Phenoxyethanol is a preservative that prevents bacteria, yeast, and mold from growing in skincare products, helping them stay fresh and safe to use. It has been used safely in cosmetics for decades and is effective at very low concentrations.
Benefits
Prevents microbial contamination and product spoilage
Broad-spectrum antimicrobial activity against bacteria and yeast
Minimal impact on beneficial skin bacteria when used at approved levels
Potential concerns
Rare allergic contact dermatitis in sensitive individuals
May cause irritation if used in products at concentrations above 1%
Science: The European Scientific Committee on Consumer Safety considers phenoxyethanol safe for all consumers, including children, at concentrations up to 1%. Adverse effects observed in animal studies required exposure levels approximately 200 times higher than those in cosmetic products, and it is classified as one of the most well-tolerated preservatives in cosmetics.
Ethylhexylglycerin is a preservative and antimicrobial ingredient used to prevent bacterial growth and extend shelf life in skincare products. It's a multifunctional ingredient that helps keep formulations stable and free from contamination.
Benefits
Prevents bacterial contamination in products
Helps extend product shelf life
Works synergistically with other preservatives for enhanced protection
Potential concerns
May not be effective against all bacterial species (notably some Pseudomonas aeruginosa strains)
Preservative-related sensitization possible in sensitive individuals, though uncommon
Science: Research shows ethylhexylglycerin has broad antimicrobial activity against many common cosmetic contaminants, though effectiveness varies by bacterial species. Studies demonstrate it can work synergistically with other preservative components to enhance biofilm inhibition.
Sodium Cocoyl Glutamate is a gentle, plant-derived cleanser made from coconut oil and the amino acid glutamate. It removes dirt and oil from skin while maintaining a mild pH, making it suitable for sensitive skin types.
Benefits
Gentle cleansing action
Mild and non-stripping
Suitable for sensitive or reactive skin
Science: Limited peer-reviewed data available for this ingredient. As an amino acid-derived surfactant, it belongs to a class of mild cleansers generally recognized as safe by regulatory bodies and well-tolerated in cosmetic formulations.
Allantoin is a naturally derived compound that helps calm and soothe irritated skin. It works by promoting healing and reducing inflammation, making it a popular choice in products designed for sensitive or reactive skin.
Benefits
Reduces skin inflammation and irritation
Supports the skin barrier function
Promotes gentle healing of compromised skin
Well-tolerated by sensitive skin types
Science: Allantoin ranks among the top three most-used active ingredients in pharmacy-grade sensitive skin products, alongside niacinamide and oat extract. Scientific evidence supports its anti-inflammatory mechanism and barrier-supporting action, though clinical studies specifically testing it on sensitive skin volunteers remain limited.
Coco-Glucoside is a gentle, plant-derived cleanser made from coconut oil and glucose. It works by loosening and removing oil-based dirt and makeup from your skin without stripping away natural moisture.
Benefits
Effective at removing oils and makeup at lower concentrations than harsher cleansers
Gentle, non-ionic cleanser suitable for everyday use
Works well when combined with other cleansing ingredients to boost effectiveness
Potential concerns
Known contact allergen — can trigger allergic reactions in sensitive individuals and those with atopic skin
Higher prevalence in products marketed as 'hypoallergenic' or 'for sensitive skin' despite being a recognized irritant for some people
May cause allergic contact dermatitis, particularly in rinse-off products like cleansers and shampoos
Science: Recent research confirms coco-glucoside is an effective cleanser, particularly at removing oil-based soils, and performs best in low concentrations. However, it is classified as a known contact allergen and is surprisingly common in products marketed for sensitive skin, despite evidence that atopic and sensitive-skin individuals are most susceptible to glucoside-induced allergic reactions.
This is a liquid extract made by fermenting daikon radish with Leuconostoc bacteria. It functions primarily as a natural preservative in skincare products, helping prevent bacterial and microbial growth to extend shelf life.
Benefits
Natural preservative that helps prevent bacterial contamination
May have mild antimicrobial properties on skin
Derived from fermented ingredients, appealing to 'clean beauty' preferences
Potential concerns
Salicylic acid content may cause irritation or dryness in sensitive skin
Potential allergic reactions in individuals sensitive to radish or fermentation byproducts
Limited safety data at typical cosmetic concentrations
Science: Research shows this ingredient's antimicrobial activity comes from salicylic acid (active against Gram-negative bacteria) and didecyldimethylammonium salts (active against Gram-positive bacteria), rather than from fermentation-produced compounds as traditionally claimed. However, peer-reviewed data on its safety and efficacy specifically in skincare formulations at cosmetic use levels is limited.
Rice extract is a plant-derived ingredient made from rice bran, rice water, or whole rice that contains proteins, vitamins, and antioxidants. It's used in skincare for its potential to soothe, brighten, and gently condition the skin.
Benefits
May help soothe and calm irritated skin
Contains antioxidants that could protect against environmental stress
Traditionally used for gentle skin brightening and evening tone
Science: Limited peer-reviewed data available for this ingredient. Rice and rice bran have been used traditionally in skincare for centuries, particularly in Asian beauty practices, but modern clinical studies supporting specific efficacy claims are minimal.
This is a fermented ingredient created by combining Saccharomyces (a type of yeast), Xylinum (a bacteria), and black tea through a fermentation process. Fermented ingredients are thought to contain beneficial compounds like antioxidants and amino acids that may help improve skin texture and provide anti-aging benefits.
Benefits
Antioxidant protection from black tea fermentation byproducts
Potential skin-smoothing and texture-improving effects
May support skin barrier function through fermentation-derived compounds
Potential concerns
Risk of contamination or inconsistent safety if fermentation process is not well-controlled
Potential for irritation in sensitive skin due to fermentation byproducts
May trigger reactions in individuals sensitive to yeast or fermented ingredients
Science: Limited peer-reviewed data available for this specific fermented ingredient combination. General fermentation research suggests potential benefits from increased bioactive compounds, but rigorous safety and efficacy testing for this particular formulation is not well-documented in scientific literature.
Hydroxypropyl Starch Phosphate is a modified starch ingredient derived from plant sources. In skincare products, it acts as a thickening agent to improve texture and consistency, helping products feel smooth and easy to apply.
Benefits
Thickens and improves product texture
Creates a smooth, spreadable consistency
Plant-derived ingredient
Science: The Cosmetic Ingredient Review Expert Panel assessed Hydroxypropyl Starch Phosphate and concluded it is safe for use in cosmetics at typical concentrations. No significant safety concerns have been identified in cosmetic applications.
