingredients
Buy

What's inside

What's inside

Key ingredients

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Key ingredients

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Benefits

Benefits

Concerns

Concerns

Ingredients Explained

Water

Solvent · Shared

Aqua, commonly known as water, serves primarily as a solvent in cosmetic formulations. It is the most abundant ingredient in many products and is essential for dissolving other ingredients, facilitating their application and absorption on the skin. Formulators often add Aqua to create a suitable texture and consistency, ensuring that products are easy to spread and apply. Additionally, water can help to hydrate the skin, making it a vital component in many moisturizing formulations.

COCO-GLUCOSIDE

Cleansing Agent, Foaming Agent, Cleansing Surfactant · Shared

COCO-GLUCOSIDE is a mild surfactant derived from coconut oil and fruit sugars. It is commonly used in cosmetic formulations for its cleansing and foaming properties, making it effective in removing dirt and oils from the skin and hair. Formulators may add COCO-GLUCOSIDE to enhance the overall texture and sensory experience of a product, as it creates a rich lather while being gentle on the skin. Its natural origin and biodegradability also make it a popular choice for those seeking eco-friendly ingredients.

Phenoxyethanol

Antimicrobial, Preservative · Shared

Phenoxyethanol is a widely used cosmetic ingredient recognized for its role as a preservative. It helps to prevent the growth of bacteria, mold, and yeast in cosmetic formulations, thereby extending the shelf life of products and ensuring their safety for consumers. Formulators may add Phenoxyethanol to protect the integrity of the product and maintain its effectiveness over time, especially in water-based formulations where microbial growth is a concern.

Butylene Glycol

Humectant, Fragrance, Skin Conditioner, Solvent, Viscosity Controller · Shared

Butylene Glycol is a versatile ingredient commonly used in cosmetic formulations as a solvent and humectant. As a solvent, it helps to dissolve other ingredients, ensuring a uniform distribution and enhancing the overall texture of the product. Its humectant properties allow it to attract moisture from the environment into the skin, contributing to hydration and improving the skin's moisture retention. Formulators may add Butylene Glycol to enhance the sensory experience of a product, improve its stability, and boost the efficacy of other active ingredients.

Potassium Sorbate

Fragrance, Preservative · Shared

Potassium Sorbate is a widely used preservative in cosmetics and personal care products. It helps to inhibit the growth of mold, yeast, and bacteria, thereby extending the shelf life of formulations. Formulators often add Potassium Sorbate to ensure the stability and safety of their products, particularly those that contain water, as these are more susceptible to microbial contamination. Its effectiveness and relatively low toxicity make it a popular choice in a variety of cosmetic applications.

Citric Acid

Buffering Agent, Chelating Agent, Fragrance, Exfoliant, Active Ingredient, pH Adjuster · Shared

Citric Acid is an organic acid commonly found in citrus fruits and is widely used in cosmetic formulations for its multifunctional properties. As an exfoliant, it helps to remove dead skin cells, promoting a smoother and more radiant complexion. Additionally, it serves as a pH adjuster, ensuring that products maintain an optimal acidity level for skin compatibility. Formulators may add Citric Acid to enhance the overall efficacy of a product and to improve its stability. However, it is important to note that it can be a potential irritant for some individuals, necessitating careful consideration in formulation.